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1 <html> | |
2 <head> | |
3 <title>MayaChemTools:Code:MolecularDescriptors::RotatableBondsDescriptors.pm</title> | |
4 <meta http-equiv="content-type" content="text/html;charset=utf-8"> | |
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13 <pre> | |
14 <a name="package-MolecularDescriptors::RotatableBondsDescriptors-"></a> 1 <span class="k">package </span><span class="i">MolecularDescriptors::RotatableBondsDescriptors</span><span class="sc">;</span> | |
15 2 <span class="c">#</span> | |
16 3 <span class="c"># $RCSfile: RotatableBondsDescriptors.pm,v $</span> | |
17 4 <span class="c"># $Date: 2015/02/28 20:49:20 $</span> | |
18 5 <span class="c"># $Revision: 1.18 $</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">Scalar::Util</span> <span class="s">(</span><span class="s">)</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">Atom</span><span class="sc">;</span> | |
48 35 <span class="k">use</span> <span class="w">Molecule</span><span class="sc">;</span> | |
49 36 <span class="k">use</span> <span class="w">MolecularDescriptors::MolecularDescriptors</span><span class="sc">;</span> | |
50 37 | |
51 38 <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> | |
52 39 | |
53 40 <span class="i">@ISA</span> = <span class="q">qw(MolecularDescriptors::MolecularDescriptors Exporter)</span><span class="sc">;</span> | |
54 41 <span class="i">@EXPORT</span> = <span class="q">qw()</span><span class="sc">;</span> | |
55 42 <span class="i">@EXPORT_OK</span> = <span class="q">qw(GetDescriptorNames)</span><span class="sc">;</span> | |
56 43 | |
57 44 <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> | |
58 45 | |
59 46 <span class="c"># Setup class variables...</span> | |
60 47 <span class="k">my</span><span class="s">(</span><span class="i">$ClassName</span><span class="cm">,</span> <span class="i">@DescriptorNames</span><span class="s">)</span><span class="sc">;</span> | |
61 48 <span class="i">_InitializeClass</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
62 49 | |
63 50 <span class="c"># Overload Perl functions...</span> | |
64 51 <span class="k">use</span> <span class="w">overload</span> <span class="q">'""'</span> <span class="cm">=></span> <span class="q">'StringifyRotatableBondsDescriptors'</span><span class="sc">;</span> | |
65 52 | |
66 53 <span class="c"># Class constructor...</span> | |
67 <a name="new-"></a> 54 <span class="k">sub </span><span class="m">new</span> <span class="s">{</span> | |
68 55 <span class="k">my</span><span class="s">(</span><span class="i">$Class</span><span class="cm">,</span> <span class="i">%NamesAndValues</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
69 56 | |
70 57 <span class="c"># Initialize object...</span> | |
71 58 <span class="k">my</span> <span class="i">$This</span> = <span class="i">$Class</span><span class="i">->SUPER::new</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
72 59 <span class="k">bless</span> <span class="i">$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> | |
73 60 <span class="i">$This</span><span class="i">->_InitializeRotatableBondsDescriptors</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
74 61 | |
75 62 <span class="i">$This</span><span class="i">->_InitializeRotatableBondsDescriptorsProperties</span><span class="s">(</span><span class="i">%NamesAndValues</span><span class="s">)</span><span class="sc">;</span> | |
76 63 | |
77 64 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
78 65 <span class="s">}</span> | |
79 66 | |
80 67 <span class="c"># Initialize class ...</span> | |
81 <a name="_InitializeClass-"></a> 68 <span class="k">sub </span><span class="m">_InitializeClass</span> <span class="s">{</span> | |
82 69 <span class="c">#Class name...</span> | |
83 70 <span class="i">$ClassName</span> = <span class="w">__PACKAGE__</span><span class="sc">;</span> | |
84 71 | |
85 72 <span class="c"># Descriptor names...</span> | |
86 73 <span class="i">@DescriptorNames</span> = <span class="s">(</span><span class="q">'RotatableBonds'</span><span class="s">)</span><span class="sc">;</span> | |
87 74 | |
88 75 <span class="s">}</span> | |
89 76 | |
90 77 <span class="c"># Get descriptor names as an array.</span> | |
91 78 <span class="c">#</span> | |
92 79 <span class="c"># This functionality can be either invoked as a class function or an</span> | |
93 80 <span class="c"># object method.</span> | |
94 81 <span class="c">#</span> | |
95 <a name="GetDescriptorNames-"></a> 82 <span class="k">sub </span><span class="m">GetDescriptorNames</span> <span class="s">{</span> | |
96 83 <span class="k">return</span> <span class="i">@DescriptorNames</span><span class="sc">;</span> | |
97 84 <span class="s">}</span> | |
98 85 | |
99 86 <span class="c"># Initialize object data...</span> | |
100 87 <span class="c">#</span> | |
101 <a name="_InitializeRotatableBondsDescriptors-"></a> 88 <span class="k">sub </span><span class="m">_InitializeRotatableBondsDescriptors</span> <span class="s">{</span> | |
102 89 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
103 90 | |
104 91 <span class="c"># Type of MolecularDescriptor...</span> | |
105 92 <span class="i">$This</span>->{<span class="w">Type</span>} = <span class="q">'RotatableBonds'</span><span class="sc">;</span> | |
106 93 | |
107 94 <span class="c"># MayaChemTools rotatable bonds default definition corresponds to modifed</span> | |
108 95 <span class="c"># version of rotatable bonds definition used by Veber et al. [ Ref 92 ]</span> | |
109 96 <span class="c">#</span> | |
110 97 <span class="i">$This</span>->{<span class="w">IgnoreTerminalBonds</span>} = <span class="n">1</span><span class="sc">;</span> | |
111 98 <span class="i">$This</span>->{<span class="w">IgnoreBondsToTripleBonds</span>} = <span class="n">1</span><span class="sc">;</span> | |
112 99 <span class="i">$This</span>->{<span class="w">IgnoreAmideBonds</span>} = <span class="n">1</span><span class="sc">;</span> | |
113 100 <span class="i">$This</span>->{<span class="w">IgnoreThioamideBonds</span>} = <span class="n">1</span><span class="sc">;</span> | |
114 101 <span class="i">$This</span>->{<span class="w">IgnoreSulfonamideBonds</span>} = <span class="n">1</span><span class="sc">;</span> | |
115 102 | |
116 103 <span class="c"># Intialize descriptor names and values...</span> | |
117 104 <span class="i">$This</span><span class="i">->_InitializeDescriptorNamesAndValues</span><span class="s">(</span><span class="i">@DescriptorNames</span><span class="s">)</span><span class="sc">;</span> | |
118 105 | |
119 106 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
120 107 <span class="s">}</span> | |
121 108 | |
122 109 <span class="c"># Initialize object properties...</span> | |
123 110 <span class="c">#</span> | |
124 <a name="_InitializeRotatableBondsDescriptorsProperties-"></a> 111 <span class="k">sub </span><span class="m">_InitializeRotatableBondsDescriptorsProperties</span> <span class="s">{</span> | |
125 112 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">%NamesAndValues</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
126 113 | |
127 114 <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">$MethodName</span><span class="s">)</span><span class="sc">;</span> | |
128 115 <span class="k">while</span> <span class="s">(</span><span class="s">(</span><span class="i">$Name</span><span class="cm">,</span> <span class="i">$Value</span><span class="s">)</span> = <span class="k">each</span> <span class="i">%NamesAndValues</span><span class="s">)</span> <span class="s">{</span> | |
129 116 <span class="i">$MethodName</span> = <span class="q">"Set${Name}"</span><span class="sc">;</span> | |
130 117 <span class="i">$This</span><span class="i">->$MethodName</span><span class="s">(</span><span class="i">$Value</span><span class="s">)</span><span class="sc">;</span> | |
131 118 <span class="s">}</span> | |
132 119 | |
133 120 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
134 121 <span class="s">}</span> | |
135 122 | |
136 123 <span class="c"># Calculate number of rotatable bonds in a molecule...</span> | |
137 124 <span class="c">#</span> | |
138 125 <span class="c"># A rotatable bond is defined as any single bond which is not in a ring</span> | |
139 126 <span class="c"># and involves only non-hydrogen atoms. By default, the following types</span> | |
140 127 <span class="c"># of single bonds are not considered rotatable bonds:</span> | |
141 128 <span class="c">#</span> | |
142 129 <span class="c"># . Terminal bonds</span> | |
143 130 <span class="c"># . Bonds attached to triple bonds</span> | |
144 131 <span class="c"># . Amide C-N bonds</span> | |
145 132 <span class="c"># . Thioamide C-N bond bonds</span> | |
146 133 <span class="c"># . Sulfonamide S-N bonds</span> | |
147 134 <span class="c">#</span> | |
148 135 <span class="c"># MayaChemTools rotatable bonds default definition corresponds to modifed</span> | |
149 136 <span class="c"># version of rotatable bonds definition used by Veber et al. [ Ref 92 ]</span> | |
150 137 <span class="c">#</span> | |
151 <a name="GenerateDescriptors-"></a> 138 <span class="k">sub </span><span class="m">GenerateDescriptors</span> <span class="s">{</span> | |
152 139 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
153 140 | |
154 141 <span class="c"># Initialize descriptor values...</span> | |
155 142 <span class="i">$This</span><span class="i">->_InitializeDescriptorValues</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
156 143 | |
157 144 <span class="c"># Check availability of molecule...</span> | |
158 145 <span class="k">if</span> <span class="s">(</span>!<span class="i">$This</span>->{<span class="w">Molecule</span>}<span class="s">)</span> <span class="s">{</span> | |
159 146 <span class="w">carp</span> <span class="q">"Warning: ${ClassName}->GenerateDescriptors: $This->{Type} molecular descriptors generation didn't succeed: Molecule data is not available: Molecule object hasn't been set..."</span><span class="sc">;</span> | |
160 147 <span class="k">return</span> <span class="k">undef</span><span class="sc">;</span> | |
161 148 <span class="s">}</span> | |
162 149 | |
163 150 <span class="c"># Calculate descriptor values...</span> | |
164 151 <span class="k">if</span> <span class="s">(</span>!<span class="i">$This</span><span class="i">->_CalculateDescriptorValues</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
165 152 <span class="w">carp</span> <span class="q">"Warning: ${ClassName}->GenerateDescriptors: $This->{Type} molecular descriptors generation didn't succeed: Couldn't calculate RotatableBonds values..."</span><span class="sc">;</span> | |
166 153 <span class="k">return</span> <span class="k">undef</span><span class="sc">;</span> | |
167 154 <span class="s">}</span> | |
168 155 | |
169 156 <span class="c"># Set final descriptor values...</span> | |
170 157 <span class="i">$This</span><span class="i">->_SetFinalDescriptorValues</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
171 158 | |
172 159 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
173 160 <span class="s">}</span> | |
174 161 | |
175 162 <span class="c"># Calculate RotatableBonds value...</span> | |
176 163 <span class="c">#</span> | |
177 <a name="_CalculateDescriptorValues-"></a> 164 <span class="k">sub </span><span class="m">_CalculateDescriptorValues</span> <span class="s">{</span> | |
178 165 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
179 166 <span class="k">my</span><span class="s">(</span><span class="i">$Bond</span><span class="cm">,</span> <span class="i">$RotatableBonds</span><span class="cm">,</span> <span class="i">$Atom1</span><span class="cm">,</span> <span class="i">$Atom2</span><span class="s">)</span><span class="sc">;</span> | |
180 167 | |
181 168 <span class="i">$RotatableBonds</span> = <span class="n">0</span><span class="sc">;</span> | |
182 169 | |
183 170 <span class="j">BOND:</span> <span class="k">for</span> <span class="i">$Bond</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">Molecule</span>}<span class="i">->GetBonds</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
184 171 <span class="c"># Is it a non-ring ring bond?</span> | |
185 172 <span class="k">if</span> <span class="s">(</span>!<span class="i">$Bond</span><span class="i">->IsSingle</span><span class="s">(</span><span class="s">)</span> || <span class="i">$Bond</span><span class="i">->IsInRing</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
186 173 <span class="k">next</span> <span class="j">BOND</span><span class="sc">;</span> | |
187 174 <span class="s">}</span> | |
188 175 | |
189 176 <span class="s">(</span><span class="i">$Atom1</span><span class="cm">,</span> <span class="i">$Atom2</span><span class="s">)</span> = <span class="i">$Bond</span><span class="i">->GetAtoms</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
190 177 | |
191 178 <span class="c"># Does bond contain any Hydrogen atoms?</span> | |
192 179 <span class="k">if</span> <span class="s">(</span><span class="i">$Atom1</span><span class="i">->IsHydrogen</span><span class="s">(</span><span class="s">)</span> || <span class="i">$Atom2</span><span class="i">->IsHydrogen</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
193 180 <span class="k">next</span> <span class="j">BOND</span><span class="sc">;</span> | |
194 181 <span class="s">}</span> | |
195 182 | |
196 183 <span class="c"># Check for terminal bonds...</span> | |
197 184 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">IgnoreTerminalBonds</span>} && <span class="i">$This</span><span class="i">->_IsTerminalBond</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="s">)</span> <span class="s">{</span> | |
198 185 <span class="k">next</span> <span class="j">BOND</span><span class="sc">;</span> | |
199 186 <span class="s">}</span> | |
200 187 | |
201 188 <span class="c"># Check for bonds attached to triple bonds...</span> | |
202 189 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">IgnoreBondsToTripleBonds</span>} && <span class="i">$This</span><span class="i">->_IsAttachedToTripleBond</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="s">)</span> <span class="s">{</span> | |
203 190 <span class="k">next</span> <span class="j">BOND</span><span class="sc">;</span> | |
204 191 <span class="s">}</span> | |
205 192 | |
206 193 <span class="c"># Check for amide bonds...</span> | |
207 194 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">IgnoreAmideBonds</span>} && <span class="i">$This</span><span class="i">->_IsAmideBond</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="s">)</span> <span class="s">{</span> | |
208 195 <span class="k">next</span> <span class="j">BOND</span><span class="sc">;</span> | |
209 196 <span class="s">}</span> | |
210 197 | |
211 198 <span class="c"># Check for amide bonds...</span> | |
212 199 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">IgnoreThioamideBonds</span>} && <span class="i">$This</span><span class="i">->_IsThioamideBond</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="s">)</span> <span class="s">{</span> | |
213 200 <span class="k">next</span> <span class="j">BOND</span><span class="sc">;</span> | |
214 201 <span class="s">}</span> | |
215 202 | |
216 203 <span class="c"># Check for sulfonamide bonds...</span> | |
217 204 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">IgnoreSulfonamideBonds</span>} && <span class="i">$This</span><span class="i">->_IsSulfonamideBond</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="s">)</span> <span class="s">{</span> | |
218 205 <span class="k">next</span> <span class="j">BOND</span><span class="sc">;</span> | |
219 206 <span class="s">}</span> | |
220 207 | |
221 208 <span class="i">$RotatableBonds</span> += <span class="n">1</span><span class="sc">;</span> | |
222 209 <span class="s">}</span> | |
223 210 | |
224 211 <span class="c"># Track the calculated values...</span> | |
225 212 <span class="i">$This</span>->{<span class="w">RotatableBonds</span>} = <span class="i">$RotatableBonds</span><span class="sc">;</span> | |
226 213 | |
227 214 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
228 215 <span class="s">}</span> | |
229 216 | |
230 217 <span class="c"># Is it a terminal bond?</span> | |
231 218 <span class="c">#</span> | |
232 <a name="_IsTerminalBond-"></a> 219 <span class="k">sub </span><span class="m">_IsTerminalBond</span> <span class="s">{</span> | |
233 220 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Atom1</span><span class="cm">,</span> <span class="i">$Atom2</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
234 221 | |
235 222 <span class="k">return</span> <span class="s">(</span><span class="i">$Atom1</span><span class="i">->GetAtomicInvariantValue</span><span class="s">(</span><span class="q">'X'</span><span class="s">)</span> <= <span class="n">1</span> || <span class="i">$Atom2</span><span class="i">->GetAtomicInvariantValue</span><span class="s">(</span><span class="q">'X'</span><span class="s">)</span> <= <span class="n">1</span> <span class="s">)</span> ? <span class="n">1</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
236 223 <span class="s">}</span> | |
237 224 | |
238 225 <span class="c"># Is it attached to a terminal bond?</span> | |
239 226 <span class="c">#</span> | |
240 <a name="_IsAttachedToTripleBond-"></a> 227 <span class="k">sub </span><span class="m">_IsAttachedToTripleBond</span> <span class="s">{</span> | |
241 228 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Atom1</span><span class="cm">,</span> <span class="i">$Atom2</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
242 229 | |
243 230 <span class="k">return</span> <span class="s">(</span><span class="i">$Atom1</span><span class="i">->GetAtomicInvariantValue</span><span class="s">(</span><span class="q">'LBO'</span><span class="s">)</span> == <span class="n">3</span> || <span class="i">$Atom2</span><span class="i">->GetAtomicInvariantValue</span><span class="s">(</span><span class="q">'LBO'</span><span class="s">)</span> == <span class="n">3</span><span class="s">)</span> ? <span class="n">1</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
244 231 <span class="s">}</span> | |
245 232 | |
246 233 <span class="c"># Is it an amide bond?</span> | |
247 234 <span class="c">#</span> | |
248 235 <span class="c"># Amide: R-C(=O)-N(-R)(-R")</span> | |
249 236 <span class="c">#</span> | |
250 <a name="_IsAmideBond-"></a> 237 <span class="k">sub </span><span class="m">_IsAmideBond</span> <span class="s">{</span> | |
251 238 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Atom1</span><span class="cm">,</span> <span class="i">$Atom2</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
252 239 <span class="k">my</span><span class="s">(</span><span class="i">$CarbonAtom</span><span class="cm">,</span> <span class="i">$NitrogenAtom</span><span class="s">)</span><span class="sc">;</span> | |
253 240 | |
254 241 <span class="s">(</span><span class="i">$CarbonAtom</span><span class="cm">,</span> <span class="i">$NitrogenAtom</span><span class="s">)</span> = <span class="s">(</span><span class="k">undef</span><span class="cm">,</span> <span class="k">undef</span><span class="s">)</span><span class="sc">;</span> | |
255 242 | |
256 243 <span class="k">if</span> <span class="s">(</span><span class="i">$Atom1</span><span class="i">->IsCarbon</span><span class="s">(</span><span class="s">)</span> && <span class="i">$Atom2</span><span class="i">->IsNitrogen</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
257 244 <span class="s">(</span><span class="i">$CarbonAtom</span><span class="cm">,</span> <span class="i">$NitrogenAtom</span><span class="s">)</span> = <span class="s">(</span><span class="i">$Atom1</span><span class="cm">,</span> <span class="i">$Atom2</span><span class="s">)</span><span class="sc">;</span> | |
258 245 <span class="s">}</span> | |
259 246 <span class="k">elsif</span> <span class="s">(</span><span class="i">$Atom2</span><span class="i">->IsCarbon</span><span class="s">(</span><span class="s">)</span> && <span class="i">$Atom1</span><span class="i">->IsNitrogen</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
260 247 <span class="s">(</span><span class="i">$CarbonAtom</span><span class="cm">,</span> <span class="i">$NitrogenAtom</span><span class="s">)</span> = <span class="s">(</span><span class="i">$Atom2</span><span class="cm">,</span> <span class="i">$Atom1</span><span class="s">)</span><span class="sc">;</span> | |
261 248 <span class="s">}</span> | |
262 249 | |
263 250 <span class="k">if</span> <span class="s">(</span>!<span class="i">$CarbonAtom</span><span class="s">)</span> <span class="s">{</span> | |
264 251 <span class="k">return</span> <span class="n">0</span><span class="sc">;</span> | |
265 252 <span class="s">}</span> | |
266 253 | |
267 254 <span class="k">return</span> <span class="i">$CarbonAtom</span><span class="i">->DoesAtomNeighborhoodMatch</span><span class="s">(</span><span class="q">'C.T3.DB1'</span><span class="cm">,</span> <span class="s">[</span><span class="q">'O'</span><span class="cm">,</span> <span class="q">'N'</span><span class="cm">,</span> <span class="q">'C,H'</span><span class="s">]</span><span class="cm">,</span> <span class="s">[</span><span class="q">'='</span><span class="cm">,</span> <span class="q">'-'</span><span class="cm">,</span> <span class="q">'-'</span><span class="s">]</span><span class="s">)</span> ? <span class="n">1</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
268 255 <span class="s">}</span> | |
269 256 | |
270 257 <span class="c"># Is it a thioamide bond?</span> | |
271 258 <span class="c">#</span> | |
272 259 <span class="c"># Thioamide: R-C(=S)-N(-R)(-R")</span> | |
273 260 <span class="c">#</span> | |
274 <a name="_IsThioamideBond-"></a> 261 <span class="k">sub </span><span class="m">_IsThioamideBond</span> <span class="s">{</span> | |
275 262 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Atom1</span><span class="cm">,</span> <span class="i">$Atom2</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
276 263 <span class="k">my</span><span class="s">(</span><span class="i">$CarbonAtom</span><span class="cm">,</span> <span class="i">$NitrogenAtom</span><span class="s">)</span><span class="sc">;</span> | |
277 264 | |
278 265 <span class="s">(</span><span class="i">$CarbonAtom</span><span class="cm">,</span> <span class="i">$NitrogenAtom</span><span class="s">)</span> = <span class="s">(</span><span class="k">undef</span><span class="cm">,</span> <span class="k">undef</span><span class="s">)</span><span class="sc">;</span> | |
279 266 | |
280 267 <span class="k">if</span> <span class="s">(</span><span class="i">$Atom1</span><span class="i">->IsCarbon</span><span class="s">(</span><span class="s">)</span> && <span class="i">$Atom2</span><span class="i">->IsNitrogen</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
281 268 <span class="s">(</span><span class="i">$CarbonAtom</span><span class="cm">,</span> <span class="i">$NitrogenAtom</span><span class="s">)</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> | |
282 269 <span class="s">}</span> | |
283 270 <span class="k">elsif</span> <span class="s">(</span><span class="i">$Atom2</span><span class="i">->IsCarbon</span><span class="s">(</span><span class="s">)</span> && <span class="i">$Atom1</span><span class="i">->IsNitrogen</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
284 271 <span class="s">(</span><span class="i">$CarbonAtom</span><span class="cm">,</span> <span class="i">$NitrogenAtom</span><span class="s">)</span> = <span class="s">(</span><span class="i">$Atom2</span><span class="cm">,</span> <span class="i">$Atom1</span><span class="s">)</span><span class="sc">;</span> | |
285 272 <span class="s">}</span> | |
286 273 | |
287 274 <span class="k">if</span> <span class="s">(</span>!<span class="i">$CarbonAtom</span><span class="s">)</span> <span class="s">{</span> | |
288 275 <span class="k">return</span> <span class="n">0</span><span class="sc">;</span> | |
289 276 <span class="s">}</span> | |
290 277 | |
291 278 <span class="k">return</span> <span class="i">$CarbonAtom</span><span class="i">->DoesAtomNeighborhoodMatch</span><span class="s">(</span><span class="q">'C.T3.DB1'</span><span class="cm">,</span> <span class="s">[</span><span class="q">'S'</span><span class="cm">,</span> <span class="q">'N'</span><span class="cm">,</span> <span class="q">'C,H'</span><span class="s">]</span><span class="cm">,</span> <span class="s">[</span><span class="q">'='</span><span class="cm">,</span> <span class="q">'-'</span><span class="cm">,</span> <span class="q">'-'</span><span class="s">]</span><span class="s">)</span> ? <span class="n">1</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
292 279 <span class="s">}</span> | |
293 280 | |
294 281 <span class="c"># Is it a sulfonamide bond?</span> | |
295 282 <span class="c">#</span> | |
296 283 <span class="c"># Sulfonamide: R-S(=O)(=O)-N(-R)(-R")</span> | |
297 284 <span class="c">#</span> | |
298 <a name="_IsSulfonamideBond-"></a> 285 <span class="k">sub </span><span class="m">_IsSulfonamideBond</span> <span class="s">{</span> | |
299 286 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Atom1</span><span class="cm">,</span> <span class="i">$Atom2</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
300 287 <span class="k">my</span><span class="s">(</span><span class="i">$SulfurAtom</span><span class="cm">,</span> <span class="i">$NitrogenAtom</span><span class="s">)</span><span class="sc">;</span> | |
301 288 | |
302 289 <span class="s">(</span><span class="i">$SulfurAtom</span><span class="cm">,</span> <span class="i">$NitrogenAtom</span><span class="s">)</span> = <span class="s">(</span><span class="k">undef</span><span class="cm">,</span> <span class="k">undef</span><span class="s">)</span><span class="sc">;</span> | |
303 290 | |
304 291 <span class="k">if</span> <span class="s">(</span><span class="i">$Atom1</span><span class="i">->IsSulfur</span><span class="s">(</span><span class="s">)</span> && <span class="i">$Atom2</span><span class="i">->IsNitrogen</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
305 292 <span class="s">(</span><span class="i">$SulfurAtom</span><span class="cm">,</span> <span class="i">$NitrogenAtom</span><span class="s">)</span> = <span class="s">(</span><span class="i">$Atom1</span><span class="cm">,</span> <span class="i">$Atom2</span><span class="s">)</span><span class="sc">;</span> | |
306 293 <span class="s">}</span> | |
307 294 <span class="k">elsif</span> <span class="s">(</span><span class="i">$Atom2</span><span class="i">->IsSulfur</span><span class="s">(</span><span class="s">)</span> && <span class="i">$Atom1</span><span class="i">->IsNitrogen</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
308 295 <span class="s">(</span><span class="i">$SulfurAtom</span><span class="cm">,</span> <span class="i">$NitrogenAtom</span><span class="s">)</span> = <span class="s">(</span><span class="i">$Atom2</span><span class="cm">,</span> <span class="i">$Atom1</span><span class="s">)</span><span class="sc">;</span> | |
309 296 <span class="s">}</span> | |
310 297 | |
311 298 <span class="k">if</span> <span class="s">(</span>!<span class="i">$SulfurAtom</span><span class="s">)</span> <span class="s">{</span> | |
312 299 <span class="k">return</span> <span class="n">0</span><span class="sc">;</span> | |
313 300 <span class="s">}</span> | |
314 301 | |
315 302 <span class="k">return</span> <span class="i">$SulfurAtom</span><span class="i">->DoesAtomNeighborhoodMatch</span><span class="s">(</span><span class="q">'S.T4.DB2'</span><span class="cm">,</span> <span class="s">[</span><span class="q">'O'</span><span class="cm">,</span> <span class="q">'O'</span><span class="cm">,</span> <span class="q">'N'</span><span class="cm">,</span> <span class="q">'!O'</span><span class="s">]</span><span class="cm">,</span> <span class="s">[</span><span class="q">'='</span><span class="cm">,</span> <span class="q">'='</span><span class="cm">,</span> <span class="q">'-'</span><span class="cm">,</span> <span class="q">'-'</span><span class="s">]</span><span class="s">)</span> ? <span class="n">1</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
316 303 <span class="s">}</span> | |
317 304 | |
318 305 <span class="c"># Setup final descriptor values...</span> | |
319 306 <span class="c">#</span> | |
320 <a name="_SetFinalDescriptorValues-"></a> 307 <span class="k">sub </span><span class="m">_SetFinalDescriptorValues</span> <span class="s">{</span> | |
321 308 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
322 309 | |
323 310 <span class="i">$This</span>->{<span class="w">DescriptorsGenerated</span>} = <span class="n">1</span><span class="sc">;</span> | |
324 311 | |
325 312 <span class="i">$This</span><span class="i">->SetDescriptorValues</span><span class="s">(</span><span class="i">$This</span>->{<span class="w">RotatableBonds</span>}<span class="s">)</span><span class="sc">;</span> | |
326 313 | |
327 314 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
328 315 <span class="s">}</span> | |
329 316 | |
330 317 <span class="c"># Return a string containg data for RotatableBondsDescriptors object...</span> | |
331 318 <span class="c">#</span> | |
332 <a name="StringifyRotatableBondsDescriptors-"></a> 319 <span class="k">sub </span><span class="m">StringifyRotatableBondsDescriptors</span> <span class="s">{</span> | |
333 320 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
334 321 <span class="k">my</span><span class="s">(</span><span class="i">$RotatableBondsDescriptorsString</span><span class="s">)</span><span class="sc">;</span> | |
335 322 | |
336 323 <span class="c"># Type of MolecularDescriptors...</span> | |
337 324 <span class="i">$RotatableBondsDescriptorsString</span> = <span class="q">"MolecularDescriptorType: $This->{Type}; IgnoreTerminalBonds: "</span> . <span class="s">(</span><span class="i">$This</span>->{<span class="w">IgnoreTerminalBonds</span>} ? <span class="q">"Yes"</span> <span class="co">:</span> <span class="q">"No"</span><span class="s">)</span> . <span class="q">"; IgnoreBondsToTripleBonds: "</span> . <span class="s">(</span><span class="i">$This</span>->{<span class="w">IgnoreBondsToTripleBonds</span>} ? <span class="q">"Yes"</span> <span class="co">:</span> <span class="q">"No"</span><span class="s">)</span> . <span class="q">"; IgnoreAmideBonds: "</span> . <span class="s">(</span><span class="i">$This</span>->{<span class="w">IgnoreAmideBonds</span>} ? <span class="q">"Yes"</span> <span class="co">:</span> <span class="q">"No"</span><span class="s">)</span> . <span class="q">"; IgnoreThioamideBonds: "</span> . <span class="s">(</span><span class="i">$This</span>->{<span class="w">IgnoreThioamideBonds</span>} ? <span class="q">"Yes"</span> <span class="co">:</span> <span class="q">"No"</span><span class="s">)</span> . <span class="q">"; IgnoreSulfonamideBonds: "</span> . <span class="s">(</span><span class="i">$This</span>->{<span class="w">IgnoreSulfonamideBonds</span>} ? <span class="q">"Yes"</span> <span class="co">:</span> <span class="q">"No"</span><span class="s">)</span><span class="sc">;</span> | |
338 325 | |
339 326 <span class="c"># Setup molecular descriptor information...</span> | |
340 327 <span class="i">$RotatableBondsDescriptorsString</span> .= <span class="q">"; "</span> . <span class="i">$This</span><span class="i">->_StringifyDescriptorNamesAndValues</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
341 328 | |
342 329 <span class="k">return</span> <span class="i">$RotatableBondsDescriptorsString</span><span class="sc">;</span> | |
343 330 <span class="s">}</span> | |
344 331 | |
345 332 <span class="c"># Is it a RotatableBondsDescriptors object?</span> | |
346 <a name="_IsRotatableBondsDescriptors-"></a> 333 <span class="k">sub </span><span class="m">_IsRotatableBondsDescriptors</span> <span class="s">{</span> | |
347 334 <span class="k">my</span><span class="s">(</span><span class="i">$Object</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
348 335 | |
349 336 <span class="k">return</span> <span class="s">(</span><span class="i">Scalar::Util::blessed</span><span class="s">(</span><span class="i">$Object</span><span class="s">)</span> && <span class="i">$Object</span><span class="i">->isa</span><span class="s">(</span><span class="i">$ClassName</span><span class="s">)</span><span class="s">)</span> ? <span class="n">1</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
350 337 <span class="s">}</span> | |
351 338 | |
352 <a name="EOF-"></a></pre> | |
353 <p> </p> | |
354 <br /> | |
355 <center> | |
356 <img src="../../../images/h2o2.png"> | |
357 </center> | |
358 </body> | |
359 </html> |