2 ; GROMOS bond-stretching parameters
8 ; Examples of usage in terms of non-bonded atom types
11 ; ICB(H)[N] CB[N] B0[N]
13 #define gb_1 0.1000 1.5700e+07
16 #define gb_2 0.1000 1.8700e+07
19 #define gb_3 0.1090 1.2300e+07
22 #define gb_4 0.1230 1.6600e+07
25 #define gb_5 0.1250 1.3400e+07
28 #define gb_6 0.1320 1.2000e+07
29 ; CR1 - NR (6-ring) 1000
31 #define gb_7 0.1330 8.8700e+06
34 #define gb_8 0.1330 1.0600e+07
37 #define gb_9 0.1330 1.1800e+07
38 ; C, CR1 - N, NR, CR1, C (peptide, 5-ring) 1000
40 #define gb_10 0.1340 1.0500e+07
43 #define gb_11 0.1340 1.1700e+07
44 ; C - NR (no H) (6-ring) 1000
46 #define gb_12 0.1360 1.0200e+07
49 #define gb_13 0.1380 1.1000e+07
52 #define gb_14 0.1390 8.6600e+06
53 ; CH2 - C, CR1 (6-ring) 800
55 #define gb_15 0.1390 1.0800e+07
56 ; C, CR1 - CH2, C, CR1 (6-ring) 1000
58 #define gb_16 0.1400 8.5400e+06
59 ; C, CR1, CH2 - NR (6-ring) 800
61 #define gb_17 0.1430 8.1800e+06
64 #define gb_18 0.1430 9.2100e+06
67 #define gb_19 0.1435 6.1000e+06
68 ; CHn - OA (sugar) 600
70 #define gb_20 0.1470 8.7100e+06
71 ; CHn - N, NT, NL, NZ, NE 900
73 #define gb_21 0.1480 5.7300e+06
74 ; CHn - NR (5-ring) 600
76 #define gb_22 0.1480 7.6400e+06
77 ; CHn - NR (6-ring) 800
79 #define gb_23 0.1480 8.6000e+06
82 #define gb_24 0.1500 8.3700e+06
85 #define gb_25 0.1520 5.4300e+06
86 ; CHn - CHn (sugar) 600
88 #define gb_26 0.1530 7.1500e+06
91 #define gb_27 0.1610 4.8400e+06
94 #define gb_28 0.1630 4.7200e+06
97 #define gb_29 0.1780 5.9400e+06
100 #define gb_30 0.1830 5.6200e+06
103 #define gb_31 0.1870 3.5900e+06
106 #define gb_32 0.1980 0.6400e+06
109 #define gb_33 0.2040 5.0300e+06
112 #define gb_34 0.2000 0.6280e+06
115 #define gb_35 0.1000 2.3200e+07
118 #define gb_36 0.1100 1.2100e+07
121 #define gb_37 0.1758 8.1200e+06
124 #define gb_38 0.1530 8.0400e+06
127 #define gb_39 0.1950 4.9500e+06
130 #define gb_40 0.1760 8.1000e+06
133 #define gb_41 0.163299 8.7100e+06
136 #define gb_42 0.233839 2.6800e+06
139 #define gb_43 0.290283 2.9800e+06
142 #define gb_44 0.280412 2.3900e+06
145 #define gb_45 0.292993 2.1900e+06
148 #define gb_46 0.198842 3.9700e+06
151 #define gb_47 0.287407 3.0400e+06
156 ; GROMOS bond-angle bending parameters
159 ; Bond-angle type code
162 ; Example of usage in terms of non-bonded atom types
165 ; ICT(H)[N] CT[N] (T0[N])
167 #define ga_1 90.00 420.00
168 ; NR(heme) - FE - NR(heme) 100
170 #define ga_2 96.00 405.00
173 #define ga_3 100.00 475.00
176 #define ga_4 103.00 420.00
179 #define ga_5 104.00 490.00
182 #define ga_6 108.00 465.00
183 ; NR, C, CR1(5-ring) 100
185 #define ga_7 109.50 285.00
186 ; CHn - CHn - CHn, NR(6-ring) (sugar) 60
188 #define ga_8 109.50 320.00
189 ; CHn, OA - CHn - OA, NR(ring) (sugar) 68
191 #define ga_9 109.50 380.00
192 ; H - NL, NT - H, CHn - OA - CHn(sugar) 80
194 #define ga_10 109.50 425.00
195 ; H - NL - C, CHn H - NT - CHn 90
197 #define ga_11 109.50 450.00
200 #define ga_12 109.50 520.00
201 ; CHn,C - CHn - C, CHn, OA, OM, N, NE 110
203 #define ga_13 109.60 450.00
206 #define ga_14 111.00 530.00
207 ; CHn - CHn - C, CHn, OA, NR, NT, NL 110
209 #define ga_15 113.00 545.00
212 #define ga_16 115.00 50.00
213 ; NR(heme) - FE - NR 10
215 #define ga_17 115.00 460.00
218 #define ga_18 115.00 610.00
219 ; CHn, C - C - OA, N, NT, NL 120
221 #define ga_19 116.00 465.00
224 #define ga_20 116.00 620.00
227 #define ga_21 117.00 635.00
228 ; CH3 - N - C, CHn - C - OM 120
230 #define ga_22 120.00 390.00
231 ; H - NT, NZ, NE - C 70
233 #define ga_23 120.00 445.00
236 #define ga_24 120.00 505.00
237 ; H - N - CH3, H, HC - 6-ring, H - NT - CHn 90
239 #define ga_25 120.00 530.00
240 ; P, SI - OA - CHn, P 95
242 #define ga_26 120.00 560.00
243 ; N, C, CR1 (6-ring, no H) 100
245 #define ga_27 120.00 670.00
246 ; NZ - C - NZ, NE 120
248 #define ga_28 120.00 780.00
251 #define ga_29 121.00 685.00
252 ; O - C - CHn, C CH3 - N - CHn 120
254 #define ga_30 122.00 700.00
255 ; CH1, CH2 - N - C 120
257 #define ga_31 123.00 415.00
260 #define ga_32 124.00 730.00
261 ; O - C - OA, N, NT, NL C - NE - CH2 120
263 #define ga_33 125.00 375.00
264 ; FE - NR - CR1 (5-ring) 60
266 #define ga_34 125.00 750.00
269 #define ga_35 126.00 575.00
272 #define ga_36 126.00 640.00
273 ; X(noH) - 5-ring 100
275 #define ga_37 126.00 770.00
278 #define ga_38 132.00 760.00
279 ; 5, 6 ring connnection 100
281 #define ga_39 155.00 2215.00
284 #define ga_40 109.50 434.00
285 ; HWat - OWat - HWat 92
287 #define ga_41 107.57 484.00
288 ; HChl - CChl - CLChl 105
290 #define ga_42 111.30 632.00
291 ; CLChl - CChl - CLChl 131
293 #define ga_43 97.40 469.00
294 ; CDmso - SDmso - CDmso 110
296 #define ga_44 106.75 503.00
297 ; CDmso - SDmso - ODmso 110
299 #define ga_45 108.53 443.00
300 ; HMet - OMet - CMet 95
302 #define ga_46 109.50 618.00
303 ; CLCl4 - CCl4 - CLCl4 131
306 ; GROMOS improper (harmonic) dihedral angle parameters
309 ; Improper dihedral-angle type code
311 ; Ideal improper dihedral angle
315 ; ICQ(H)[N] CQ[N] (Q0[N])
317 #define gi_1 0.0 167.42309
320 #define gi_2 35.26439 334.84617
321 ; tetrahedral centres 80
323 #define gi_3 0.0 669.69235
327 ; GROMOS (trigonometric) dihedral torsional angle parameters
330 ; Dihedral-angle type code
334 ; Example of usage in terms of non-bonded atom types
337 ; ICP(H)[N] CP[N] PD[N] NP[N]
339 #define gd_1 180.000 5.86 2
342 #define gd_2 180.000 7.11 2
343 ; -C-OA- (at ring) 1.7
345 #define gd_3 180.000 16.7 2
346 ; -C-OA- (carboxyl) 4.0
348 #define gd_4 180.000 33.5 2
349 ; -C-N, NT, NE, NZ,NR- 8.0
351 #define gd_5 180.000 41.8 2
352 ; -C-CR1- (6-ring) 10.0
354 #define gd_6 0.000 0.0 2
355 ; -CH1 (sugar)-NR(base)- 0.0
357 #define gd_7 0.000 0.418 2
360 #define gd_8 0.000 2.09 2
363 #define gd_9 0.000 3.14 2
366 #define gd_10 0.000 16.7 2
369 #define gd_11 0.000 1.05 3
372 #define gd_12 0.000 1.26 3
373 ; -CHn-OA(no sugar)- 0.3
375 #define gd_13 0.000 2.93 3
378 #define gd_14 0.000 3.77 3
379 ; -C,CHn,SI-NT,NL,OA(sugar)- 0.9
381 #define gd_15 0.000 4.18 3
384 #define gd_16 0.000 5.44 3
387 #define gd_17 0.000 5.86 3
390 #define gd_18 0.000 0.0 4
393 #define gd_19 180.000 1.0 6
396 #define gd_20 0.000 1.0 6
397 ; -CHn-C,NR (ring), CR1- 0.24
399 #define gd_21 0.000 3.77 6
403 ; get the constraint distances for dummy atom constructions
404 #include "ff_dum.itp"
407 ; now the constraints for the rigid NH3 groups
412 ; and the angle-constraints for OH and SH groups in proteins:
418 ; bond-, angle- and dihedraltypes for specbonds: