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本帖最后由 hhhnano 于 2020-7-10 09:37 编辑
蛋白-配体在进行AMBER-MM 最小化、平衡、成品模拟后,用cpptraj处理轨迹文件,取最后一帧截照,截断蛋白-符合为5埃以外的水分子,重新生成prmtop 和inpcrd文件。
tleap -f oldff/leaprc.ff99SB
>source leaprc.gaff
>source leaprc.water.tip3p
>loadamberparams MFA.frcmod
>loadoff MFA.lib (配体)
>com = loadpdb DLP-equil-499-cut-wat.pdb (截断5埃之外的蛋白-配体-水分子复合物),
> charge com
> addions com Cl- 0
> saveamberparm com DLP-equil-499-cut-wat.prmtop DLP-equil-499-cut-wat.inpcrd
可以生成prmtop inpcrd文件
但在执行“com = loadpdb DLP-equil-499-cut-wat.pdb ”出现如下问题,不知会不会影响模拟结果?恳请各位牛人指点,非常感谢
Loading PDB file: ./DLP-equil-499-cut-wat.pdb
-- residue 2048: duplicate [ H1] atoms (total 21)
-- residue 2048: duplicate [ H2] atoms (total 21)
-- residue 2048: duplicate [ O] atoms (total 21)
-- residue 2057: duplicate [ H1] atoms (total 2)
-- residue 2057: duplicate [ H2] atoms (total 2)
-- residue 2057: duplicate [ O] atoms (total 2)
-- residue 2064: duplicate [ H1] atoms (total 2)
-- residue 2064: duplicate [ H2] atoms (total 2)
-- residue 2064: duplicate [ O] atoms (total 2)
-- residue 2069: duplicate [ H1] atoms (total 5)
-- residue 2069: duplicate [ H2] atoms (total 5)
-- residue 2069: duplicate [ O] atoms (total 5)
-- residue 2071: duplicate [ H1] atoms (total 2)
-- residue 2071: duplicate [ H2] atoms (total 2)
-- residue 2071: duplicate [ O] atoms (total 2)
-- residue 2074: duplicate [ H1] atoms (total 3)
-- residue 2074: duplicate [ H2] atoms (total 3)
-- residue 2074: duplicate [ O] atoms (total 3)
-- residue 2078: duplicate [ H1] atoms (total 2)
-- residue 2078: duplicate [ H2] atoms (total 2)
-- residue 2078: duplicate [ O] atoms (total 2)
-- residue 2079: duplicate [ H1] atoms (total 17)
-- residue 2079: duplicate [ H2] atoms (total 17)
-- residue 2079: duplicate [ O] atoms (total 17)
-- residue 2104: duplicate [ H1] atoms (total 22)
-- residue 2104: duplicate [ H2] atoms (total 22)
-- residue 2104: duplicate [ O] atoms (total 22)
-- residue 2105: duplicate [ H1] atoms (total 243)
-- residue 2105: duplicate [ H2] atoms (total 243)
-- residue 2105: duplicate [ O] atoms (total 243)
-- residue 2038: duplicate [ H1] atoms (total 2)
-- residue 2038: duplicate [ H2] atoms (total 2)
-- residue 2038: duplicate [ O] atoms (total 2)
-- residue 2044: duplicate [ H1] atoms (total 2)
-- residue 2044: duplicate [ H2] atoms (total 2)
-- residue 2044: duplicate [ O] atoms (total 2)
Warning: Atom names in each residue should be unique.
(Same-name atoms are handled by using the first
occurrence and by ignoring the rest.
Frequently duplicate atom names stem from alternate
conformations in the PDB file.)
Created a new atom named: OXT within residue: .R<VAL 339>
Warning: One sided connection. Residue (Cl-) missing connect0 atom.
total atoms in file: 11460
The file contained 1 atoms not in residue templates
原子名好像没有重复的,蛋白复合物片段如下:
ATOM 2038 HG11 VAL X 133 23.949 45.593 35.252 0.00 0.00 H
ATOM 2039 HG12 VAL X 133 24.645 44.071 35.361 0.00 0.00 H
ATOM 2040 HG13 VAL X 133 22.954 44.242 35.953 0.00 0.00 H
ATOM 2041 CG2 VAL X 133 25.972 45.267 37.216 0.00 0.00 C
ATOM 2042 HG21 VAL X 133 26.335 45.316 38.242 0.00 0.00 H
ATOM 2043 HG22 VAL X 133 26.433 44.329 36.908 0.00 0.00 H
ATOM 2044 HG23 VAL X 133 26.265 46.099 36.575 0.00 0.00 H
ATOM 2045 C VAL X 133 22.308 46.080 37.661 0.00 0.00 C
ATOM 2046 O VAL X 133 21.688 46.829 36.874 0.00 0.00 O
ATOM 2047 N GLU X 134 21.613 45.264 38.506 0.00 0.00 N
ATOM 2048 H GLU X 134 22.140 44.703 39.160 0.00 0.00 H
ATOM 2049 CA GLU X 134 20.142 45.228 38.502 0.00 0.00 C
ATOM 2050 HA GLU X 134 19.745 44.867 37.554 0.00 0.00 H
ATOM 2051 CB GLU X 134 19.636 44.071 39.418 0.00 0.00 C
ATOM 2052 HB2 GLU X 134 19.994 43.108 39.052 0.00 0.00 H
ATOM 2053 HB3 GLU X 134 20.073 44.233 40.403 0.00 0.00 H
ATOM 2054 CG GLU X 134 18.036 43.964 39.532 0.00 0.00 C
ATOM 2055 HG2 GLU X 134 17.653 44.861 40.019 0.00 0.00 H
ATOM 2056 HG3 GLU X 134 17.610 43.856 38.535 0.00 0.00 H
ATOM 2057 CD GLU X 134 17.581 42.677 40.305 0.00 0.00 C
ATOM 2058 OE1 GLU X 134 17.103 41.704 39.684 0.00 0.00 O
ATOM 2059 OE2 GLU X 134 17.867 42.722 41.569 0.00 0.00 O
ATOM 2060 C GLU X 134 19.477 46.550 38.870 0.00 0.00 C
ATOM 2061 O GLU X 134 18.370 46.897 38.449 0.00 0.00 O
ATOM 2062 N GLU X 135 20.040 47.463 39.650 0.00 0.00 N
ATOM 2063 H GLU X 135 20.865 47.132 40.129 0.00 0.00 H
ATOM 2064 CA GLU X 135 19.573 48.820 40.023 0.00 0.00 C
ATOM 2065 HA GLU X 135 18.492 48.814 40.162 0.00 0.00 H
ATOM 2066 CB GLU X 135 20.321 49.331 41.239 0.00 0.00 C
ATOM 2067 HB2 GLU X 135 21.396 49.192 41.125 0.00 0.00 H
ATOM 2068 HB3 GLU X 135 20.088 50.390 41.347 0.00 0.00 H
ATOM 2069 CG GLU X 135 19.901 48.766 42.631 0.00 0.00 C
ATOM 2070 HG2 GLU X 135 19.584 47.723 42.596 0.00 0.00 H
ATOM 2071 HG3 GLU X 135 20.808 48.851 43.230 0.00 0.00 H
ATOM 2072 CD GLU X 135 18.698 49.547 43.232 0.00 0.00 C
ATOM 2073 OE1 GLU X 135 18.532 49.435 44.488 0.00 0.00 O
ATOM 2074 OE2 GLU X 135 17.887 50.121 42.485 0.00 0.00 O
ATOM 2075 C GLU X 135 19.864 49.851 38.877 0.00 0.00 C
ATOM 2076 O GLU X 135 18.893 50.404 38.309 0.00 0.00 O
ATOM 2077 N VAL X 136 21.157 50.100 38.551 0.00 0.00 N
ATOM 2078 H VAL X 136 21.806 49.467 38.994 0.00 0.00 H
ATOM 2079 CA VAL X 136 21.550 51.266 37.689 0.00 0.00 C
ATOM 2080 HA VAL X 136 20.993 52.197 37.796 0.00 0.00 H
ATOM 2081 CB VAL X 136 22.984 51.720 37.984 0.00 0.00 C
ATOM 2082 HB VAL X 136 23.737 50.965 37.758 0.00 0.00 H
ATOM 2083 CG1 VAL X 136 23.236 53.076 37.183 0.00 0.00 C
ATOM 2084 HG11 VAL X 136 24.313 53.232 37.121 0.00 0.00 H
ATOM 2085 HG12 VAL X 136 22.907 52.907 36.158 0.00 0.00 H
ATOM 2086 HG13 VAL X 136 22.660 53.920 37.563 0.00 0.00 H
ATOM 2087 CG2 VAL X 136 23.100 52.022 39.515 0.00 0.00 C
ATOM 2088 HG21 VAL X 136 22.743 51.203 40.140 0.00 0.00 H
ATOM 2089 HG22 VAL X 136 24.128 52.300 39.745 0.00 0.00 H
ATOM 2090 HG23 VAL X 136 22.505 52.897 39.774 0.00 0.00 H
ATOM 2091 C VAL X 136 21.405 50.887 36.192 0.00 0.00 C
ATOM 2092 O VAL X 136 20.871 51.653 35.416 0.00 0.00 O
ATOM 2093 N GLY X 137 21.914 49.723 35.824 0.00 0.00 N
ATOM 2094 H GLY X 137 22.072 49.181 36.662 0.00 0.00 H
ATOM 2095 CA GLY X 137 21.623 48.998 34.582 0.00 0.00 C
ATOM 2096 HA2 GLY X 137 21.908 49.774 33.871 0.00 0.00 H
ATOM 2097 HA3 GLY X 137 22.242 48.106 34.488 0.00 0.00 H
ATOM 2098 C GLY X 137 20.180 48.586 34.378 0.00 0.00 C
ATOM 2099 O GLY X 137 19.668 48.599 33.240 0.00 0.00 O
ATOM 2100 N GLY X 138 19.452 48.347 35.466 0.00 0.00 N
ATOM 2101 H GLY X 138 19.952 48.183 36.328 0.00 0.00 H
ATOM 2102 CA GLY X 138 18.015 48.511 35.483 0.00 0.00 C
ATOM 2103 HA2 GLY X 138 17.701 48.578 36.525 0.00 0.00 H
ATOM 2104 HA3 GLY X 138 17.798 49.422 34.924 0.00 0.00 H
ATOM 2105 C GLY X 138 17.255 47.296 34.879 0.00 0.00 C
ATOM 2106 O GLY X 138 16.201 47.520 34.281 0.00 0.00 O
ATOM 2107 N GLN X 139 17.885 46.129 34.859 0.00 0.00 N
ATOM 2108 H GLN X 139 18.775 46.063 35.330 0.00 0.00 H
ATOM 2109 CA GLN X 139 17.383 44.868 34.292 0.00 0.00 C
ATOM 2110 HA GLN X 139 16.313 44.929 34.489 0.00 0.00 H
ATOM 2111 CB GLN X 139 17.848 44.931 32.851 0.00 0.00 C
ATOM 2112 HB2 GLN X 139 17.259 45.826 32.649 0.00 0.00 H
ATOM 2113 HB3 GLN X 139 18.936 44.988 32.836 0.00 0.00 H
ATOM 2114 CG GLN X 139 17.350 43.697 32.096 0.00 0.00 C
ATOM 2115 HG2 GLN X 139 18.005 42.833 32.203 0.00 0.00 H
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蛋白配体水复合物
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