1*  \\\\ CHARMM27 All-Hydrogen Nucleic Acid Topology File ////
2*  \\\\\\\\\\\\\\\\\\ Developmental ////////////////////////
3*   Alexander D. MacKerell Jr. and Nicolas Foloppe
4*                     December, 2003
5* All comments to ADM jr. via the CHARMM web site: www.charmm.org
6*               parameter set discussion forum
7*
827 1
9
10! model componds moved to toppar_all27_na_model.str
11
12! NAD, ATP, PPI and related compounds moved to toppar_all27_na_nad_ppi.str
13
14! base modification residues and patches moved to toppar_all27_na_base_modifications.str
15
16!
17!references
18!
19!NUCLEIC ACIDS
20!
21!Foloppe, N. and MacKerell, Jr., A.D. "All-Atom Empirical Force Field for
22!Nucleic Acids: 2) Parameter Optimization Based on Small Molecule and
23!Condensed Phase Macromolecular Target Data. 2000, 21: 86-104.
24!
25!and
26!
27!MacKerell, Jr., A.D. and Banavali, N. "All-Atom Empirical Force Field for
28!Nucleic Acids: 2) Application to Molecular Dynamics Simulations of DNA
29!and RNA in Solution. 2000, 21: 105-120.
30!
31
32MASS 1    HT    1.008000 H ! TIPS3P WATER HYDROGEN
33MASS 2    HN1   1.008000 H ! Nucleic acid amine proton
34MASS 3    HN2   1.008000 H ! Nucleic acid ring nitrogen proton
35MASS 4    HN3   1.008000 H ! Nucleic acid aromatic carbon proton
36MASS 5    HN3B  1.008000 H ! NAD+ aromatic hydrogen
37MASS 6    HN3C  1.008000 H ! Standard aromatic hydrogen (as in benzene)
38MASS 7    HNP   1.008000 H ! pure aromatic H
39MASS 8    HN4   1.008000 H ! Nucleic acid phosphate hydroxyl proton
40MASS 9    HN5   1.008000 H ! Nucleic acid ribose hydroxyl proton
41MASS 10   HN6   1.008000 H ! Nucleic acid ribose aliphatic proton
42MASS 11   HN7   1.008000 H ! Nucleic acid proton (equivalent to protein HA)
43MASS 12   HN8   1.008000 H ! Bound to CN8 in nucleic acids/model compounds
44MASS 13   HN9   1.008000 H ! Bound to CN9 in nucleic acids/model compounds
45MASS 14   HNE1  1.008000 H ! for alkene; RHC=CR (modified thy patch Sasha)
46MASS 15   HNE2  1.008000 H ! for alkene; H2C=CR (modified thy patch Sasha)
47MASS 20   CN1  12.011000 C ! Nucleic acid carbonyl carbon
48MASS 21   CN1A 12.011000 C ! NAD+/NADH amide carbonyl carbon
49MASS 22   CN1T 12.011000 C ! Nucleic acid carbonyl carbon (T/U C2)
50MASS 23   CN2  12.011000 C ! Nucleic acid aromatic carbon to amide
51MASS 24   CN3  12.011000 C ! Nucleic acid aromatic carbon
52MASS 25   CN3A 12.011000 C ! NAD+ aromatic carbon
53MASS 26   CN3B 12.011000 C ! NAD+ aromatic carbon
54MASS 27   CN3C 12.011000 C ! NADH aromatic carbon
55MASS 28   CN3D 12.011000 C ! Nucleic acid aromatic carbon for 5MC
56MASS 29   CN3T 12.011000 C ! Nucleic acid aromatic carbon, Thy C5
57MASS 30   CN4  12.011000 C ! Nucleic acid purine C8 and ADE C2
58MASS 31   CN5  12.011000 C ! Nucleic acid purine C4 and C5
59MASS 32   CN5G 12.011000 C ! Nucleic acid guanine C5
60MASS 33   CN7  12.011000 C ! Nucleic acid carbon (equivalent to protein CT1)
61MASS 34   CN7B 12.011000 C ! Nucleic acid aliphatic carbon for C1'
62MASS 35   CN7C 12.011000 C ! C2' in arabinose
63MASS 36   CN7D 12.011000 C ! C2' in nucleic acids fluorine derivatives
64MASS 37   CN8  12.011000 C ! Nucleic acid carbon (equivalent to protein CT2)
65MASS 38   CN8B 12.011000 C ! Nucleic acid carbon (equivalent to protein CT2)
66MASS 39   CN9  12.011000 C ! Nucleic acid carbon (equivalent to protein CT3)
67MASS 40   CNE1 12.011000 C ! for alkene; RHC=CR (modified thy patch Sasha)
68MASS 41   CNE2 12.011000 C ! for alkene; H2C=CR (modified thy patch Sasha)
69MASS 42   CNA  12.011000 C ! pure aromatic carbon
70MASS 43   CNA2 12.011000 C ! pure aromatic carbon bound to F
71MASS 44   CN6  12.011000 C ! carbocyclic sugar (see toppar_all27_na_carbocyclic.str)
72MASS 45   CN7E 12.011000 C ! carbocyclic sugar (see toppar_all27_na_carbocyclic.str)
73MASS 50   NN1  14.007000 N ! Nucleic acid amide nitrogen
74MASS 51   NN1C 14.007000 N ! Nucleic acid imino nitrogen (cyt taut Sasha)
75MASS 52   NN2  14.007000 N ! Nucleic acid protonated ring nitrogen
76MASS 53   NN2B 14.007000 N ! From NN2, for N9 in GUA different from ADE
77MASS 54   NN2C 14.007000 N ! Nucleic acid protonated ring nitrogen (cyt taut Sasha)
78MASS 55   NN2U 14.007000 N ! Nucleic acid protonated ring nitrogen, ura N3
79MASS 56   NN2G 14.007000 N ! Nucleic acid protonated ring nitrogen, gua N1
80MASS 57   NN3  14.007000 N ! Nucleic acid unprotonated ring nitrogen
81MASS 58   NN3A 14.007000 N ! Nucleic acid unprotonated ring nitrogen, ade N1 and N3
82MASS 59   NN3I 14.007000 N ! Nucleic acid unprotonated ring nitrogen, inosine N3
83MASS 60   NN3G 14.007000 N ! Nucleic acid unprotonated ring nitrogen, gua N3
84MASS 61   NN4  14.007000 N ! Nucleic acid purine N7
85MASS 62   NN5  14.007000 N ! Nucleic acid sp2 amine nitrogen
86MASS 63   NN6  14.007000 N ! Nucleic acid sp3 amine nitrogen (equiv to protein nh3)
87MASS 70   OT   15.999400 O ! TIPS3P WATER OXYGEN
88MASS 71   ON1  15.999400 O ! Nucleic acid carbonyl oxygen
89MASS 72   ON1C 15.999400 O ! Nucleic acid carbonyl oxygen, cyt O2
90MASS 73   ON2  15.999400 O ! Nucleic acid phosphate ester oxygen
91MASS 74   ON3  15.999400 O ! Nucleic acid =O in phosphate
92MASS 75   ON4  15.999400 O ! Nucleic acid phosphate hydroxyl oxygen
93MASS 76   ON5  15.999400 O ! Nucleic acid ribose hydroxyl oxygen
94MASS 77   ON6  15.999400 O ! Nucleic acid deoxyribose ring oxygen
95MASS 78   ON6B 15.999400 O ! Nucleic acid ribose ring oxygen
96MASS 79   ON2B 15.999400 O ! Nucleic acid phosphate ester oxygen (pres tp1/tp2, toppar_tyr_ser_thr_phosphate.str)
97MASS 80   FN1  18.998400 F ! Fluorine for sugar derivatives (NF)
98MASS 81   FNA  18.998400 F ! Aromatic fluorine
99MASS 82   P    30.974000 P ! phosphorus
100MASS 83   P2   30.974000 P ! pyrophosphate phosphorus (see toppar_all27_na_nad_ppi.str)
101MASS 84   P3   30.974000 P ! protonated pyrophosphate phosphorus (see toppar_all27_na_nad_ppi.str)
102MASS 90   SOD  22.989770 NA ! Sodium Ion
103MASS 91   MG   24.305000 MG ! Magnesium Ion
104MASS 92   POT  39.102000 K  ! Potassium Ion! check masses
105MASS 93   CES 132.900000 CS ! Cesium Ion
106MASS 94   CAL  40.080000 CA ! Calcium Ion
107MASS 95   CLA  35.450000 CL ! Chloride Ion
108MASS 96   ZN   65.370000 ZN ! zinc (II) cation
109MASS 99   DUM   0.001    H ! dummy atom
110MASS 102  CPH1 12.011000 C ! For imidazole model compound (NF)
111MASS 103  CPH2 12.011000 C ! For imidazole model compound (NF)
112MASS 104  HR3   1.008000 H ! For imidazole model compound (NF)
113MASS 105  HR1   1.008000 H ! For imidazole model compound (NF)
114MASS 106  NR1  14.007000 H ! For nitrogen in imidazol (NF)
115MASS 107  NR2  14.007000 H ! For nitrogen in imidazol (NF)
116
117DECL  +P
118DECL  +O1P
119DECL  +O2P
120DECL  +O5'
121DECL  -O3'
122
123DEFA FIRS none LAST none
124AUTOGENERATE ANGLES DIHEDRALS
125
126RESI GUA         -1.00  !               O6
127ATOM P    P       1.50  !               ||
128ATOM O1P  ON3    -0.78  !               C6
129ATOM O2P  ON3    -0.78  !              /  \
130ATOM O5'  ON2    -0.57  !          H1-N1   C5--N7\\
131ATOM C5'  CN8B   -0.08  !             |    ||     C8-H8
132ATOM H5'  HN8     0.09  !             C2   C4--N9/
133ATOM H5'' HN8     0.09  !            / \\ /      \
134GROUP                   !      H21-N2   N3        \
135ATOM C4'  CN7     0.16  !          |               \
136ATOM H4'  HN7     0.09  !         H22               \
137ATOM O4'  ON6B   -0.50  !                            \
138ATOM C1'  CN7B    0.16  !        O1P    H5' H4'  O4'  \
139ATOM H1'  HN7     0.09  !         |      |    \ /   \  \
140GROUP                   !        -P-O5'-C5'---C4'    C1'
141ATOM N9   NN2B   -0.02  !         |      |     \     / \
142ATOM C4   CN5     0.26  !        O2P    H5''   C3'--C2' H1'
143ATOM N2   NN1    -0.68  !                      / \   / \
144ATOM H21  HN1     0.32  !                     O3' H3' O2' H2''
145ATOM H22  HN1     0.35  !                     |       |
146ATOM N3   NN3G   -0.74  !                             H2'
147ATOM C2   CN2     0.75
148ATOM N1   NN2G   -0.34
149ATOM H1   HN2     0.26
150ATOM C6   CN1     0.54
151ATOM O6   ON1    -0.51
152ATOM C5   CN5G    0.00
153ATOM N7   NN4    -0.60
154ATOM C8   CN4     0.25
155ATOM H8   HN3     0.16
156GROUP
157ATOM C2'  CN7B    0.14
158ATOM H2'' HN7     0.09
159ATOM O2'  ON5    -0.66
160ATOM H2'  HN5     0.43
161GROUP
162ATOM C3'  CN7     0.01
163ATOM H3'  HN7     0.09
164ATOM O3'  ON2    -0.57
165BOND P    O1P       P    O2P       P     O5'
166BOND O5'  C5'       C5'  C4'       C4'  O4'       C4'  C3'       O4'  C1'
167BOND C1'  N9        C1'  C2'       N9   C4        N9   C8        C4   N3
168BOND C2   N2        C2   N1        N2   H21
169BOND N2   H22       N1   H1        N1   C6        C6   C5
170BOND C5   N7        C2'  C3'       C3'  O3'       O3'  +P
171BOND C2'  O2'       O2'  H2'
172BOND C1'  H1'       C2'  H2''      C3'  H3'       C4'  H4'       C5'  H5'
173BOND C5'  H5''      C8   H8
174DOUBLE   C2  N3     C4   C5        N7   C8        C6   O6
175IMPR C2   N3   N1   N2        C6   N1   C5   O6        N2   H21  C2   H22
176DONO H21  N2
177DONO H22  N2
178DONO H1   N1
179DONO H2'  O2'
180ACCE O6   C6
181ACCE N3
182ACCE N7
183ACCE O1P  P
184ACCE O2P  P
185ACCE O2'
186ACCE O3'
187ACCE O4'
188ACCE O5'
189! Chi and sugar-phosphate backbone in B-DNA like conformation
190BILD -O3' P    O5'  C5'    1.6001  101.45  -46.90  119.00   1.4401 !alpha
191BILD -O3' O5'  *P   O1P    1.6001  101.45 -115.82  109.74   1.4802
192BILD -O3' O5'  *P   O2P    1.6001  101.45  115.90  109.80   1.4801
193BILD  P   O5'  C5'  C4'    1.5996  119.00 -146.00  110.04   1.5160 !beta
194BILD O5'  C5'  C4'  C3'    1.4401  108.83   60.00  116.10   1.5284 !gamma
195BILD C5'  C4'  C3'  O3'    1.5160  116.10  140.00  115.12   1.4212 !delta
196BILD C4'  C3'  O3'  +P     1.5284  111.92  155.00  119.05   1.6001 !epsilon
197BILD C3'  O3'  +P   +O5'   1.4212  119.05  -95.20  101.45   1.5996 !zeta
198BILD O4'  C3'  *C4' C5'    1.4572  104.06 -120.04  116.10   1.5160
199BILD C2'  C4'  *C3' O3'    1.5284  100.16 -124.08  115.12   1.4212
200BILD C4'  C3'  C2'  C1'    1.5284  100.16  -30.00  102.04   1.5251 !puck
201BILD C3'  C2'  C1'  N9     1.5284  101.97  147.80  113.71   1.4896
202BILD O4'  C1'  N9   C4     1.5251  113.71  -97.2   125.59   1.3783 !chi
203BILD C1'  C4   *N9  C8     1.4896  125.59 -179.99  106.0    1.374
204BILD C4   N9   C8   N7     1.377   106.0     0.0   113.5    1.304
205BILD C8   N9   C4   C5     1.374   106.0     0.0   105.6    1.377
206BILD N9   C5   *C4  N3     1.377   105.6   180.0   128.4    1.355
207BILD C5   C4   N3   C2     1.377   128.4     0.0   111.8    1.327
208BILD C4   N3   C2   N1     1.355   111.8     0.0   124.0    1.375
209BILD N1   N3   *C2  N2     1.375   124.0   180.0   119.7    1.341
210BILD N3   C2   N2   H21    1.327   119.7   180.0   127.0    1.01
211BILD H21  C2   *N2  H22    1.01    127.0  -180.0   116.5    1.01
212BILD N3   C2   N1   C6     1.327   124.0     0.0   124.9    1.393
213BILD C6   C2   *N1  H1     1.393   124.9   180.0   117.4    1.03
214BILD C5   N1   *C6  O6     1.415   111.7   180.0   120.0    1.239
215BILD N9   N7   *C8  H8     0.0       0.0   180.0     0.0    0.0
216BILD C1'  C3'  *C2' O2'    1.5284  102.04 -114.67  110.81   1.4212
217BILD H2'  O2'  C2'  C3'    0.9600  114.97  148.63  111.92   1.5284
218BILD O4'  C2'  *C1' H1'    0.0       0.0  -115.0     0.0    0.0
219BILD C1'  C3'  *C2' H2''   0.0       0.0   115.0     0.0    0.0
220BILD C2'  C4'  *C3' H3'    0.0       0.0   115.0     0.0    0.0
221BILD C3'  O4'  *C4' H4'    0.0       0.0  -115.0     0.0    0.0
222BILD C4'  O5'  *C5' H5'    0.0       0.0  -115.0     0.0    0.0
223BILD C4'  O5'  *C5' H5''   0.0       0.0   115.0     0.0    0.0
224
225
226RESI ADE         -1.00  !             H61  H62!
227ATOM P    P       1.50  !               \  /
228ATOM O1P  ON3    -0.78  !                N6
229ATOM O2P  ON3    -0.78  !                |
230ATOM O5'  ON2    -0.57  !                C6
231ATOM C5'  CN8B   -0.08  !              //  \
232ATOM H5'  HN8     0.09  !              N1   C5--N7\\
233ATOM H5'' HN8     0.09  !              |    ||     C8-H8
234GROUP                   !              C2   C4--N9/
235ATOM C4'  CN7     0.16  !             / \\ /     \
236ATOM H4'  HN7     0.09  !           H2   N3       \
237ATOM O4'  ON6B   -0.50  !                          \
238ATOM C1'  CN7B    0.16  !                           \
239ATOM H1'  HN7     0.09  !                            \
240GROUP                   !        O1P    H5' H4'  O4'  \
241ATOM N9   NN2    -0.05  !         |      |    \ /   \  \
242ATOM C5   CN5     0.28  !        -P-O5'-C5'---C4'    C1'
243ATOM N7   NN4    -0.71  !         |      |     \     / \
244ATOM C8   CN4     0.34  !        O2P    H5''   C3'--C2' H1'
245ATOM H8   HN3     0.12  !                     / \   / \
246ATOM N1   NN3A   -0.74  !                  O3' H3' O2' H2''
247ATOM C2   CN4     0.50  !                   |       |
248ATOM H2   HN3     0.13  !                          H2'
249ATOM N3   NN3A   -0.75
250ATOM C4   CN5     0.43
251ATOM C6   CN2     0.46
252ATOM N6   NN1    -0.77
253ATOM H61  HN1     0.38
254ATOM H62  HN1     0.38
255GROUP
256ATOM C2'  CN7B    0.14
257ATOM H2'' HN7     0.09
258ATOM O2'  ON5    -0.66
259ATOM H2'  HN5     0.43
260GROUP
261ATOM C3'  CN7     0.01
262ATOM H3'  HN7     0.09
263ATOM O3'  ON2    -0.57
264BOND P    O1P       P    O2P       P     O5'
265BOND O5'  C5'       C5'  C4'       C4'  O4'       C4'  C3'       O4'  C1'
266BOND C1'  N9        C1'  C2'       N9   C4        N9   C8        C4   N3
267BOND C2   N1        C6   N6
268BOND N6   H61       N6   H62       C6   C5        C5   N7
269BOND C2'  C3'       C2'  O2'       O2'  H2'       C3'  O3'       O3'  +P
270BOND C1'  H1'       C2'  H2''      C3'  H3'       C4'  H4'       C5'  H5'
271BOND C5'  H5''      C8   H8        C2   H2
272DOUBLE  N1  C6      C2   N3        C4   C5        N7   C8
273IMPR N6   C6   H61  H62        C6   N1   C5   N6
274DONO H61  N6
275DONO H62  N6
276DONO H2'  O2'
277ACCE N3
278ACCE N7
279ACCE N1
280ACCE O1P  P
281ACCE O2P  P
282ACCE O2'
283ACCE O3'
284ACCE O4'
285ACCE O5'
286BILD -O3' P    O5'  C5'    1.6001  101.45  -46.90  119.00   1.4401 !alpha
287BILD -O3' O5'  *P   O1P    1.6001  101.45 -115.82  109.74   1.4802
288BILD -O3' O5'  *P   O2P    1.6001  101.45  115.90  109.80   1.4801
289BILD  P   O5'  C5'  C4'    1.5996  119.00 -146.00  110.04   1.5160 !beta
290BILD O5'  C5'  C4'  C3'    1.4401  108.83   60.00  116.10   1.5284 !gamma
291BILD C5'  C4'  C3'  O3'    1.5160  116.10  140.00  115.12   1.4212 !delta
292BILD C4'  C3'  O3'  +P     1.5284  111.92  155.00  119.05   1.6001 !epsilon
293BILD C3'  O3'  +P   +O5'   1.4212  119.05  -95.20  101.45   1.5996 !zeta
294BILD O4'  C3'  *C4' C5'    1.4572  104.06 -120.04  116.10   1.5160
295BILD C2'  C4'  *C3' O3'    1.5284  100.16 -124.08  115.12   1.4212
296BILD C4'  C3'  C2'  C1'    1.5284  100.16  -30.00  102.04   1.5251 !puck
297BILD C3'  C2'  C1'  N9     1.5284  101.97  147.80  113.71   1.4896
298BILD O4'  C1'  N9   C4     1.5251  113.71  -97.2   125.59   1.3783 !chi
299BILD C1'  C4   *N9  C8     1.4896  125.97 -179.94  106.0    1.367
300BILD C4   N9   C8   N7     1.376   106.0     0.0   113.6    1.312
301BILD C8   N9   C4   C5     1.367   106.0     0.0   105.6    1.382
302BILD C8   N7   C5   C6     0.0       0.0   180.0     0.0    0.0
303BILD N7   C5   C6   N1     0.0       0.0   180.0     0.0    0.0
304BILD C5   C6   N1   C2     0.0       0.0     0.0     0.0    0.0
305BILD N9   C5   *C4  N3     1.376   105.6  -180.0   126.9    1.342
306BILD C5   N1   *C6  N6     1.409   117.6  -180.0   121.2    1.337
307BILD N1   C6   N6   H61    1.337   121.2     0.0   119.0    1.01
308BILD H61  C6   *N6  H62    1.01    119.0   180.0   119.00   1.01
309BILD C5   N1   *C6  N6     1.409   117.6  -180.0   119.0    1.337
310BILD N1   C6   N6   H61    1.337   119.0     0.0   119.0    1.01
311BILD H61  C6   *N6  H62    1.01    119.0   180.0   121.00   1.01
312BILD N9   N7   *C8   H8    0.0       0.0   180.0     0.0    0.0
313BILD N1   N3   *C2   H2    0.0       0.0   180.0     0.0    0.0
314BILD C1'  C3'  *C2' O2'    1.5284  102.04 -114.67  110.81   1.4212
315BILD H2'  O2'  C2'  C3'    0.9600  114.97  148.63  111.92   1.5284
316BILD O4'  C2'  *C1' H1'    0.0       0.0  -115.0     0.0    0.0
317BILD C1'  C3'  *C2' H2''   0.0       0.0   115.0     0.0    0.0
318BILD C2'  C4'  *C3' H3'    0.0       0.0   115.0     0.0    0.0
319BILD C3'  O4'  *C4' H4'    0.0       0.0  -115.0     0.0    0.0
320BILD C4'  O5'  *C5' H5'    0.0       0.0  -115.0     0.0    0.0
321BILD C4'  O5'  *C5' H5''   0.0       0.0   115.0     0.0    0.0
322
323RESI CYT         -1.00
324ATOM P    P       1.50  !
325ATOM O1P  ON3    -0.78  !                      H42  H41
326ATOM O2P  ON3    -0.78  !                        \  /
327ATOM O5'  ON2    -0.57  !                         N4
328ATOM C5'  CN8B   -0.08  !                         |
329ATOM H5'  HN8     0.09  !                         C4
330ATOM H5'' HN8     0.09  !                        /  \\
331GROUP                   !                    H5-C5   N3
332ATOM C4'  CN7     0.16  !                       ||   |
333ATOM H4'  HN7     0.09  !                    H6-C6   C2
334ATOM O4'  ON6B   -0.50  !                        \  / \\
335ATOM C1'  CN7B    0.16  !                         N1   O2
336ATOM H1'  HN7     0.09  !                          \
337GROUP                   !                           \
338ATOM N1   NN2    -0.13  !                            \
339ATOM C6   CN3     0.05  !        O1P    H5' H4'  O4'  \
340ATOM H6   HN3     0.17  !         |      |    \ /   \  \
341ATOM C5   CN3    -0.13  !        -P-O5'-C5'---C4'    C1'
342ATOM H5   HN3     0.07  !         |      |     \     / \
343ATOM C2   CN1     0.52  !        O2P    H5''   C3'--C2' H1'
344ATOM O2   ON1C   -0.49  !                     / \   / \
345ATOM N3   NN3    -0.66  !                  O3' H3' O2' H2''
346ATOM C4   CN2     0.65  !                   |       |
347ATOM N4   NN1    -0.75  !                          H2'
348ATOM H41  HN1     0.37
349ATOM H42  HN1     0.33
350GROUP
351ATOM C2'  CN7B    0.14
352ATOM H2'' HN7     0.09
353ATOM O2'  ON5    -0.66
354ATOM H2'  HN5     0.43
355GROUP
356ATOM C3'  CN7     0.01
357ATOM H3'  HN7     0.09
358ATOM O3'  ON2    -0.57
359BOND P    O1P       P    O2P       P     O5'
360BOND O5'  C5'       C5'  C4'       C4'  O4'       C4'  C3'       O4'  C1'
361BOND C1'  N1        C1'  C2'       N1   C2        N1   C6
362BOND C2   N3        C4   N4        N4   H41       N4   H42
363BOND C4   C5        C2'  C3'       C3'  O3'       O3'  +P
364BOND C2'  O2'       O2'  H2'
365BOND C1'  H1'       C2'  H2''      C3'  H3'       C4'  H4'       C5'  H5'
366BOND C5'  H5''      C5   H5        C6   H6
367DOUBLE   C2   O2    C5   C6        N3   C4
368IMPR C2   N1   N3   O2        C4   N3   C5   N4
369IMPR N4   C4   H41  H42
370DONO H42  N4
371DONO H2'  O2'
372DONO H41  N4
373ACCE O2   C2
374ACCE N3
375ACCE O1P  P
376ACCE O2P  P
377ACCE O2'
378ACCE O3'
379ACCE O4'
380ACCE O5'
381
382BILD -O3' P    O5'  C5'    1.6001  101.45  -46.90  119.00   1.4401 !alpha
383BILD -O3' O5'  *P   O1P    1.6001  101.45 -115.82  109.74   1.4802
384BILD -O3' O5'  *P   O2P    1.6001  101.45  115.90  109.80   1.4801
385BILD  P   O5'  C5'  C4'    1.5996  119.00 -146.00  110.04   1.5160 !beta
386BILD O5'  C5'  C4'  C3'    1.4401  108.83   60.00  116.10   1.5284 !gamma
387BILD C5'  C4'  C3'  O3'    1.5160  116.10  140.00  115.12   1.4212 !delta
388BILD C4'  C3'  O3'  +P     1.5284  111.92  155.00  119.05   1.6001 !epsilon
389BILD C3'  O3'  +P   +O5'   1.4212  119.05  -95.20  101.45   1.5996 !zeta
390BILD O4'  C3'  *C4' C5'    1.4572  104.06 -120.04  116.10   1.5160
391BILD C2'  C4'  *C3' O3'    1.5284  100.16 -124.08  115.12   1.4212
392BILD C4'  C3'  C2'  C1'    1.5284  100.16  -30.00  102.04   1.5251
393BILD C3'  C2'  C1'  N1     1.5284  101.97  147.89  113.71   1.4896
394BILD O4'  C1'  N1   C2     1.5251  113.71  -97.2   125.59   1.3783 !chi
395BILD C1'  C2   *N1  C6     1.4896  117.79 -180.00  120.6    1.364
396BILD C2   N1   C6   C5     1.399   120.6     0.0   121.0    1.337
397BILD C6   N1   C2   N3     1.364   120.6     0.0   118.9    1.356
398BILD N1   N3   *C2  O2     1.399   118.9   180.0   121.9    1.237
399BILD N1   C2   N3   C4     1.399   118.9     0.0   120.0    1.334
400BILD C5   N3   *C4  N4     1.426   121.8   180.00  118.9    1.337
401BILD N3   C4   N4   H41    1.337   117.9     0.00  118.9    1.01
402BILD H41  C4   *N4  H42    1.01    118.9   180.00  120.7    1.01
403BILD C6   C4   *C5  H5     0.0       0.0   180.0     0.0    0.0
404BILD N1   C5   *C6  H6     0.0       0.0   180.0     0.0    0.0
405BILD C1'  C3'  *C2' O2'    1.5284  102.04 -114.67  110.81   1.4212
406BILD H2'  O2'  C2'  C3'    0.9600  114.97  148.63  111.92   1.5284
407BILD O4'  C2'  *C1' H1'    0.0       0.0  -115.0     0.0    0.0
408BILD C1'  C3'  *C2' H2''   0.0       0.0   115.0     0.0    0.0
409BILD C2'  C4'  *C3' H3'    0.0       0.0   115.0     0.0    0.0
410BILD C3'  O4'  *C4' H4'    0.0       0.0  -115.0     0.0    0.0
411BILD C4'  O5'  *C5' H5'    0.0       0.0  -115.0     0.0    0.0
412BILD C4'  O5'  *C5' H5''   0.0       0.0   115.0     0.0    0.0
413
414RESI THY         -1.00  !                  H51    O4
415ATOM P    P       1.50  !                   |     ||
416ATOM O1P  ON3    -0.78  !               H52-C5M   C4    H3
417ATOM O2P  ON3    -0.78  !                   |  \ /  \  /
418ATOM O5'  ON2    -0.57  !                  H53  C5   N3
419ATOM C5'  CN8B   -0.08  !                       ||   |
420ATOM H5'  HN8     0.09  !                    H6-C6   C2
421ATOM H5'' HN8     0.09  !                        \  / \\
422GROUP                   !                         N1   O2
423ATOM C4'  CN7     0.16  !                          \
424ATOM H4'  HN7     0.09  !                           \
425ATOM O4'  ON6B   -0.50  !                            \
426ATOM C1'  CN7B    0.16  !        O1P    H5' H4'  O4'  \
427ATOM H1'  HN7     0.09  !         |      |    \ /   \  \
428GROUP                   !        -P-O5'-C5'---C4'    C1'
429ATOM N1   NN2B   -0.34  !         |      |     \     / \
430ATOM C6   CN3     0.17  !        O2P    H5''   C3'--C2' H1'
431ATOM H6   HN3     0.17  !                     / \   / \
432ATOM C2   CN1T    0.51  !                   O3' H3' O2' H2''
433ATOM O2   ON1    -0.41  !                    |       |
434ATOM N3   NN2U   -0.46  !                           H2'
435ATOM H3   HN2     0.36  !
436ATOM C4   CN1     0.50  !
437ATOM O4   ON1    -0.45  !
438ATOM C5   CN3T   -0.15
439ATOM C5M  CN9    -0.11
440ATOM H51  HN9     0.07
441ATOM H52  HN9     0.07
442ATOM H53  HN9     0.07
443GROUP
444ATOM C2'  CN7B    0.14
445ATOM H2'' HN7     0.09
446ATOM O2'  ON5    -0.66
447ATOM H2'  HN5     0.43
448GROUP
449ATOM C3'  CN7     0.01
450ATOM H3'  HN7     0.09
451ATOM O3'  ON2    -0.57
452BOND P    O1P       P    O2P       P     O5'
453BOND O5'  C5'       C5'  C4'       C4'  O4'       C4'  C3'       O4'  C1'
454BOND C1'  N1        C1'  C2'       N1   C2        N1   C6
455BOND C2   N3        N3   H3        N3   C4       C4   C5
456BOND C5   C5M       C2'  C3'       C3'  O3'       O3'  +P
457BOND C2'  O2'       O2'  H2'
458BOND C1'  H1'       C2'  H2''      C3'  H3'       C4'  H4'       C5'  H5'
459BOND C5'  H5''      C6   H6        C5M  H51       C5M  H52       C5M  H53
460DOUBLE  C2   O2     C4   O4        C5   C6
461IMPR C2   N1   N3   O2        C4   N3   C5   O4        C5   C4   C6   C5M
462DONO H3   N3
463DONO H2'  O2'
464ACCE O2   C2
465ACCE O4   C4
466ACCE O1P  P
467ACCE O2P  P
468ACCE O2'
469ACCE O3'
470ACCE O4'
471ACCE O5'
472
473BILD -O3' P    O5'  C5'    1.6001  101.45  -46.90  119.00   1.4401 !alpha
474BILD -O3' O5'  *P   O1P    1.6001  101.45 -115.82  109.74   1.4802
475BILD -O3' O5'  *P   O2P    1.6001  101.45  115.90  109.80   1.4801
476BILD  P   O5'  C5'  C4'    1.5996  119.00 -146.00  110.04   1.5160 !beta
477BILD O5'  C5'  C4'  C3'    1.4401  108.83   60.00  116.10   1.5284
478BILD C5'  C4'  C3'  O3'    1.5160  116.10  140.00  115.12   1.4212
479BILD C4'  C3'  O3'  +P     1.5284  111.92  155.00  119.05   1.6001
480BILD C3'  O3'  +P   +O5'   1.4212  119.05  -95.20  101.45   1.5996
481BILD O4'  C3'  *C4' C5'    1.4572  104.06 -120.04  116.10   1.5160
482BILD C2'  C4'  *C3' O3'    1.5284  100.16 -124.08  115.12   1.4212
483BILD C4'  C3'  C2'  C1'    1.5284  100.16  -30.00  102.04   1.5251
484BILD C3'  C2'  C1'  N1     1.5284  101.97  147.89  113.71   1.4896
485BILD O4'  C1'  N1   C2     1.5251  113.71  -97.2   125.59   1.3783 !chi
486BILD C1'  C2   *N1  C6     1.4896  117.06 -179.96  122.08   1.3704
487BILD C2   N1   C6   C5     1.3746  122.08   -0.02  121.23   1.3432
488BILD C6   N1   C2   N3     1.3704  122.08    0.06  115.38   1.3813
489BILD N1   N3   *C2  O2     1.3746  115.38 -179.95  121.70   1.2191
490BILD N1   C2   N3   C4     1.3746  115.38   -0.07  126.46   1.3795
491BILD C5   N3   *C4  O4     1.4439  114.07  179.98  120.59   1.2327
492BILD C2   C4   *N3  H3     1.3813  126.46  180.00  116.77   1.0900
493BILD C4   C6   *C5  C5M    1.4439  120.78 -179.94  121.63   1.5000
494BILD N1   C5   *C6  H6     0.0       0.0   180.0     0.0    0.0
495BILD C6   C5   C5M  H51    0.0       0.0     0.0     0.0    0.0
496BILD C5   H51  *C5M H52    0.0       0.0   115.0     0.0    0.0
497BILD H51  H52  *C5M H53    0.0       0.0  -115.0     0.0    0.0
498BILD C1'  C3'  *C2' O2'    1.5284  102.04 -114.67  110.81   1.4212
499BILD H2'  O2'  C2'  C3'    0.9600  114.97  148.63  111.92   1.5284
500BILD O4'  C2'  *C1' H1'    0.0       0.0  -115.0     0.0    0.0
501BILD C1'  C3'  *C2' H2''   0.0       0.0   115.0     0.0    0.0
502BILD C2'  C4'  *C3' H3'    0.0       0.0   115.0     0.0    0.0
503BILD C3'  O4'  *C4' H4'    0.0       0.0  -115.0     0.0    0.0
504BILD C4'  O5'  *C5' H5'    0.0       0.0  -115.0     0.0    0.0
505BILD C4'  O5'  *C5' H5''   0.0       0.    115.0     0.0    0.0
506
507RESI URA         -1.00  !                         O4
508ATOM P    P       1.50  !                         ||
509ATOM O1P  ON3    -0.78  !                         C4    H3
510ATOM O2P  ON3    -0.78  !                        /  \  /
511ATOM O5'  ON2    -0.57  !                    H5-C5   N3
512ATOM C5'  CN8B   -0.08  !                       ||   |
513ATOM H5'  HN8     0.09  !                    H6-C6   C2
514ATOM H5'' HN8     0.09  !                        \  / \\
515GROUP                   !                         N1   O2
516ATOM C4'  CN7     0.16  !                          \
517ATOM H4'  HN7     0.09  !                           \
518ATOM O4'  ON6B   -0.50  !                            \
519ATOM C1'  CN7B    0.16  !        O1P    H5' H4'  O4'  \
520ATOM H1'  HN7     0.09  !         |      |    \ /   \  \
521GROUP                   !        -P-O5'-C5'---C4'    C1'
522ATOM N1   NN2B   -0.34  !         |      |     \     / \
523ATOM C6   CN3     0.20  !        O2P    H5''   C3'--C2' H1'
524ATOM H6   HN3     0.14  !                     / \   / \
525ATOM C2   CN1T    0.55  !                   O3' H3' O2' H2''
526ATOM O2   ON1    -0.45  !                    |       |
527ATOM N3   NN2U   -0.46  !                           H2'
528ATOM H3   HN2     0.36  !
529ATOM C4   CN1     0.53  !
530ATOM O4   ON1    -0.48  !
531ATOM C5   CN3    -0.15  !
532ATOM H5   HN3     0.10  !
533GROUP
534ATOM C2'  CN7B    0.14
535ATOM H2'' HN7     0.09
536ATOM O2'  ON5    -0.66
537ATOM H2'  HN5     0.43
538GROUP
539ATOM C3'  CN7     0.01
540ATOM H3'  HN7     0.09
541ATOM O3'  ON2    -0.57
542BOND P    O1P       P    O2P       P     O5'
543BOND O5'  C5'       C5'  C4'       C4'  O4'       C4'  C3'       O4'  C1'
544BOND C1'  N1        C1'  C2'       N1   C2        N1   C6
545BOND C2   N3        N3   H3        N3   C4        C4   C5
546BOND C2'  C3'       C3'  O3'       O3'  +P
547BOND C2'  O2'       O2'  H2'
548BOND C1'  H1'       C2'  H2''      C3'  H3'       C4'  H4'       C5'  H5'
549BOND C5'  H5''      C5   H5        C6   H6
550DOUBLE  C2   O2     C4   O4        C5   C6
551IMPR C2   N1   N3   O2        C4   N3   C5   O4
552DONO H3   N3
553DONO H2'  O2'
554ACCE O2   C2
555ACCE O4   C4
556ACCE O1P  P
557ACCE O2P  P
558ACCE O2'
559ACCE O3'
560ACCE O4'
561ACCE O5'
562BILD -O3' P    O5'  C5'    1.6001  101.45  -39.25  119.00   1.4401
563BILD -O3' O5'  *P   O1P    1.6001  101.45 -115.82  109.74   1.4802
564BILD -O3' O5'  *P   O2P    1.6001  101.45  115.90  109.80   1.4801
565BILD  P   O5'  C5'  C4'    1.5996  119.00 -151.39  110.04   1.5160
566BILD O5'  C5'  C4'  C3'    1.4401  108.83 -179.85  116.10   1.5284
567BILD C5'  C4'  C3'  O3'    1.5160  116.10   76.70  115.12   1.4212
568BILD C4'  C3'  O3'  +P     1.5284  111.92  159.13  119.05   1.6001
569BILD C3'  O3'  +P   +O5'   1.4212  119.05  -98.86  101.45   1.5996
570BILD O4'  C3'  *C4' C5'    1.4572  104.06 -120.04  116.10   1.5160
571BILD C2'  C4'  *C3' O3'    1.5284  100.16 -124.08  115.12   1.4212
572BILD C4'  C3'  C2'  C1'    1.5284  100.16   39.58  102.04   1.5251
573BILD C3'  C2'  C1'  N1     1.5284  101.97  144.39  113.71   1.4896
574BILD O4'  C1'  N1   C2     1.5251  113.71  -96.0   117.06   1.3746
575BILD C1'  C2   *N1  C6     1.4896  117.06 -180.0   121.3    1.379
576BILD C2   N1   C6   C5     1.379   121.3     0.0   122.8    1.338
577BILD C6   N1   C2   N3     1.380   121.3     0.0   114.8    1.373
578BILD N1   N3   *C2  O2     1.379   114.8  -180.0   122.0    1.218
579BILD N1   C2   N3   C4     1.379   114.8     0.0   127.0    1.383
580BILD C5   N3   *C4  O4     1.440   114.7   180.0   119.8    1.227
581BILD C2   C4   *N3  H3     1.373   127.0   180.0   116.5    1.03
582BILD C6   C4   *C5  H5     0.0       0.0   180.0     0.0    0.0
583BILD N1   C5   *C6  H6     0.0       0.0   180.0     0.0    0.0
584BILD C1'  C3'  *C2' O2'    1.5284  102.04 -114.67  110.81   1.4212
585BILD H2'  O2'  C2'  C3'    0.9600  114.97  148.63  111.92   1.5284
586BILD O4'  C2'  *C1' H1'    0.0       0.0  -115.0     0.0    0.0
587BILD C1'  C3'  *C2' H2''   0.0       0.0   115.0     0.0    0.0
588BILD C2'  C4'  *C3' H3'    0.0       0.0   115.0     0.0    0.0
589BILD C3'  O4'  *C4' H4'    0.0       0.0  -115.0     0.0    0.0
590BILD C4'  O5'  *C5' H5'    0.0       0.0  -115.0     0.0    0.0
591BILD C4'  O5'  *C5' H5''   0.0       0.0   115.0     0.0    0.0
592
593! NOTE the option to regenerate all angles and dihedrals allows
594! the explicit inclusion of the THET and DIHE terms to be omitted
595! even if the PRES is used in a PATCH statement.  It is important to
596! inspect the patches prior to use to determine if they should be used
597! in a GENErate or PATCh statement and/or if the AUTOgeneration of
598! angles and dihedrals is required.
599! see AUTOgen ANGLes DIHEdrals in STRUCTURE section of the
600! documentation
601
602PRES DEO1         0.000 ! Patch to make DEOXYribose in PYRIMIDINES
603DELETE ATOM O2'         ! necessary due to auto-generate dihedrals
604
605GROUP ! To correct O4' atom type in DNA (NF)
606ATOM C4'  CN7     0.16  !
607ATOM H4'  HN7     0.09  !
608ATOM O4'  ON6    -0.50  !
609ATOM C1'  CN7B    0.16  !
610ATOM H1'  HN7     0.09  !
611GROUP
612ATOM C2'  CN8    -0.18
613ATOM H2'  HN8     0.09
614ATOM H2'' HN8     0.09
615
616BOND C2'  H2'
617THET C1'  C2'  H2'   C3'  C2'  H2'   H2'  C2'  H2''
618DIHE H2'  C2'  C1'  O4'   H2'  C2'  C1'  N1    H2'  C2'  C1'  H1'
619DIHE H2'  C2'  C3'  C4'   H2'  C2'  C3'  O3'   H2'  C2'  C3'  H3'
620BILD C1'  C3'  *C2' H2' 0.0 0.0 -115.0 0.0 0.0
621
622PRES DEO2         0.000 ! Patch to make DEOXYribose in PURINES
623DELETE ATOM O2'         ! necessary due to auto-generate dihedrals
624
625GROUP ! To correct O4' atom type in DNA (NF)
626ATOM C4'  CN7     0.16  !
627ATOM H4'  HN7     0.09  !
628ATOM O4'  ON6    -0.50  !
629ATOM C1'  CN7B    0.16  !
630ATOM H1'  HN7     0.09  !
631GROUP
632ATOM C2'  CN8    -0.18
633ATOM H2'  HN8     0.09
634ATOM H2'' HN8     0.09
635
636BOND C2'  H2'
637THET C1'  C2'  H2'   C3'  C2'  H2'   H2'  C2'  H2''
638DIHE H2'  C2'  C1'  O4'   H2'  C2'  C1'  N9    H2'  C2'  C1'  H1'
639DIHE H2'  C2'  C3'  C4'   H2'  C2'  C3'  O3'   H2'  C2'  C3'  H3'
640BILD C1'  C3'  *C2' H2' 0.0 0.0 -115.0 0.0 0.0
641
642PRES 5TER         0.00  ! 5'-terminal HYDROXYL patch, from MeOH
643                        ! use in generate statement
644GROUP
645ATOM H5T  HN5     0.43
646ATOM O5'  ON5    -0.66
647ATOM C5'  CN8B    0.05
648ATOM H5'  HN8     0.09
649ATOM H5'' HN8     0.09
650!
651DELETE ATOM P
652DELETE ATOM O1P
653DELETE ATOM O2P
654!
655BOND H5T   O5'
656DONO H5T   O5'
657BILD H5T  O5'   C5'  C4'   0.0000    0.00  180.00    0.00   0.0000
658
659PRES 5MET         0.00  ! 5'-ribose METHYL patch
660                        ! use in generate statement
661GROUP
662ATOM C5'  CN9    -0.27
663ATOM H5'  HN9     0.09
664ATOM H5'' HN9     0.09
665ATOM H53' HN9     0.09  ! Can't use ''' and avoid conflict with THY
666!
667DELETE ATOM O5'
668DELETE ATOM P
669DELETE ATOM O1P
670DELETE ATOM O2P
671!
672BOND C5' H53'
673IC  C3'   C4'   C5'   H53'   0.0000    0.00  180.00    0.00   0.0000
674IC  H53'  C4'   *C5'  H5'    0.0000    0.00  120.00    0.00   0.0000
675IC  H53'  C4'   *C5'  H5''   0.0000    0.00 -120.00    0.00   0.0000
676
677PRES 5PHO        -1.00  ! 5'terminal PHOSPHATE patch
678                        ! use in generate statement
679GROUP
680ATOM C5'  CN8B   -0.08
681ATOM H5'  HN8     0.09
682ATOM H5'' HN8     0.09
683ATOM P    P       1.50
684ATOM O1P  ON3    -0.82
685ATOM O2P  ON3    -0.82
686ATOM O5'  ON2    -0.62
687ATOM O5T  ON4    -0.68
688ATOM H5T  HN4     0.34
689BOND O5T  P     H5T  O5T
690DONO H5T  O5T
691! Built in B-DNA-like conformation (NF)
692BILD C4'   C5'  O5' P      0.0000  000.00 -146.00   000.00   0.0000
693BILD C5'   O5'  P   O5T    0.0000  000.00  -46.90   000.00   0.0000
694BILD O5T   O5'  *P  O1P    0.0000  000.00 -115.82   000.00   0.0000
695BILD O5T   O5'  *P  O2P    0.0000  000.00  115.90   000.00   0.0000
696BILD H5T   O5T  P   O5'    0.0000  000.00  -95.20   000.00   0.0000
697
698PRES 5POM        -1.00  ! 5'terminal Methyl-Phosphate patch
699                        ! use in generate statement
700GROUP
701ATOM C5'  CN8B   -0.08
702ATOM H5'  HN8     0.09
703ATOM H5'' HN8     0.09
704ATOM P    P       1.50
705ATOM O1P  ON3    -0.78
706ATOM O2P  ON3    -0.78
707ATOM O5'  ON2    -0.57
708ATOM O5T  ON2    -0.57
709ATOM C5T  CN9    -0.17
710ATOM H5T1 HN9     0.09
711ATOM H5T2 HN9     0.09
712ATOM H5T3 HN9     0.09
713
714BOND O5T  P     O5T	C5T	C5T 	H5T1	C5T     H5T2
715BOND C5T     H5T3
716!DONO H5T  O5T
717! Built in B-DNA-like conformation (NF)
718BILD C4'   C5'  O5' P      0.0000  000.00 -146.00   000.00   0.0000
719BILD C5'   O5'  P   O5T    0.0000  000.00  -46.90   000.00   0.0000
720BILD O5T   O5'  *P  O1P    0.0000  000.00 -115.82   000.00   0.0000
721BILD O5T   O5'  *P  O2P    0.0000  000.00  115.90   000.00   0.0000
722BILD C5T   O5T  P   O5'    0.0000  000.00  -95.20   000.00   0.0000
723BILD H5T1  C5T   O5T  P    0.0000  000.00  180.20   000.00   0.0000
724BILD H5T2  C5T   O5T  P    0.0000  000.00   60.00   000.00   0.0000
725BILD H5T3  C5T   O5T  P    0.0000  000.00  -60.00   000.00   0.0000
726
727PRES 3TER         0.00  ! 3'terminal HYDROXYL patch, from MeOH
728                        ! use in generate statement
729GROUP
730ATOM C3'  CN7     0.14
731ATOM H3'  HN7     0.09
732ATOM O3'  ON5    -0.66
733ATOM H3T  HN5     0.43
734BOND O3'  H3T
735DONO H3T  O3'
736BILD H3T  O3'   C3'  C4'   0.9600  114.97  148.63  111.92   1.5284
737
738PRES 3PHO        -1.00  ! 3'terminal PHOSPHATE patch
739                        ! use in generate statement
740GROUP
741ATOM C3'  CN7     0.01
742ATOM H3'  HN7     0.09
743ATOM P3   P       1.50
744ATOM O1P3 ON3    -0.82
745ATOM O2P3 ON3    -0.82
746ATOM O3'  ON2    -0.62
747ATOM O3T  ON4    -0.68
748ATOM H3T  HN4     0.34
749BOND O3'  P3     P3  O1P3   P3  O2P3   P3  O3T  O3T  H3T
750DONO H3T  O3T
751ACCE O3T
752ACCE O1P2
753ACCE O2P3
754! Build in B-DNA-like conformation (NF)
755BILD C4'   C3'  O3' P3     0.0000  000.00  155.00   000.00   0.0000
756BILD C3'   O3'  P3  O3T    0.0000  000.00  -95.20   000.00   0.0000
757BILD O3T   O3' *P3  O1P3   0.0000  000.00 -115.82   000.00   0.0000
758BILD O3T   O3' *P3  O2P3   0.0000  000.00  115.90   000.00   0.0000
759BILD H3T   O3T  P3  O3'    0.0000  000.00  -46.90   000.00   0.0000
760
761PRES 3POM        -1.00  ! 3'terminal Methyl Phosphate patch
762                        ! use in generate statement
763! To build model compound with OPO3-CH3 at the 3' end (nicolas)
764GROUP
765ATOM C3'  CN7     0.01
766ATOM H3'  HN7     0.09
767ATOM P3   P       1.50
768ATOM O1P3 ON3    -0.78
769ATOM O2P3 ON3    -0.78
770ATOM O3'  ON2    -0.57
771ATOM O3T  ON2    -0.57
772ATOM C3T  CN9    -0.17
773ATOM H3T1 HN9     0.09
774ATOM H3T2 HN9     0.09
775ATOM H3T3 HN9     0.09
776
777BOND O3'  P3     P3   O1P3  P3   O2P3   P3  O3T  O3T C3T
778BOND C3T  H3T1   C3T  H3T2  C3T  H3T3
779ACCE O3'
780ACCE O5'
781ACCE O1P2
782ACCE O1P3
783BILD C4'   C3'  O3' P3     0.0000  000.00  155.00   000.00   0.0000
784BILD C3'   O3'  P3  O3T    0.0000  000.00  -95.22   000.00   0.0000
785BILD O3T   O3' *P3  O1P3   0.0000  000.00 -115.82   000.00   0.0000
786BILD O3T   O3' *P3  O2P3   0.0000  000.00  115.90   000.00   0.0000
787BILD C3T   O3T  P3  O3'    0.0000  000.00  -46.90   000.00   0.0000
788BILD H3T1  C3T  O3T P3     0.0000  000.00  180.00   000.00   0.0000
789BILD H3T2  C3T  O3T P3     0.0000  000.00   60.00   000.00   0.0000
790BILD H3T3  C3T  O3T P3     0.0000  000.00  -60.00   000.00   0.0000
791
792PRES 3PO3        -2.00  ! 3'terminal PHOSPHATE patch
793                        ! use in generate statement
794			! Added by Nicolas, to be consistent with model componds
795GROUP
796ATOM C3'  CN7    -0.09
797ATOM H3'  HN7     0.09
798ATOM P3   P       1.10
799ATOM O3'  ON2    -0.40
800ATOM O1P3 ON3    -0.90
801ATOM O2P3 ON3    -0.90
802ATOM O3P3 ON3    -0.90
803BOND O3'  P3     P3  O1P3   P3  O2P3   P3  O3P3
804ACCE O1P2
805ACCE O1P3
806BILD C4'  C3'  O3'  P3     0.0000  000.00  180.00   000.00   0.0000
807BILD C3'  O3'  P3   O3P3   0.0000  000.00  -39.52   000.00   0.0000
808BILD O3P3 O3'  *P3  O1P3   0.0000  000.00 -115.82   000.00   0.0000
809BILD O3P3 O3'  *P3  O2P3   0.0000  000.00  115.90   000.00   0.0000
810BILD O3'  P3   O3P3 O3T    0.0000  000.00  180.00   000.00   0.0000
811BILD P3   O3P3 O3T  H3T    0.0000  000.00  180.00   000.00   0.0000
812
813PRES DELB         0.00     ! patch to delete all possible base atoms
814                           ! of Cyt,Gua,Ade,Thy and Ura
815                           !
816!note: error messages will be obtained due to atoms not present in
817!residue being "deleted" by this patch
818!cyt section
819DELE ATOM N1
820DELE ATOM C6
821DELE ATOM H6
822DELE ATOM C2
823DELE ATOM O2
824DELE ATOM N3
825DELE ATOM C4
826DELE ATOM N4
827DELE ATOM H41
828DELE ATOM H42
829DELE ATOM C5
830DELE ATOM H5
831!gua section
832DELE ATOM N9
833DELE ATOM H1
834DELE ATOM N2
835DELE ATOM H21
836DELE ATOM H22
837DELE ATOM O6
838DELE ATOM N7
839DELE ATOM C8
840DELE ATOM H8
841!ade section
842DELE ATOM H2
843DELE ATOM N6
844DELE ATOM H61
845DELE ATOM H62
846!thy/ura section
847DELE ATOM H3
848DELE ATOM O4
849DELE ATOM C5M
850DELE ATOM H51
851DELE ATOM H52
852DELE ATOM H53
853
854PRES CY35    0.0   ! patch to make a cyclic 3'-5' nucleotide
855                   ! use AUTOGEN ANGLE DIHE after this patch
856BOND O3' P         ! but before water-generation
857
858PRES LKNA    0.0   ! Patch to join to nucleic acid segments (eg for IMAGES)
859                   ! eg: patch sega 10 segb 1
860                   ! sega should have std 3' (gene sega ... last none)
861                   ! segb should have std 5' (gene segb ... first none)
862                   ! USE AUTOgen ANGL DIHE after this patch,
863                   ! but before water-generation
864BOND 1O3'  2P
865!following commented due to use of autogenerate
866!THET 1C3'  1O3'  2P
867!THET 1O3'  2P    2O5'
868!THET 1O3'  2P    2O1P
869!THET 1O3'  2P    2O2P
870!DIHE 1O3'  2P    2O5'  2C5'       1O3'  2P    2O5'  2C5'
871!DIHE 1C4'  1C3'  1O3'  2P
872!DIHE 1C3'  1O3'  2P    2O5'       1C3'  1O3'  2P    2O5'
873IC  1O3'  2P    2O5' 2C5'   1.6001  101.45  -39.25  119.00   1.4401
874IC  1O3'  2O5' *2P   2O1P   1.6001  101.45 -115.82  109.74   1.4802
875IC  1O3'  2O5' *2P   2O2P   1.6001  101.45  115.90  109.80   1.4801
876IC  1C4'  1C3'  1O3' 2P     1.5284  111.92  159.13  119.05   1.6001
877IC  1C3'  1O3'  2P   2O5'   1.4212  119.05  -98.86  101.45   1.5996
878
879RESI TIP3         0.00   ! TIPS3P WATER MODEL
880                         ! GENERATE USING NOANGLE NODIHEDRAL
881GROUP
882ATOM OH2  OT     -0.834
883ATOM H1   HT      0.417
884ATOM H2   HT      0.417
885BOND OH2  H1     OH2  H2    H1   H2    ! THE LAST BOND IS NEEDED FOR SHAKE
886ANGLE H1 OH2 H2    ! REQUIRED
887ACCEPTOR OH2
888PATCHING FIRS NONE LAST NONE
889
890RESI TP3M         0.000  ! "mmff" water model, as an analog of tip3p
891GROUP
892ATOM OH2  OT     -0.834  ! these charges are replaced by the mmff setup
893ATOM H1   HT      0.417  ! these charges are replaced by the mmff setup
894ATOM H2   HT      0.417  ! these charges are replaced by the mmff setup
895BOND OH2 H1 OH2 H2       ! omits the H1-H2 bond, which is needed for shake with tip3p
896ANGLE H1 OH2 H2          ! required
897ACCEPTOR OH2
898PATCHING FIRS NONE LAST NONE
899
900! Ion parameters from Benoit Roux and Coworkers
901! As of 8/98 no NBFIX terms required
902!
903RESI SOD       1.00 ! Sodium Ion
904GROUP
905ATOM SOD  SOD  1.00
906PATCHING FIRST NONE LAST NONE
907
908RESI MG        2.00 ! Magnesium Ion
909GROUP
910ATOM MG   MG   2.00
911PATCHING FIRST NONE LAST NONE
912
913RESI POT       1.00 ! Potassium Ion
914GROUP
915ATOM POT   POT 1.00
916PATCHING FIRST NONE LAST NONE
917
918RESI CES       1.00 ! Cesium Ion
919GROUP
920ATOM CES  CES  1.00
921PATCHING FIRST NONE LAST NONE
922
923RESI CAL       2.00 ! Calcium Ion
924GROUP
925ATOM CAL  CAL  2.00
926PATCHING FIRST NONE LAST NONE
927
928RESI CLA      -1.00 ! Chloride Ion
929GROUP
930ATOM CLA  CLA -1.00
931PATCHING FIRST NONE LAST NONE
932
933RESI ZN2       2.00 ! Zinc ion, Roland Stote
934GROUP
935ATOM ZN   ZN   2.00
936PATCHING FIRST NONE LAST NONE
937
938end
939
940