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| author | deepakjadmin |
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| date | Wed, 20 Jan 2016 09:23:18 -0500 |
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| 1 <html> | |
| 2 <head> | |
| 3 <title>MayaChemTools:Code:Fingerprints::TopologicalAtomTorsionsFingerprints.pm</title> | |
| 4 <meta http-equiv="content-type" content="text/html;charset=utf-8"> | |
| 5 <link rel="stylesheet" type="text/css" href="../../../css/MayaChemToolsCode.css"> | |
| 6 </head> | |
| 7 <body leftmargin="20" rightmargin="20" topmargin="10" bottommargin="10"> | |
| 8 <br/> | |
| 9 <center> | |
| 10 <a href="http://www.mayachemtools.org" title="MayaChemTools Home"><img src="../../../images/MayaChemToolsLogo.gif" border="0" alt="MayaChemTools"></a> | |
| 11 </center> | |
| 12 <br/> | |
| 13 <pre> | |
| 14 <a name="package-Fingerprints::TopologicalAtomTorsionsFingerprints-"></a> 1 <span class="k">package </span><span class="i">Fingerprints::TopologicalAtomTorsionsFingerprints</span><span class="sc">;</span> | |
| 15 2 <span class="c">#</span> | |
| 16 3 <span class="c"># $RCSfile: TopologicalAtomTorsionsFingerprints.pm,v $</span> | |
| 17 4 <span class="c"># $Date: 2015/02/28 20:48:54 $</span> | |
| 18 5 <span class="c"># $Revision: 1.26 $</span> | |
| 19 6 <span class="c">#</span> | |
| 20 7 <span class="c"># Author: Manish Sud <msud@san.rr.com></span> | |
| 21 8 <span class="c">#</span> | |
| 22 9 <span class="c"># Copyright (C) 2015 Manish Sud. All rights reserved.</span> | |
| 23 10 <span class="c">#</span> | |
| 24 11 <span class="c"># This file is part of MayaChemTools.</span> | |
| 25 12 <span class="c">#</span> | |
| 26 13 <span class="c"># MayaChemTools is free software; you can redistribute it and/or modify it under</span> | |
| 27 14 <span class="c"># the terms of the GNU Lesser General Public License as published by the Free</span> | |
| 28 15 <span class="c"># Software Foundation; either version 3 of the License, or (at your option) any</span> | |
| 29 16 <span class="c"># later version.</span> | |
| 30 17 <span class="c">#</span> | |
| 31 18 <span class="c"># MayaChemTools is distributed in the hope that it will be useful, but without</span> | |
| 32 19 <span class="c"># any warranty; without even the implied warranty of merchantability of fitness</span> | |
| 33 20 <span class="c"># for a particular purpose. See the GNU Lesser General Public License for more</span> | |
| 34 21 <span class="c"># details.</span> | |
| 35 22 <span class="c">#</span> | |
| 36 23 <span class="c"># You should have received a copy of the GNU Lesser General Public License</span> | |
| 37 24 <span class="c"># along with MayaChemTools; if not, see <http://www.gnu.org/licenses/> or</span> | |
| 38 25 <span class="c"># write to the Free Software Foundation Inc., 59 Temple Place, Suite 330,</span> | |
| 39 26 <span class="c"># Boston, MA, 02111-1307, USA.</span> | |
| 40 27 <span class="c">#</span> | |
| 41 28 | |
| 42 29 <span class="k">use</span> <span class="w">strict</span><span class="sc">;</span> | |
| 43 30 <span class="k">use</span> <span class="w">Carp</span><span class="sc">;</span> | |
| 44 31 <span class="k">use</span> <span class="w">Exporter</span><span class="sc">;</span> | |
| 45 32 <span class="k">use</span> <span class="w">Fingerprints::Fingerprints</span><span class="sc">;</span> | |
| 46 33 <span class="k">use</span> <span class="w">TextUtil</span> <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 47 34 <span class="k">use</span> <span class="w">Molecule</span><span class="sc">;</span> | |
| 48 35 <span class="k">use</span> <span class="w">AtomTypes::AtomicInvariantsAtomTypes</span><span class="sc">;</span> | |
| 49 36 <span class="k">use</span> <span class="w">AtomTypes::DREIDINGAtomTypes</span><span class="sc">;</span> | |
| 50 37 <span class="k">use</span> <span class="w">AtomTypes::EStateAtomTypes</span><span class="sc">;</span> | |
| 51 38 <span class="k">use</span> <span class="w">AtomTypes::FunctionalClassAtomTypes</span><span class="sc">;</span> | |
| 52 39 <span class="k">use</span> <span class="w">AtomTypes::MMFF94AtomTypes</span><span class="sc">;</span> | |
| 53 40 <span class="k">use</span> <span class="w">AtomTypes::SLogPAtomTypes</span><span class="sc">;</span> | |
| 54 41 <span class="k">use</span> <span class="w">AtomTypes::SYBYLAtomTypes</span><span class="sc">;</span> | |
| 55 42 <span class="k">use</span> <span class="w">AtomTypes::TPSAAtomTypes</span><span class="sc">;</span> | |
| 56 43 <span class="k">use</span> <span class="w">AtomTypes::UFFAtomTypes</span><span class="sc">;</span> | |
| 57 44 | |
| 58 45 <span class="k">use</span> <span class="w">vars</span> <span class="q">qw(@ISA @EXPORT @EXPORT_OK %EXPORT_TAGS)</span><span class="sc">;</span> | |
| 59 46 | |
| 60 47 <span class="i">@ISA</span> = <span class="q">qw(Fingerprints::Fingerprints Exporter)</span><span class="sc">;</span> | |
| 61 48 <span class="i">@EXPORT</span> = <span class="q">qw()</span><span class="sc">;</span> | |
| 62 49 <span class="i">@EXPORT_OK</span> = <span class="q">qw()</span><span class="sc">;</span> | |
| 63 50 | |
| 64 51 <span class="i">%EXPORT_TAGS</span> = <span class="s">(</span><span class="w">all</span> <span class="cm">=></span> <span class="s">[</span><span class="i">@EXPORT</span><span class="cm">,</span> <span class="i">@EXPORT_OK</span><span class="s">]</span><span class="s">)</span><span class="sc">;</span> | |
| 65 52 | |
| 66 53 <span class="c"># Setup class variables...</span> | |
| 67 54 <span class="k">my</span><span class="s">(</span><span class="i">$ClassName</span><span class="s">)</span><span class="sc">;</span> | |
| 68 55 <span class="i">_InitializeClass</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 69 56 | |
| 70 57 <span class="c"># Overload Perl functions...</span> | |
| 71 58 <span class="k">use</span> <span class="w">overload</span> <span class="q">'""'</span> <span class="cm">=></span> <span class="q">'StringifyTopologicalAtomTorsionsFingerprints'</span><span class="sc">;</span> | |
| 72 59 | |
| 73 60 <span class="c"># Class constructor...</span> | |
| 74 <a name="new-"></a> 61 <span class="k">sub </span><span class="m">new</span> <span class="s">{</span> | |
| 75 62 <span class="k">my</span><span class="s">(</span><span class="i">$Class</span><span class="cm">,</span> <span class="i">%NamesAndValues</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 76 63 | |
| 77 64 <span class="c"># Initialize object...</span> | |
| 78 65 <span class="k">my</span> <span class="i">$This</span> = <span class="i">$Class</span><span class="i">->SUPER::new</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 79 66 <span class="k">bless</span> <span class="i">$This</span><span class="cm">,</span> <span class="k">ref</span><span class="s">(</span><span class="i">$Class</span><span class="s">)</span> || <span class="i">$Class</span><span class="sc">;</span> | |
| 80 67 <span class="i">$This</span><span class="i">->_InitializeTopologicalAtomTorsionsFingerprints</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 81 68 | |
| 82 69 <span class="i">$This</span><span class="i">->_InitializeTopologicalAtomTorsionsFingerprintsProperties</span><span class="s">(</span><span class="i">%NamesAndValues</span><span class="s">)</span><span class="sc">;</span> | |
| 83 70 | |
| 84 71 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 85 72 <span class="s">}</span> | |
| 86 73 | |
| 87 74 <span class="c"># Initialize object data...</span> | |
| 88 75 <span class="c">#</span> | |
| 89 <a name="_InitializeTopologicalAtomTorsionsFingerprints-"></a> 76 <span class="k">sub </span><span class="m">_InitializeTopologicalAtomTorsionsFingerprints</span> <span class="s">{</span> | |
| 90 77 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 91 78 | |
| 92 79 <span class="c"># Type of fingerprint...</span> | |
| 93 80 <span class="i">$This</span>->{<span class="w">Type</span>} = <span class="q">'TopologicalAtomTorsions'</span><span class="sc">;</span> | |
| 94 81 | |
| 95 82 <span class="c"># Type of vector...</span> | |
| 96 83 <span class="i">$This</span>->{<span class="w">VectorType</span>} = <span class="q">'FingerprintsVector'</span><span class="sc">;</span> | |
| 97 84 | |
| 98 85 <span class="c"># Type of FingerprintsVector...</span> | |
| 99 86 <span class="i">$This</span>->{<span class="w">FingerprintsVectorType</span>} = <span class="q">'NumericalValues'</span><span class="sc">;</span> | |
| 100 87 | |
| 101 88 <span class="c"># Atom identifier type to use for atom IDs in atom torsions...</span> | |
| 102 89 <span class="c">#</span> | |
| 103 90 <span class="c"># Currently supported values are: AtomicInvariantsAtomTypes, DREIDINGAtomTypes,</span> | |
| 104 91 <span class="c"># EStateAtomTypes, FunctionalClassAtomTypes, MMFF94AtomTypes, SLogPAtomTypes,</span> | |
| 105 92 <span class="c"># SYBYLAtomTypes, TPSAAtomTypes, UFFAtomTypes</span> | |
| 106 93 <span class="c">#</span> | |
| 107 94 <span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} = <span class="q">''</span><span class="sc">;</span> | |
| 108 95 | |
| 109 96 <span class="c"># Atom types assigned to each heavy atom...</span> | |
| 110 97 <span class="c">#</span> | |
| 111 98 <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">AssignedAtomTypes</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 112 99 | |
| 113 100 <span class="c"># Final unique atom torsions...</span> | |
| 114 101 <span class="c">#</span> | |
| 115 102 <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">AtomTorsionsIDs</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 116 103 <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">AtomTorsionsCount</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 117 104 <span class="s">}</span> | |
| 118 105 | |
| 119 106 <span class="c"># Initialize class ...</span> | |
| 120 <a name="_InitializeClass-"></a> 107 <span class="k">sub </span><span class="m">_InitializeClass</span> <span class="s">{</span> | |
| 121 108 <span class="c">#Class name...</span> | |
| 122 109 <span class="i">$ClassName</span> = <span class="w">__PACKAGE__</span><span class="sc">;</span> | |
| 123 110 <span class="s">}</span> | |
| 124 111 | |
| 125 112 <span class="c"># Initialize object properties....</span> | |
| 126 <a name="_InitializeTopologicalAtomTorsionsFingerprintsProperties-"></a> 113 <span class="k">sub </span><span class="m">_InitializeTopologicalAtomTorsionsFingerprintsProperties</span> <span class="s">{</span> | |
| 127 114 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">%NamesAndValues</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 128 115 | |
| 129 116 <span class="k">my</span><span class="s">(</span><span class="i">$Name</span><span class="cm">,</span> <span class="i">$Value</span><span class="cm">,</span> <span class="i">$MethodName</span><span class="s">)</span><span class="sc">;</span> | |
| 130 117 <span class="k">while</span> <span class="s">(</span><span class="s">(</span><span class="i">$Name</span><span class="cm">,</span> <span class="i">$Value</span><span class="s">)</span> = <span class="k">each</span> <span class="i">%NamesAndValues</span><span class="s">)</span> <span class="s">{</span> | |
| 131 118 <span class="i">$MethodName</span> = <span class="q">"Set${Name}"</span><span class="sc">;</span> | |
| 132 119 <span class="i">$This</span><span class="i">->$MethodName</span><span class="s">(</span><span class="i">$Value</span><span class="s">)</span><span class="sc">;</span> | |
| 133 120 <span class="s">}</span> | |
| 134 121 | |
| 135 122 <span class="c"># Make sure molecule object was specified...</span> | |
| 136 123 <span class="k">if</span> <span class="s">(</span>!<span class="k">exists</span> <span class="i">$NamesAndValues</span>{<span class="w">Molecule</span>}<span class="s">)</span> <span class="s">{</span> | |
| 137 124 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->New: Object can't be instantiated without specifying molecule..."</span><span class="sc">;</span> | |
| 138 125 <span class="s">}</span> | |
| 139 126 <span class="k">if</span> <span class="s">(</span>!<span class="k">exists</span> <span class="i">$NamesAndValues</span>{<span class="w">AtomIdentifierType</span>}<span class="s">)</span> <span class="s">{</span> | |
| 140 127 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->New: Object can't be instantiated without specifying AtomIdentifierType..."</span><span class="sc">;</span> | |
| 141 128 <span class="s">}</span> | |
| 142 129 | |
| 143 130 <span class="i">$This</span><span class="i">->_InitializeFingerprintsVector</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 144 131 | |
| 145 132 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 146 133 <span class="s">}</span> | |
| 147 134 | |
| 148 135 <span class="c"># Set atom identifier type..</span> | |
| 149 136 <span class="c">#</span> | |
| 150 <a name="SetAtomIdentifierType-"></a> 137 <span class="k">sub </span><span class="m">SetAtomIdentifierType</span> <span class="s">{</span> | |
| 151 138 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$IdentifierType</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 152 139 | |
| 153 140 <span class="k">if</span> <span class="s">(</span><span class="i">$IdentifierType</span> !~ <span class="q">/^(AtomicInvariantsAtomTypes|DREIDINGAtomTypes|EStateAtomTypes|FunctionalClassAtomTypes|MMFF94AtomTypes|SLogPAtomTypes|SYBYLAtomTypes|TPSAAtomTypes|UFFAtomTypes)$/i</span><span class="s">)</span> <span class="s">{</span> | |
| 154 141 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->SetAtomIdentifierType: Specified value, $IdentifierType, for AtomIdentifierType is not vaild. Supported types in current release of MayaChemTools: AtomicInvariantsAtomTypes, DREIDINGAtomTypes, EStateAtomTypes, FunctionalClassAtomTypes, MMFF94AtomTypes, SLogPAtomTypes, SYBYLAtomTypes, TPSAAtomTypes, and UFFAtomTypes."</span><span class="sc">;</span> | |
| 155 142 <span class="s">}</span> | |
| 156 143 | |
| 157 144 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>}<span class="s">)</span> <span class="s">{</span> | |
| 158 145 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->SeAtomIdentifierType: Can't change intial atom identifier type: It's already set..."</span><span class="sc">;</span> | |
| 159 146 <span class="s">}</span> | |
| 160 147 | |
| 161 148 <span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} = <span class="i">$IdentifierType</span><span class="sc">;</span> | |
| 162 149 | |
| 163 150 <span class="c"># Initialize atom identifier type information...</span> | |
| 164 151 <span class="i">$This</span><span class="i">->_InitializeAtomIdentifierTypeInformation</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 165 152 | |
| 166 153 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 167 154 <span class="s">}</span> | |
| 168 155 | |
| 169 156 <span class="c"># Generate fingerprints description...</span> | |
| 170 157 <span class="c">#</span> | |
| 171 <a name="GetDescription-"></a> 158 <span class="k">sub </span><span class="m">GetDescription</span> <span class="s">{</span> | |
| 172 159 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 173 160 | |
| 174 161 <span class="c"># Is description explicity set?</span> | |
| 175 162 <span class="k">if</span> <span class="s">(</span><span class="k">exists</span> <span class="i">$This</span>->{<span class="w">Description</span>}<span class="s">)</span> <span class="s">{</span> | |
| 176 163 <span class="k">return</span> <span class="i">$This</span>->{<span class="w">Description</span>}<span class="sc">;</span> | |
| 177 164 <span class="s">}</span> | |
| 178 165 | |
| 179 166 <span class="c"># Generate fingerprints description...</span> | |
| 180 167 | |
| 181 168 <span class="k">return</span> <span class="q">"$This->{Type}:$This->{AtomIdentifierType}"</span><span class="sc">;</span> | |
| 182 169 <span class="s">}</span> | |
| 183 170 | |
| 184 171 <span class="c"># Generate topological atom torsions [ Ref 58, Ref 72 ] fingerprints...</span> | |
| 185 172 <span class="c">#</span> | |
| 186 173 <span class="c"># Methodology:</span> | |
| 187 174 <span class="c"># . Assign atom types to all the atoms.</span> | |
| 188 175 <span class="c"># . Generate and count atom torsions.</span> | |
| 189 176 <span class="c">#</span> | |
| 190 177 <span class="c"># Notes:</span> | |
| 191 178 <span class="c"># . Hydrogen atoms are ignored during the fingerprint generation.</span> | |
| 192 179 <span class="c">#</span> | |
| 193 <a name="GenerateFingerprints-"></a> 180 <span class="k">sub </span><span class="m">GenerateFingerprints</span> <span class="s">{</span> | |
| 194 181 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 195 182 | |
| 196 183 <span class="c"># Cache appropriate molecule data...</span> | |
| 197 184 <span class="i">$This</span><span class="i">->_SetupMoleculeDataCache</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 198 185 | |
| 199 186 <span class="c"># Assign atom types to all heavy atoms...</span> | |
| 200 187 <span class="k">if</span> <span class="s">(</span>!<span class="i">$This</span><span class="i">->_AssignAtomTypes</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 201 188 <span class="w">carp</span> <span class="q">"Warning: ${ClassName}->GenerateFingerprints: $This->{AtomIdentifierType} fingerprints generation didn't succeed: Couldn't assign valid $This->{AtomIdentifierType} to all atoms..."</span><span class="sc">;</span> | |
| 202 189 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 203 190 <span class="s">}</span> | |
| 204 191 | |
| 205 192 <span class="c"># Count atom torsions...</span> | |
| 206 193 <span class="i">$This</span><span class="i">->_GenerateAndCountAtomTorsions</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 207 194 | |
| 208 195 <span class="c"># Set final fingerprints...</span> | |
| 209 196 <span class="i">$This</span><span class="i">->_SetFinalFingerprints</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 210 197 | |
| 211 198 <span class="c"># Clear cached molecule data...</span> | |
| 212 199 <span class="i">$This</span><span class="i">->_ClearMoleculeDataCache</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 213 200 | |
| 214 201 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 215 202 <span class="s">}</span> | |
| 216 203 | |
| 217 204 <span class="c"># Assign appropriate atom types to all heavy atoms...</span> | |
| 218 205 <span class="c">#</span> | |
| 219 <a name="_AssignAtomTypes-"></a> 206 <span class="k">sub </span><span class="m">_AssignAtomTypes</span> <span class="s">{</span> | |
| 220 207 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 221 208 <span class="k">my</span><span class="s">(</span><span class="i">$SpecifiedAtomTypes</span><span class="cm">,</span> <span class="i">$Atom</span><span class="cm">,</span> <span class="i">$AtomID</span><span class="cm">,</span> <span class="i">$IgnoreHydrogens</span><span class="s">)</span><span class="sc">;</span> | |
| 222 209 | |
| 223 210 <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">AssignedAtomTypes</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 224 211 <span class="i">$IgnoreHydrogens</span> = <span class="n">1</span><span class="sc">;</span> | |
| 225 212 | |
| 226 213 <span class="i">$SpecifiedAtomTypes</span> = <span class="k">undef</span><span class="sc">;</span> | |
| 227 214 | |
| 228 215 <span class="j">IDENTIFIERTYPE:</span> <span class="s">{</span> | |
| 229 216 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^AtomicInvariantsAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span> | |
| 230 217 <span class="i">$SpecifiedAtomTypes</span> = <span class="i">new</span> <span class="i">AtomTypes::AtomicInvariantsAtomTypes</span><span class="s">(</span><span class="q">'Molecule'</span> <span class="cm">=></span> <span class="i">$This</span>->{<span class="w">Molecule</span>}<span class="cm">,</span> <span class="q">'IgnoreHydrogens'</span> <span class="cm">=></span> <span class="i">$IgnoreHydrogens</span><span class="cm">,</span> <span class="q">'AtomicInvariantsToUse'</span> <span class="cm">=></span> <span class="i">$This</span>->{<span class="w">AtomicInvariantsToUse</span>}<span class="s">)</span><span class="sc">;</span> | |
| 231 218 <span class="k">last</span> <span class="j">IDENTIFIERTYPE</span><span class="sc">;</span> | |
| 232 219 <span class="s">}</span> | |
| 233 220 | |
| 234 221 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^DREIDINGAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span> | |
| 235 222 <span class="i">$SpecifiedAtomTypes</span> = <span class="i">new</span> <span class="i">AtomTypes::DREIDINGAtomTypes</span><span class="s">(</span><span class="q">'Molecule'</span> <span class="cm">=></span> <span class="i">$This</span>->{<span class="w">Molecule</span>}<span class="cm">,</span> <span class="q">'IgnoreHydrogens'</span> <span class="cm">=></span> <span class="i">$IgnoreHydrogens</span><span class="s">)</span><span class="sc">;</span> | |
| 236 223 <span class="k">last</span> <span class="j">IDENTIFIERTYPE</span><span class="sc">;</span> | |
| 237 224 <span class="s">}</span> | |
| 238 225 | |
| 239 226 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^EStateAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span> | |
| 240 227 <span class="i">$SpecifiedAtomTypes</span> = <span class="i">new</span> <span class="i">AtomTypes::EStateAtomTypes</span><span class="s">(</span><span class="q">'Molecule'</span> <span class="cm">=></span> <span class="i">$This</span>->{<span class="w">Molecule</span>}<span class="cm">,</span> <span class="q">'IgnoreHydrogens'</span> <span class="cm">=></span> <span class="i">$IgnoreHydrogens</span><span class="s">)</span><span class="sc">;</span> | |
| 241 228 <span class="k">last</span> <span class="j">IDENTIFIERTYPE</span><span class="sc">;</span> | |
| 242 229 <span class="s">}</span> | |
| 243 230 | |
| 244 231 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^FunctionalClassAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span> | |
| 245 232 <span class="i">$SpecifiedAtomTypes</span> = <span class="i">new</span> <span class="i">AtomTypes::FunctionalClassAtomTypes</span><span class="s">(</span><span class="q">'Molecule'</span> <span class="cm">=></span> <span class="i">$This</span>->{<span class="w">Molecule</span>}<span class="cm">,</span> <span class="q">'IgnoreHydrogens'</span> <span class="cm">=></span> <span class="i">$IgnoreHydrogens</span><span class="cm">,</span> <span class="q">'FunctionalClassesToUse'</span> <span class="cm">=></span> <span class="i">$This</span>->{<span class="w">FunctionalClassesToUse</span>}<span class="s">)</span><span class="sc">;</span> | |
| 246 233 <span class="k">last</span> <span class="j">IDENTIFIERTYPE</span><span class="sc">;</span> | |
| 247 234 <span class="s">}</span> | |
| 248 235 | |
| 249 236 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^MMFF94AtomTypes$/i</span><span class="s">)</span> <span class="s">{</span> | |
| 250 237 <span class="i">$SpecifiedAtomTypes</span> = <span class="i">new</span> <span class="i">AtomTypes::MMFF94AtomTypes</span><span class="s">(</span><span class="q">'Molecule'</span> <span class="cm">=></span> <span class="i">$This</span>->{<span class="w">Molecule</span>}<span class="cm">,</span> <span class="q">'IgnoreHydrogens'</span> <span class="cm">=></span> <span class="i">$IgnoreHydrogens</span><span class="s">)</span><span class="sc">;</span> | |
| 251 238 <span class="k">last</span> <span class="j">IDENTIFIERTYPE</span><span class="sc">;</span> | |
| 252 239 <span class="s">}</span> | |
| 253 240 | |
| 254 241 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^SLogPAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span> | |
| 255 242 <span class="i">$SpecifiedAtomTypes</span> = <span class="i">new</span> <span class="i">AtomTypes::SLogPAtomTypes</span><span class="s">(</span><span class="q">'Molecule'</span> <span class="cm">=></span> <span class="i">$This</span>->{<span class="w">Molecule</span>}<span class="cm">,</span> <span class="q">'IgnoreHydrogens'</span> <span class="cm">=></span> <span class="i">$IgnoreHydrogens</span><span class="s">)</span><span class="sc">;</span> | |
| 256 243 <span class="k">last</span> <span class="j">IDENTIFIERTYPE</span><span class="sc">;</span> | |
| 257 244 <span class="s">}</span> | |
| 258 245 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^SYBYLAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span> | |
| 259 246 <span class="i">$SpecifiedAtomTypes</span> = <span class="i">new</span> <span class="i">AtomTypes::SYBYLAtomTypes</span><span class="s">(</span><span class="q">'Molecule'</span> <span class="cm">=></span> <span class="i">$This</span>->{<span class="w">Molecule</span>}<span class="cm">,</span> <span class="q">'IgnoreHydrogens'</span> <span class="cm">=></span> <span class="i">$IgnoreHydrogens</span><span class="s">)</span><span class="sc">;</span> | |
| 260 247 <span class="k">last</span> <span class="j">IDENTIFIERTYPE</span><span class="sc">;</span> | |
| 261 248 <span class="s">}</span> | |
| 262 249 | |
| 263 250 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^TPSAAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span> | |
| 264 251 <span class="i">$SpecifiedAtomTypes</span> = <span class="i">new</span> <span class="i">AtomTypes::TPSAAtomTypes</span><span class="s">(</span><span class="q">'Molecule'</span> <span class="cm">=></span> <span class="i">$This</span>->{<span class="w">Molecule</span>}<span class="cm">,</span> <span class="q">'IgnorePhosphorus'</span> <span class="cm">=></span> <span class="n">0</span><span class="cm">,</span> <span class="q">'IgnoreSulfur'</span> <span class="cm">=></span> <span class="n">0</span><span class="s">)</span><span class="sc">;</span> | |
| 265 252 <span class="k">last</span> <span class="j">IDENTIFIERTYPE</span><span class="sc">;</span> | |
| 266 253 <span class="s">}</span> | |
| 267 254 | |
| 268 255 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^UFFAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span> | |
| 269 256 <span class="i">$SpecifiedAtomTypes</span> = <span class="i">new</span> <span class="i">AtomTypes::UFFAtomTypes</span><span class="s">(</span><span class="q">'Molecule'</span> <span class="cm">=></span> <span class="i">$This</span>->{<span class="w">Molecule</span>}<span class="cm">,</span> <span class="q">'IgnoreHydrogens'</span> <span class="cm">=></span> <span class="i">$IgnoreHydrogens</span><span class="s">)</span><span class="sc">;</span> | |
| 270 257 <span class="k">last</span> <span class="j">IDENTIFIERTYPE</span><span class="sc">;</span> | |
| 271 258 <span class="s">}</span> | |
| 272 259 | |
| 273 260 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->_AssignAtomTypes: Unknown atom indentifier type $This->{AtomIdentifierType}..."</span><span class="sc">;</span> | |
| 274 261 <span class="s">}</span> | |
| 275 262 | |
| 276 263 <span class="c"># Assign atom types...</span> | |
| 277 264 <span class="i">$SpecifiedAtomTypes</span><span class="i">->AssignAtomTypes</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 278 265 | |
| 279 266 <span class="c"># Make sure atom types assignment is successful...</span> | |
| 280 267 <span class="k">if</span> <span class="s">(</span>!<span class="i">$SpecifiedAtomTypes</span><span class="i">->IsAtomTypesAssignmentSuccessful</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 281 268 <span class="k">return</span> <span class="k">undef</span><span class="sc">;</span> | |
| 282 269 <span class="s">}</span> | |
| 283 270 | |
| 284 271 <span class="c"># Collect assigned atom types...</span> | |
| 285 272 <span class="j">ATOM:</span> <span class="k">for</span> <span class="i">$Atom</span> <span class="s">(</span><span class="i">@</span>{<span class="i">$This</span>->{<span class="w">Atoms</span>}}<span class="s">)</span> <span class="s">{</span> | |
| 286 273 <span class="k">if</span> <span class="s">(</span><span class="i">$Atom</span><span class="i">->IsHydrogen</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 287 274 <span class="k">next</span> <span class="j">ATOM</span><span class="sc">;</span> | |
| 288 275 <span class="s">}</span> | |
| 289 276 <span class="i">$AtomID</span> = <span class="i">$Atom</span><span class="i">->GetID</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 290 277 <span class="i">$This</span>->{<span class="w">AssignedAtomTypes</span>}{<span class="i">$AtomID</span>} = <span class="i">$SpecifiedAtomTypes</span><span class="i">->GetAtomType</span><span class="s">(</span><span class="i">$Atom</span><span class="s">)</span><span class="sc">;</span> | |
| 291 278 <span class="s">}</span> | |
| 292 279 | |
| 293 280 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 294 281 <span class="s">}</span> | |
| 295 282 | |
| 296 283 <span class="c"># Count atom torsions involving non-hydrogen atoms by going over the structurally</span> | |
| 297 284 <span class="c"># unique atom torsions...</span> | |
| 298 285 <span class="c">#</span> | |
| 299 <a name="_GenerateAndCountAtomTorsions-"></a> 286 <span class="k">sub </span><span class="m">_GenerateAndCountAtomTorsions</span> <span class="s">{</span> | |
| 300 287 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 301 288 <span class="k">my</span><span class="s">(</span><span class="i">$Atom1</span><span class="cm">,</span> <span class="i">$Atom2</span><span class="cm">,</span> <span class="i">$Atom3</span><span class="cm">,</span> <span class="i">$Atom4</span><span class="cm">,</span> <span class="i">$AtomID1</span><span class="cm">,</span> <span class="i">$AtomID2</span><span class="cm">,</span> <span class="i">$AtomID3</span><span class="cm">,</span> <span class="i">$AtomID4</span><span class="cm">,</span> <span class="i">$AtomTorsionID</span><span class="cm">,</span> <span class="i">@Atom1Neighbors</span><span class="cm">,</span> <span class="i">@Atom2Neighbors</span><span class="cm">,</span> <span class="i">@Atom3Neighbors</span><span class="s">)</span><span class="sc">;</span> | |
| 302 289 | |
| 303 290 <span class="c"># Setup a hash to track structurally unique atom torsions by atom IDs...</span> | |
| 304 291 <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">StructurallyUniqueAtomTorsions</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 305 292 | |
| 306 293 <span class="j">ATOM1:</span> <span class="k">for</span> <span class="i">$Atom1</span> <span class="s">(</span><span class="i">@</span>{<span class="i">$This</span>->{<span class="w">Atoms</span>}}<span class="s">)</span> <span class="s">{</span> | |
| 307 294 <span class="k">if</span> <span class="s">(</span><span class="i">$Atom1</span><span class="i">->IsHydrogen</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 308 295 <span class="k">next</span> <span class="j">ATOM1</span><span class="sc">;</span> | |
| 309 296 <span class="s">}</span> | |
| 310 297 <span class="i">$AtomID1</span> = <span class="i">$Atom1</span><span class="i">->GetID</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 311 298 <span class="c"># Go over Atom1 neighbors other than Atom1...</span> | |
| 312 299 <span class="i">@Atom1Neighbors</span> = <span class="i">$Atom1</span><span class="i">->GetNeighbors</span><span class="s">(</span><span class="i">$Atom1</span><span class="s">)</span><span class="sc">;</span> | |
| 313 300 <span class="j">ATOM2:</span> <span class="k">for</span> <span class="i">$Atom2</span> <span class="s">(</span><span class="i">@Atom1Neighbors</span><span class="s">)</span> <span class="s">{</span> | |
| 314 301 <span class="k">if</span> <span class="s">(</span><span class="i">$Atom2</span><span class="i">->IsHydrogen</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 315 302 <span class="k">next</span> <span class="j">ATOM2</span><span class="sc">;</span> | |
| 316 303 <span class="s">}</span> | |
| 317 304 <span class="i">$AtomID2</span> = <span class="i">$Atom2</span><span class="i">->GetID</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 318 305 <span class="c"># Go over Atom2 neighbors other than Atom1 and Atom2...</span> | |
| 319 306 <span class="i">@Atom2Neighbors</span> = <span class="i">$Atom2</span><span class="i">->GetNeighbors</span><span class="s">(</span><span class="i">$Atom1</span><span class="cm">,</span> <span class="i">$Atom2</span><span class="s">)</span><span class="sc">;</span> | |
| 320 307 <span class="j">ATOM3:</span> <span class="k">for</span> <span class="i">$Atom3</span> <span class="s">(</span><span class="i">@Atom2Neighbors</span><span class="s">)</span> <span class="s">{</span> | |
| 321 308 <span class="k">if</span> <span class="s">(</span><span class="i">$Atom3</span><span class="i">->IsHydrogen</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 322 309 <span class="k">next</span> <span class="j">ATOM3</span><span class="sc">;</span> | |
| 323 310 <span class="s">}</span> | |
| 324 311 <span class="i">$AtomID3</span> = <span class="i">$Atom3</span><span class="i">->GetID</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 325 312 <span class="i">@Atom3Neighbors</span> = <span class="i">$Atom3</span><span class="i">->GetNeighbors</span><span class="s">(</span><span class="i">$Atom1</span><span class="cm">,</span> <span class="i">$Atom2</span><span class="cm">,</span> <span class="i">$Atom3</span><span class="s">)</span><span class="sc">;</span> | |
| 326 313 <span class="c"># Go over Atom3 neighbors other than Atom1, Atom2 and Atom3...</span> | |
| 327 314 <span class="j">ATOM4:</span> <span class="k">for</span> <span class="i">$Atom4</span> <span class="s">(</span><span class="i">@Atom3Neighbors</span><span class="s">)</span> <span class="s">{</span> | |
| 328 315 <span class="k">if</span> <span class="s">(</span><span class="i">$Atom4</span><span class="i">->IsHydrogen</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 329 316 <span class="k">next</span> <span class="j">ATOM4</span><span class="sc">;</span> | |
| 330 317 <span class="s">}</span> | |
| 331 318 <span class="i">$AtomID4</span> = <span class="i">$Atom4</span><span class="i">->GetID</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 332 319 | |
| 333 320 <span class="c"># Is it a structurally unique torsion?</span> | |
| 334 321 <span class="k">if</span> <span class="s">(</span>!<span class="i">$This</span><span class="i">->_IsStructurallyUniqueTorsion</span><span class="s">(</span><span class="i">$AtomID1</span><span class="cm">,</span> <span class="i">$AtomID2</span><span class="cm">,</span> <span class="i">$AtomID3</span><span class="cm">,</span> <span class="i">$AtomID4</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 335 322 <span class="k">next</span> <span class="j">ATOM4</span><span class="sc">;</span> | |
| 336 323 <span class="s">}</span> | |
| 337 324 | |
| 338 325 <span class="c"># Track structurally unique torsions...</span> | |
| 339 326 <span class="i">$AtomTorsionID</span> = <span class="i">$This</span><span class="i">->_GetAtomTorsionID</span><span class="s">(</span><span class="i">$AtomID1</span><span class="cm">,</span> <span class="i">$AtomID2</span><span class="cm">,</span> <span class="i">$AtomID3</span><span class="cm">,</span> <span class="i">$AtomID4</span><span class="s">)</span><span class="sc">;</span> | |
| 340 327 <span class="k">if</span> <span class="s">(</span><span class="k">exists</span> <span class="i">$This</span>->{<span class="w">AtomTorsionsCount</span>}{<span class="i">$AtomTorsionID</span>}<span class="s">)</span> <span class="s">{</span> | |
| 341 328 <span class="i">$This</span>->{<span class="w">AtomTorsionsCount</span>}{<span class="i">$AtomTorsionID</span>} += <span class="n">1</span><span class="sc">;</span> | |
| 342 329 <span class="s">}</span> | |
| 343 330 <span class="k">else</span> <span class="s">{</span> | |
| 344 331 <span class="i">$This</span>->{<span class="w">AtomTorsionsCount</span>}{<span class="i">$AtomTorsionID</span>} = <span class="n">1</span><span class="sc">;</span> | |
| 345 332 <span class="s">}</span> | |
| 346 333 <span class="s">}</span> | |
| 347 334 <span class="s">}</span> | |
| 348 335 <span class="s">}</span> | |
| 349 336 <span class="s">}</span> | |
| 350 337 | |
| 351 338 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 352 339 <span class="s">}</span> | |
| 353 340 | |
| 354 341 <span class="c"># Is it a structurally unique torsions?</span> | |
| 355 342 <span class="c">#</span> | |
| 356 343 <span class="c"># Notes:</span> | |
| 357 344 <span class="c"># . For a torsion to be structurally unique which hasn't already been encountered,</span> | |
| 358 345 <span class="c"># all the four atoms involved in the torsion must be new atoms. And this can be</span> | |
| 359 346 <span class="c"># simply implemented by tracking the torsions using atom IDs and maintaining a</span> | |
| 360 347 <span class="c"># hash of already encountered torsions using lexicographically smaller torsion ID</span> | |
| 361 348 <span class="c"># consisting of four atom IDs.</span> | |
| 362 349 <span class="c">#</span> | |
| 363 <a name="_IsStructurallyUniqueTorsion-"></a> 350 <span class="k">sub </span><span class="m">_IsStructurallyUniqueTorsion</span> <span class="s">{</span> | |
| 364 351 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">@AtomIDs</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 365 352 <span class="k">my</span><span class="s">(</span><span class="i">$TorsionID</span><span class="cm">,</span> <span class="i">$ReverseTorsionID</span><span class="s">)</span><span class="sc">;</span> | |
| 366 353 | |
| 367 354 <span class="i">$TorsionID</span> = <span class="k">join</span> <span class="q">"-"</span><span class="cm">,</span> <span class="i">@AtomIDs</span><span class="sc">;</span> | |
| 368 355 <span class="i">$ReverseTorsionID</span> = <span class="k">join</span> <span class="q">"-"</span><span class="cm">,</span> <span class="k">reverse</span> <span class="i">@AtomIDs</span><span class="sc">;</span> | |
| 369 356 | |
| 370 357 <span class="c"># Use lexicographically smaller string...</span> | |
| 371 358 <span class="k">if</span> <span class="s">(</span><span class="i">$ReverseTorsionID</span> <span class="k">lt</span> <span class="i">$TorsionID</span><span class="s">)</span> <span class="s">{</span> | |
| 372 359 <span class="i">$TorsionID</span> = <span class="i">$ReverseTorsionID</span><span class="sc">;</span> | |
| 373 360 <span class="s">}</span> | |
| 374 361 | |
| 375 362 <span class="k">if</span> <span class="s">(</span><span class="k">exists</span> <span class="i">$This</span>->{<span class="w">StructurallyUniqueAtomTorsions</span>}{<span class="i">$TorsionID</span>}<span class="s">)</span> <span class="s">{</span> | |
| 376 363 <span class="k">return</span> <span class="n">0</span><span class="sc">;</span> | |
| 377 364 <span class="s">}</span> | |
| 378 365 | |
| 379 366 <span class="c"># Keep track...</span> | |
| 380 367 <span class="i">$This</span>->{<span class="w">StructurallyUniqueAtomTorsions</span>}{<span class="i">$TorsionID</span>} = <span class="n">1</span><span class="sc">;</span> | |
| 381 368 | |
| 382 369 <span class="k">return</span> <span class="n">1</span><span class="sc">;</span> | |
| 383 370 <span class="s">}</span> | |
| 384 371 | |
| 385 372 <span class="c"># Get atom torsion ID corresponding to atom types involved in torsion...</span> | |
| 386 373 <span class="c">#</span> | |
| 387 374 <span class="c"># Notes:</span> | |
| 388 375 <span class="c"># . TorsionID corresponds to assigned atom types of all the four torsion atoms</span> | |
| 389 376 <span class="c"># concatenated by hyphen.</span> | |
| 390 377 <span class="c"># . TorsionIDs are generated for both forward and backward sequence of atoms</span> | |
| 391 378 <span class="c"># in the torsion and keeping the lexicographically smaller TorsionID to keep TorsionID</span> | |
| 392 379 <span class="c"># independent of atom ordering.</span> | |
| 393 380 <span class="c">#</span> | |
| 394 <a name="_GetAtomTorsionID-"></a> 381 <span class="k">sub </span><span class="m">_GetAtomTorsionID</span> <span class="s">{</span> | |
| 395 382 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">@AtomIDs</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 396 383 <span class="k">my</span><span class="s">(</span><span class="i">$AtomTorsionID</span><span class="cm">,</span> <span class="i">$ReverseAtomTorsionID</span><span class="cm">,</span> <span class="i">@AtomTypes</span><span class="s">)</span><span class="sc">;</span> | |
| 397 384 | |
| 398 385 <span class="i">@AtomTypes</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 399 386 <span class="i">@AtomTypes</span> = <span class="k">map</span> <span class="s">{</span> <span class="i">$This</span>->{<span class="w">AssignedAtomTypes</span>}{<span class="i">$_</span>} <span class="s">}</span> <span class="i">@AtomIDs</span><span class="sc">;</span> | |
| 400 387 | |
| 401 388 <span class="i">$AtomTorsionID</span> = <span class="k">join</span> <span class="q">"-"</span><span class="cm">,</span> <span class="i">@AtomTypes</span><span class="sc">;</span> | |
| 402 389 <span class="i">$ReverseAtomTorsionID</span> = <span class="k">join</span> <span class="q">"-"</span><span class="cm">,</span> <span class="k">reverse</span> <span class="i">@AtomTypes</span><span class="sc">;</span> | |
| 403 390 | |
| 404 391 <span class="c"># Use lexicographically smaller string as ID...</span> | |
| 405 392 <span class="k">return</span> <span class="s">(</span><span class="i">$ReverseAtomTorsionID</span> <span class="k">lt</span> <span class="i">$AtomTorsionID</span><span class="s">)</span> ? <span class="i">$ReverseAtomTorsionID</span> <span class="co">:</span> <span class="i">$AtomTorsionID</span><span class="sc">;</span> | |
| 406 393 <span class="s">}</span> | |
| 407 394 | |
| 408 395 <span class="c"># Set final fingerpritns vector...</span> | |
| 409 396 <span class="c">#</span> | |
| 410 <a name="_SetFinalFingerprints-"></a> 397 <span class="k">sub </span><span class="m">_SetFinalFingerprints</span> <span class="s">{</span> | |
| 411 398 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 412 399 <span class="k">my</span><span class="s">(</span><span class="i">$AtomTorsionID</span><span class="cm">,</span> <span class="i">$Value</span><span class="cm">,</span> <span class="i">@Values</span><span class="s">)</span><span class="sc">;</span> | |
| 413 400 | |
| 414 401 <span class="c"># Mark successful generation of fingerprints...</span> | |
| 415 402 <span class="i">$This</span>->{<span class="w">FingerprintsGenerated</span>} = <span class="n">1</span><span class="sc">;</span> | |
| 416 403 | |
| 417 404 <span class="i">@Values</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 418 405 <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">AtomTorsionsIDs</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 419 406 | |
| 420 407 <span class="k">for</span> <span class="i">$AtomTorsionID</span> <span class="s">(</span><span class="k">sort</span> <span class="k">keys</span> <span class="i">%</span>{<span class="i">$This</span>->{<span class="w">AtomTorsionsCount</span>}}<span class="s">)</span> <span class="s">{</span> | |
| 421 408 <span class="i">$Value</span> = <span class="i">$This</span>->{<span class="w">AtomTorsionsCount</span>}{<span class="i">$AtomTorsionID</span>}<span class="sc">;</span> | |
| 422 409 <span class="k">push</span> <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">AtomTorsionsIDs</span>}}<span class="cm">,</span> <span class="i">$AtomTorsionID</span><span class="sc">;</span> | |
| 423 410 <span class="k">push</span> <span class="i">@Values</span><span class="cm">,</span> <span class="i">$Value</span><span class="sc">;</span> | |
| 424 411 <span class="s">}</span> | |
| 425 412 | |
| 426 413 <span class="c"># Add AtomPairsIDs and values to fingerprint vector...</span> | |
| 427 414 <span class="i">$This</span>->{<span class="w">FingerprintsVector</span>}<span class="i">->AddValueIDs</span><span class="s">(</span>\<span class="i">@</span>{<span class="i">$This</span>->{<span class="w">AtomTorsionsIDs</span>}}<span class="s">)</span><span class="sc">;</span> | |
| 428 415 <span class="i">$This</span>->{<span class="w">FingerprintsVector</span>}<span class="i">->AddValues</span><span class="s">(</span>\<span class="i">@Values</span><span class="s">)</span><span class="sc">;</span> | |
| 429 416 | |
| 430 417 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 431 418 <span class="s">}</span> | |
| 432 419 | |
| 433 420 <span class="c"># Get atom torsions IDs corresponding to atom torsions count values in fingerprint</span> | |
| 434 421 <span class="c"># vector as an array or reference to an array...</span> | |
| 435 422 <span class="c">#</span> | |
| 436 423 <span class="c"># AtomTorsionsIDs list differes in molecules and is generated during finalization</span> | |
| 437 424 <span class="c"># of fingerprints to make sure the fingerprint vector containing count values</span> | |
| 438 425 <span class="c"># matches the atom torsions array.</span> | |
| 439 426 <span class="c">#</span> | |
| 440 <a name="GetAtomTorsionsIDs-"></a> 427 <span class="k">sub </span><span class="m">GetAtomTorsionsIDs</span> <span class="s">{</span> | |
| 441 428 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 442 429 | |
| 443 430 <span class="k">return</span> <span class="k">wantarray</span> ? <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">AtomTorsionsIDs</span>}} <span class="co">:</span> \<span class="i">@</span>{<span class="i">$This</span>->{<span class="w">AtomTorsionsIDs</span>}}<span class="sc">;</span> | |
| 444 431 <span class="s">}</span> | |
| 445 432 | |
| 446 433 <span class="c"># Cache appropriate molecule data...</span> | |
| 447 434 <span class="c">#</span> | |
| 448 <a name="_SetupMoleculeDataCache-"></a> 435 <span class="k">sub </span><span class="m">_SetupMoleculeDataCache</span> <span class="s">{</span> | |
| 449 436 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 450 437 | |
| 451 438 <span class="c"># Get all atoms including hydrogens. The hydrogen atoms are ignored during processing...</span> | |
| 452 439 <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">Atoms</span>}} = <span class="i">$This</span><span class="i">->GetMolecule</span><span class="s">(</span><span class="s">)</span><span class="i">->GetAtoms</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 453 440 | |
| 454 441 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 455 442 <span class="s">}</span> | |
| 456 443 | |
| 457 444 <span class="c"># Clear cached molecule data...</span> | |
| 458 445 <span class="c">#</span> | |
| 459 <a name="_ClearMoleculeDataCache-"></a> 446 <span class="k">sub </span><span class="m">_ClearMoleculeDataCache</span> <span class="s">{</span> | |
| 460 447 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 461 448 | |
| 462 449 <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">Atoms</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 463 450 | |
| 464 451 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 465 452 <span class="s">}</span> | |
| 466 453 | |
| 467 454 <span class="c"># Set atomic invariants to use for atom identifiers...</span> | |
| 468 455 <span class="c">#</span> | |
| 469 <a name="SetAtomicInvariantsToUse-"></a> 456 <span class="k">sub </span><span class="m">SetAtomicInvariantsToUse</span> <span class="s">{</span> | |
| 470 457 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">@Values</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 471 458 <span class="k">my</span><span class="s">(</span><span class="i">$FirstValue</span><span class="cm">,</span> <span class="i">$TypeOfFirstValue</span><span class="cm">,</span> <span class="i">$AtomicInvariant</span><span class="cm">,</span> <span class="i">$SpecifiedAtomicInvariant</span><span class="cm">,</span> <span class="i">$AtomicInvariantValue</span><span class="cm">,</span> <span class="i">@SpecifiedAtomicInvariants</span><span class="cm">,</span> <span class="i">@AtomicInvariantsToUse</span><span class="s">)</span><span class="sc">;</span> | |
| 472 459 | |
| 473 460 <span class="k">if</span> <span class="s">(</span>!<span class="i">@Values</span><span class="s">)</span> <span class="s">{</span> | |
| 474 461 <span class="w">carp</span> <span class="q">"Warning: ${ClassName}->SetAtomicInvariantsToUse: No values specified..."</span><span class="sc">;</span> | |
| 475 462 <span class="k">return</span><span class="sc">;</span> | |
| 476 463 <span class="s">}</span> | |
| 477 464 | |
| 478 465 <span class="i">$FirstValue</span> = <span class="i">$Values</span>[<span class="n">0</span>]<span class="sc">;</span> | |
| 479 466 <span class="i">$TypeOfFirstValue</span> = <span class="k">ref</span> <span class="i">$FirstValue</span><span class="sc">;</span> | |
| 480 467 | |
| 481 468 <span class="i">@SpecifiedAtomicInvariants</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 482 469 <span class="i">@AtomicInvariantsToUse</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 483 470 | |
| 484 471 <span class="k">if</span> <span class="s">(</span><span class="i">$TypeOfFirstValue</span> =~ <span class="q">/^ARRAY/</span><span class="s">)</span> <span class="s">{</span> | |
| 485 472 <span class="k">push</span> <span class="i">@SpecifiedAtomicInvariants</span><span class="cm">,</span> <span class="i">@</span>{<span class="i">$FirstValue</span>}<span class="sc">;</span> | |
| 486 473 <span class="s">}</span> | |
| 487 474 <span class="k">else</span> <span class="s">{</span> | |
| 488 475 <span class="k">push</span> <span class="i">@SpecifiedAtomicInvariants</span><span class="cm">,</span> <span class="i">@Values</span><span class="sc">;</span> | |
| 489 476 <span class="s">}</span> | |
| 490 477 | |
| 491 478 <span class="c"># Make sure specified AtomicInvariants are valid...</span> | |
| 492 479 <span class="k">for</span> <span class="i">$SpecifiedAtomicInvariant</span> <span class="s">(</span><span class="i">@SpecifiedAtomicInvariants</span><span class="s">)</span> <span class="s">{</span> | |
| 493 480 <span class="k">if</span> <span class="s">(</span>!<span class="i">AtomTypes::AtomicInvariantsAtomTypes::IsAtomicInvariantAvailable</span><span class="s">(</span><span class="i">$SpecifiedAtomicInvariant</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 494 481 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->SetAtomicInvariantsToUse: Specified atomic invariant, $SpecifiedAtomicInvariant, is not supported...\n "</span><span class="sc">;</span> | |
| 495 482 <span class="s">}</span> | |
| 496 483 <span class="i">$AtomicInvariant</span> = <span class="i">$SpecifiedAtomicInvariant</span><span class="sc">;</span> | |
| 497 484 <span class="k">push</span> <span class="i">@AtomicInvariantsToUse</span><span class="cm">,</span> <span class="i">$AtomicInvariant</span><span class="sc">;</span> | |
| 498 485 <span class="s">}</span> | |
| 499 486 | |
| 500 487 <span class="c"># Set atomic invariants to use...</span> | |
| 501 488 <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">AtomicInvariantsToUse</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 502 489 <span class="k">push</span> <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">AtomicInvariantsToUse</span>}}<span class="cm">,</span> <span class="i">@AtomicInvariantsToUse</span><span class="sc">;</span> | |
| 503 490 | |
| 504 491 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 505 492 <span class="s">}</span> | |
| 506 493 | |
| 507 494 <span class="c"># Set functional classes to use for atom identifiers...</span> | |
| 508 495 <span class="c">#</span> | |
| 509 <a name="SetFunctionalClassesToUse-"></a> 496 <span class="k">sub </span><span class="m">SetFunctionalClassesToUse</span> <span class="s">{</span> | |
| 510 497 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">@Values</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 511 498 <span class="k">my</span><span class="s">(</span><span class="i">$FirstValue</span><span class="cm">,</span> <span class="i">$TypeOfFirstValue</span><span class="cm">,</span> <span class="i">$FunctionalClass</span><span class="cm">,</span> <span class="i">$SpecifiedFunctionalClass</span><span class="cm">,</span> <span class="i">@SpecifiedFunctionalClasses</span><span class="cm">,</span> <span class="i">@FunctionalClassesToUse</span><span class="s">)</span><span class="sc">;</span> | |
| 512 499 | |
| 513 500 <span class="k">if</span> <span class="s">(</span>!<span class="i">@Values</span><span class="s">)</span> <span class="s">{</span> | |
| 514 501 <span class="w">carp</span> <span class="q">"Warning: ${ClassName}->SetFunctionalClassesToUse: No values specified..."</span><span class="sc">;</span> | |
| 515 502 <span class="k">return</span><span class="sc">;</span> | |
| 516 503 <span class="s">}</span> | |
| 517 504 | |
| 518 505 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} !~ <span class="q">/^FunctionalClassAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span> | |
| 519 506 <span class="w">carp</span> <span class="q">"Warning: ${ClassName}->SetFunctionalClassesToUse: FunctionalClassesToUse can't be set for InitialAtomIdentifierType of $This->{AtomIdentifierType}..."</span><span class="sc">;</span> | |
| 520 507 <span class="k">return</span><span class="sc">;</span> | |
| 521 508 <span class="s">}</span> | |
| 522 509 | |
| 523 510 <span class="i">$FirstValue</span> = <span class="i">$Values</span>[<span class="n">0</span>]<span class="sc">;</span> | |
| 524 511 <span class="i">$TypeOfFirstValue</span> = <span class="k">ref</span> <span class="i">$FirstValue</span><span class="sc">;</span> | |
| 525 512 | |
| 526 513 <span class="i">@SpecifiedFunctionalClasses</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 527 514 <span class="i">@FunctionalClassesToUse</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 528 515 | |
| 529 516 <span class="k">if</span> <span class="s">(</span><span class="i">$TypeOfFirstValue</span> =~ <span class="q">/^ARRAY/</span><span class="s">)</span> <span class="s">{</span> | |
| 530 517 <span class="k">push</span> <span class="i">@SpecifiedFunctionalClasses</span><span class="cm">,</span> <span class="i">@</span>{<span class="i">$FirstValue</span>}<span class="sc">;</span> | |
| 531 518 <span class="s">}</span> | |
| 532 519 <span class="k">else</span> <span class="s">{</span> | |
| 533 520 <span class="k">push</span> <span class="i">@SpecifiedFunctionalClasses</span><span class="cm">,</span> <span class="i">@Values</span><span class="sc">;</span> | |
| 534 521 <span class="s">}</span> | |
| 535 522 | |
| 536 523 <span class="c"># Make sure specified FunctionalClasses are valid...</span> | |
| 537 524 <span class="k">for</span> <span class="i">$SpecifiedFunctionalClass</span> <span class="s">(</span><span class="i">@SpecifiedFunctionalClasses</span><span class="s">)</span> <span class="s">{</span> | |
| 538 525 <span class="k">if</span> <span class="s">(</span>!<span class="i">AtomTypes::FunctionalClassAtomTypes::IsFunctionalClassAvailable</span><span class="s">(</span><span class="i">$SpecifiedFunctionalClass</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 539 526 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->SetFunctionalClassesToUse: Specified functional class, $SpecifiedFunctionalClass, is not supported...\n "</span><span class="sc">;</span> | |
| 540 527 <span class="s">}</span> | |
| 541 528 <span class="k">push</span> <span class="i">@FunctionalClassesToUse</span><span class="cm">,</span> <span class="i">$SpecifiedFunctionalClass</span><span class="sc">;</span> | |
| 542 529 <span class="s">}</span> | |
| 543 530 | |
| 544 531 <span class="c"># Set functional classes to use...</span> | |
| 545 532 <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">FunctionalClassesToUse</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 546 533 <span class="k">push</span> <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">FunctionalClassesToUse</span>}}<span class="cm">,</span> <span class="i">@FunctionalClassesToUse</span><span class="sc">;</span> | |
| 547 534 | |
| 548 535 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 549 536 <span class="s">}</span> | |
| 550 537 | |
| 551 538 <span class="c"># Initialize atom indentifier type information...</span> | |
| 552 539 <span class="c">#</span> | |
| 553 540 <span class="c"># Current supported values:</span> | |
| 554 541 <span class="c">#</span> | |
| 555 542 <span class="c"># AtomicInvariantsAtomTypes, DREIDINGAtomTypes, EStateAtomTypes, FunctionalClassAtomTypes,</span> | |
| 556 543 <span class="c"># MMFF94AtomTypes, SLogPAtomTypes, SYBYLAtomTypes, TPSAAtomTypes, UFFAtomTypes</span> | |
| 557 544 <span class="c">#</span> | |
| 558 <a name="_InitializeAtomIdentifierTypeInformation-"></a> 545 <span class="k">sub </span><span class="m">_InitializeAtomIdentifierTypeInformation</span> <span class="s">{</span> | |
| 559 546 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 560 547 | |
| 561 548 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^AtomicInvariantsAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span> | |
| 562 549 <span class="i">$This</span><span class="i">->_InitializeAtomicInvariantsAtomTypesInformation</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 563 550 <span class="s">}</span> | |
| 564 551 <span class="k">elsif</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^FunctionalClassAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span> | |
| 565 552 <span class="i">$This</span><span class="i">->_InitializeFunctionalClassAtomTypesInformation</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 566 553 <span class="s">}</span> | |
| 567 554 <span class="k">elsif</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^(DREIDINGAtomTypes|EStateAtomTypes|MMFF94AtomTypes|SLogPAtomTypes|SYBYLAtomTypes|TPSAAtomTypes|UFFAtomTypes)$/i</span><span class="s">)</span> <span class="s">{</span> | |
| 568 555 <span class="c"># Nothing to do for now...</span> | |
| 569 556 <span class="s">}</span> | |
| 570 557 <span class="k">else</span> <span class="s">{</span> | |
| 571 558 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->_InitializeAtomIdentifierTypeInformation: Unknown atom indentifier type $This->{AtomIdentifierType}..."</span><span class="sc">;</span> | |
| 572 559 <span class="s">}</span> | |
| 573 560 | |
| 574 561 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 575 562 <span class="s">}</span> | |
| 576 563 | |
| 577 564 <span class="c"># Initialize atomic invariants to use for generating atom IDs in atom torsions...</span> | |
| 578 565 <span class="c">#</span> | |
| 579 566 <span class="c"># Let:</span> | |
| 580 567 <span class="c"># AS = Atom symbol corresponding to element symbol</span> | |
| 581 568 <span class="c">#</span> | |
| 582 569 <span class="c"># X<n> = Number of non-hydrogen atom neighbors or heavy atoms attached to atom</span> | |
| 583 570 <span class="c"># BO<n> = Sum of bond orders to non-hydrogen atom neighbors or heavy atoms attached to atom</span> | |
| 584 571 <span class="c"># LBO<n> = Largest bond order of non-hydrogen atom neighbors or heavy atoms attached to atom</span> | |
| 585 572 <span class="c"># SB<n> = Number of single bonds to non-hydrogen atom neighbors or heavy atoms attached to atom</span> | |
| 586 573 <span class="c"># DB<n> = Number of double bonds to non-hydrogen atom neighbors or heavy atoms attached to atom</span> | |
| 587 574 <span class="c"># TB<n> = Number of triple bonds to non-hydrogen atom neighbors or heavy atoms attached to atom</span> | |
| 588 575 <span class="c"># H<n> = Number of implicit and explicit hydrogens for atom</span> | |
| 589 576 <span class="c"># Ar = Aromatic annotation indicating whether atom is aromatic</span> | |
| 590 577 <span class="c"># RA = Ring atom annotation indicating whether atom is a ring</span> | |
| 591 578 <span class="c"># FC<+n/-n> = Formal charge assigned to atom</span> | |
| 592 579 <span class="c"># MN<n> = Mass number indicating isotope other than most abundant isotope</span> | |
| 593 580 <span class="c"># SM<n> = Spin multiplicity of atom. Possible values: 1 (singlet), 2 (doublet) or 3 (triplet)</span> | |
| 594 581 <span class="c">#</span> | |
| 595 582 <span class="c"># AtomTypeIDx = Atomic invariants atom type for atom x</span> | |
| 596 583 <span class="c"># AtomTypeIDy = Atomic invariants atom type for atom y</span> | |
| 597 584 <span class="c"># AtomTypeIDz = Atomic invariants atom type for atom z</span> | |
| 598 585 <span class="c"># AtomTypeIDw = Atomic invariants atom type for atom w</span> | |
| 599 586 <span class="c">#</span> | |
| 600 587 <span class="c"># Then:</span> | |
| 601 588 <span class="c">#</span> | |
| 602 589 <span class="c"># Atom torsion AtomID generated by AtomTypes::AtomicInvariantsAtomTypes class corresponds to:</span> | |
| 603 590 <span class="c">#</span> | |
| 604 591 <span class="c"># AS.X<n>.BO<n>.LBO<n>.<SB><n>.<DB><n>.<TB><n>.H<n>.Ar.RA.FC<+n/-n>.MN<n>.SM<n></span> | |
| 605 592 <span class="c">#</span> | |
| 606 593 <span class="c"># AtomTorsion ID corresponds to:</span> | |
| 607 594 <span class="c">#</span> | |
| 608 595 <span class="c"># AtomTypeIDx-AtomTypeIDy-AtomTypeIDz-AtomTypeIDw</span> | |
| 609 596 <span class="c">#</span> | |
| 610 597 <span class="c"># Except for AS which is a required atomic invariant in atom torsions AtomIDs, all other atomic invariants are</span> | |
| 611 598 <span class="c"># optional. Default atomic invariants used for AtomID are: AS, X<n>, BO<n>, H<n>, FC<+n/-n>.</span> | |
| 612 599 <span class="c"># AtomID specification doesn't include atomic invariants with zero or undefined values.</span> | |
| 613 600 <span class="c">#</span> | |
| 614 601 <span class="c"># Examples of atom torsion AtomIDs in Aspirin using default atomic invariants:</span> | |
| 615 602 <span class="c">#</span> | |
| 616 603 <span class="c"># C.X1.BO1.H3-C.X3.BO4-O.X2.BO2-C.X3.BO4</span> | |
| 617 604 <span class="c"># C.X2.BO3.H1-C.X2.BO3.H1-C.X2.BO3.H1-C.X2.BO3.H1</span> | |
| 618 605 <span class="c"># C.X3.BO4-C.X3.BO4-O.X2.BO2-C.X3.BO4</span> | |
| 619 606 <span class="c"># C.X3.BO4-O.X2.BO2-C.X3.BO4-O.X1.BO2</span> | |
| 620 607 <span class="c">#</span> | |
| 621 608 <span class="c"># Examples of atom torsion AtomIDs in Aspirin using AS, X and BO atomic invariants:</span> | |
| 622 609 <span class="c">#</span> | |
| 623 610 <span class="c"># C.X1.BO1-C.X3.BO4-O.X2.BO2-C.X3.BO4</span> | |
| 624 611 <span class="c"># C.X2.BO3-C.X2.BO3-C.X2.BO3-C.X2.BO3</span> | |
| 625 612 <span class="c"># C.X3.BO4-C.X3.BO4-O.X2.BO2-C.X3.BO4</span> | |
| 626 613 <span class="c"># C.X3.BO4-O.X2.BO2-C.X3.BO4-O.X1.BO2</span> | |
| 627 614 <span class="c">#</span> | |
| 628 <a name="_InitializeAtomicInvariantsAtomTypesInformation-"></a> 615 <span class="k">sub </span><span class="m">_InitializeAtomicInvariantsAtomTypesInformation</span> <span class="s">{</span> | |
| 629 616 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 630 617 | |
| 631 618 <span class="c"># Default atomic invariants to use for generating atom torsions atom IDs: AS, X, BO, H, FC</span> | |
| 632 619 <span class="c">#</span> | |
| 633 620 <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">AtomicInvariantsToUse</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 634 621 <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">AtomicInvariantsToUse</span>}} = <span class="s">(</span><span class="q">'AS'</span><span class="cm">,</span> <span class="q">'X'</span><span class="cm">,</span> <span class="q">'BO'</span><span class="cm">,</span> <span class="q">'H'</span><span class="cm">,</span> <span class="q">'FC'</span><span class="s">)</span><span class="sc">;</span> | |
| 635 622 | |
| 636 623 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 637 624 <span class="s">}</span> | |
| 638 625 | |
| 639 626 <span class="c"># Initialize functional class atom types, generated by AtomTypes::FunctionalClassAtomTypes</span> | |
| 640 627 <span class="c"># class, to use for generating atom identifiers...</span> | |
| 641 628 <span class="c">#</span> | |
| 642 629 <span class="c"># Let:</span> | |
| 643 630 <span class="c"># HBD: HydrogenBondDonor</span> | |
| 644 631 <span class="c"># HBA: HydrogenBondAcceptor</span> | |
| 645 632 <span class="c"># PI : PositivelyIonizable</span> | |
| 646 633 <span class="c"># NI : NegativelyIonizable</span> | |
| 647 634 <span class="c"># Ar : Aromatic</span> | |
| 648 635 <span class="c"># Hal : Halogen</span> | |
| 649 636 <span class="c"># H : Hydrophobic</span> | |
| 650 637 <span class="c"># RA : RingAtom</span> | |
| 651 638 <span class="c"># CA : ChainAtom</span> | |
| 652 639 <span class="c">#</span> | |
| 653 640 <span class="c"># Then:</span> | |
| 654 641 <span class="c">#</span> | |
| 655 642 <span class="c"># Functiononal class atom type specification for an atom corresponds to:</span> | |
| 656 643 <span class="c">#</span> | |
| 657 644 <span class="c"># Ar.CA.H.HBA.HBD.Hal.NI.PI.RA</span> | |
| 658 645 <span class="c">#</span> | |
| 659 646 <span class="c"># Default functional classes used are: HBD, HBA, PI, NI, Ar, Hal</span> | |
| 660 647 <span class="c">#</span> | |
| 661 648 <span class="c"># FunctionalAtomTypes are assigned using the following definitions [ Ref 60-61, Ref 65-66 ]:</span> | |
| 662 649 <span class="c">#</span> | |
| 663 650 <span class="c"># HydrogenBondDonor: NH, NH2, OH</span> | |
| 664 651 <span class="c"># HydrogenBondAcceptor: N[!H], O</span> | |
| 665 652 <span class="c"># PositivelyIonizable: +, NH2</span> | |
| 666 653 <span class="c"># NegativelyIonizable: -, C(=O)OH, S(=O)OH, P(=O)OH</span> | |
| 667 654 <span class="c">#</span> | |
| 668 <a name="_InitializeFunctionalClassAtomTypesInformation-"></a> 655 <span class="k">sub </span><span class="m">_InitializeFunctionalClassAtomTypesInformation</span> <span class="s">{</span> | |
| 669 656 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 670 657 | |
| 671 658 <span class="c"># Default functional class atom typess to use for generating atom identifiers</span> | |
| 672 659 <span class="c"># are: HBD, HBA, PI, NI, Ar, Hal</span> | |
| 673 660 <span class="c">#</span> | |
| 674 661 <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">FunctionalClassesToUse</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 675 662 <span class="i">@</span>{<span class="i">$This</span>->{<span class="w">FunctionalClassesToUse</span>}} = <span class="s">(</span><span class="q">'HBD'</span><span class="cm">,</span> <span class="q">'HBA'</span><span class="cm">,</span> <span class="q">'PI'</span><span class="cm">,</span> <span class="q">'NI'</span><span class="cm">,</span> <span class="q">'Ar'</span><span class="cm">,</span> <span class="q">'Hal'</span><span class="s">)</span><span class="sc">;</span> | |
| 676 663 | |
| 677 664 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 678 665 <span class="s">}</span> | |
| 679 666 | |
| 680 667 <span class="c"># Return a string containg data for TopologicalAtomTorsionsFingerprints object...</span> | |
| 681 668 <span class="c">#</span> | |
| 682 <a name="StringifyTopologicalAtomTorsionsFingerprints-"></a> 669 <span class="k">sub </span><span class="m">StringifyTopologicalAtomTorsionsFingerprints</span> <span class="s">{</span> | |
| 683 670 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 684 671 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsString</span><span class="s">)</span><span class="sc">;</span> | |
| 685 672 | |
| 686 673 <span class="c"># Type of fingerprint...</span> | |
| 687 674 <span class="i">$FingerprintsString</span> = <span class="q">"Fingerprint type: $This->{Type}; AtomIdentifierType: $This->{AtomIdentifierType}"</span><span class="sc">;</span> | |
| 688 675 | |
| 689 676 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^AtomicInvariantsAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span> | |
| 690 677 <span class="k">my</span><span class="s">(</span><span class="i">$AtomicInvariant</span><span class="cm">,</span> <span class="i">@AtomicInvariants</span><span class="cm">,</span> <span class="i">@AtomicInvariantsOrder</span><span class="cm">,</span> <span class="i">%AvailableAtomicInvariants</span><span class="s">)</span><span class="sc">;</span> | |
| 691 678 | |
| 692 679 <span class="i">@AtomicInvariantsOrder</span> = <span class="i">AtomTypes::AtomicInvariantsAtomTypes::GetAtomicInvariantsOrder</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 693 680 <span class="i">%AvailableAtomicInvariants</span> = <span class="i">AtomTypes::AtomicInvariantsAtomTypes::GetAvailableAtomicInvariants</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 694 681 | |
| 695 682 <span class="k">for</span> <span class="i">$AtomicInvariant</span> <span class="s">(</span><span class="i">@AtomicInvariantsOrder</span><span class="s">)</span> <span class="s">{</span> | |
| 696 683 <span class="k">push</span> <span class="i">@AtomicInvariants</span><span class="cm">,</span> <span class="q">"$AtomicInvariant: $AvailableAtomicInvariants{$AtomicInvariant}"</span><span class="sc">;</span> | |
| 697 684 <span class="s">}</span> | |
| 698 685 | |
| 699 686 <span class="i">$FingerprintsString</span> .= <span class="q">"; AtomicInvariantsToUse: <"</span> . <span class="i">TextUtil::JoinWords</span><span class="s">(</span>\<span class="i">@</span>{<span class="i">$This</span>->{<span class="w">AtomicInvariantsToUse</span>}}<span class="cm">,</span> <span class="q">", "</span><span class="cm">,</span> <span class="n">0</span><span class="s">)</span> . <span class="q">">"</span><span class="sc">;</span> | |
| 700 687 <span class="i">$FingerprintsString</span> .= <span class="q">"; AtomicInvariantsOrder: <"</span> . <span class="i">TextUtil::JoinWords</span><span class="s">(</span>\<span class="i">@AtomicInvariantsOrder</span><span class="cm">,</span> <span class="q">", "</span><span class="cm">,</span> <span class="n">0</span><span class="s">)</span> . <span class="q">">"</span><span class="sc">;</span> | |
| 701 688 <span class="i">$FingerprintsString</span> .= <span class="q">"; AvailableAtomicInvariants: <"</span> . <span class="i">TextUtil::JoinWords</span><span class="s">(</span>\<span class="i">@AtomicInvariants</span><span class="cm">,</span> <span class="q">", "</span><span class="cm">,</span> <span class="n">0</span><span class="s">)</span> . <span class="q">">"</span><span class="sc">;</span> | |
| 702 689 <span class="s">}</span> | |
| 703 690 <span class="k">elsif</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">AtomIdentifierType</span>} =~ <span class="q">/^FunctionalClassAtomTypes$/i</span><span class="s">)</span> <span class="s">{</span> | |
| 704 691 <span class="k">my</span><span class="s">(</span><span class="i">$FunctionalClass</span><span class="cm">,</span> <span class="i">@FunctionalClasses</span><span class="cm">,</span> <span class="i">@FunctionalClassesOrder</span><span class="cm">,</span> <span class="i">%AvailableFunctionalClasses</span><span class="s">)</span><span class="sc">;</span> | |
| 705 692 | |
| 706 693 <span class="i">@FunctionalClassesOrder</span> = <span class="i">AtomTypes::FunctionalClassAtomTypes::GetFunctionalClassesOrder</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 707 694 <span class="i">%AvailableFunctionalClasses</span> = <span class="i">AtomTypes::FunctionalClassAtomTypes::GetAvailableFunctionalClasses</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 708 695 | |
| 709 696 <span class="k">for</span> <span class="i">$FunctionalClass</span> <span class="s">(</span><span class="i">@FunctionalClassesOrder</span><span class="s">)</span> <span class="s">{</span> | |
| 710 697 <span class="k">push</span> <span class="i">@FunctionalClasses</span><span class="cm">,</span> <span class="q">"$FunctionalClass: $AvailableFunctionalClasses{$FunctionalClass}"</span><span class="sc">;</span> | |
| 711 698 <span class="s">}</span> | |
| 712 699 | |
| 713 700 <span class="i">$FingerprintsString</span> .= <span class="q">"; FunctionalClassesToUse: <"</span> . <span class="i">TextUtil::JoinWords</span><span class="s">(</span>\<span class="i">@</span>{<span class="i">$This</span>->{<span class="w">FunctionalClassesToUse</span>}}<span class="cm">,</span> <span class="q">", "</span><span class="cm">,</span> <span class="n">0</span><span class="s">)</span> . <span class="q">">"</span><span class="sc">;</span> | |
| 714 701 <span class="i">$FingerprintsString</span> .= <span class="q">"; FunctionalClassesOrder: <"</span> . <span class="i">TextUtil::JoinWords</span><span class="s">(</span>\<span class="i">@FunctionalClassesOrder</span><span class="cm">,</span> <span class="q">", "</span><span class="cm">,</span> <span class="n">0</span><span class="s">)</span> . <span class="q">">"</span><span class="sc">;</span> | |
| 715 702 <span class="i">$FingerprintsString</span> .= <span class="q">"; AvailableFunctionalClasses: <"</span> . <span class="i">TextUtil::JoinWords</span><span class="s">(</span>\<span class="i">@FunctionalClasses</span><span class="cm">,</span> <span class="q">", "</span><span class="cm">,</span> <span class="n">0</span><span class="s">)</span> . <span class="q">">"</span><span class="sc">;</span> | |
| 716 703 <span class="s">}</span> | |
| 717 704 | |
| 718 705 <span class="c"># Total number of atom torsions...</span> | |
| 719 706 <span class="i">$FingerprintsString</span> .= <span class="q">"; NumOfAtomTorsions: "</span> . <span class="i">$This</span>->{<span class="w">FingerprintsVector</span>}<span class="i">->GetNumOfValues</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 720 707 | |
| 721 708 <span class="c"># FingerprintsVector...</span> | |
| 722 709 <span class="i">$FingerprintsString</span> .= <span class="q">"; FingerprintsVector: < $This->{FingerprintsVector} >"</span><span class="sc">;</span> | |
| 723 710 | |
| 724 711 <span class="k">return</span> <span class="i">$FingerprintsString</span><span class="sc">;</span> | |
| 725 712 <span class="s">}</span> | |
| 726 713 | |
| 727 <a name="EOF-"></a></pre> | |
| 728 <p> </p> | |
| 729 <br /> | |
| 730 <center> | |
| 731 <img src="../../../images/h2o2.png"> | |
| 732 </center> | |
| 733 </body> | |
| 734 </html> |