[gmx-users] gromacs warning topology file naming residues

Justin Lemkul jalemkul at vt.edu
Thu May 5 13:59:59 CEST 2016



On 5/5/16 7:58 AM, Upasana Ray wrote:
>  pdb2gmx -f receptor.pdb -o recep.gro -p recep.top -i recep.itp
> GROMACS:    gmx pdb2gmx, VERSION 5.0.7
>
> GROMACS is written by:
> Emile Apol         Rossen Apostolov   Herman J.C. Berendsen Par Bjelkmar
>
> Aldert van Buuren  Rudi van Drunen    Anton Feenstra     Sebastian Fritsch
> Gerrit Groenhof    Christoph Junghans Peter Kasson       Carsten Kutzner
> Per Larsson        Justin A. Lemkul   Magnus Lundborg    Pieter Meulenhoff
> Erik Marklund      Teemu Murtola      Szilard Pall       Sander Pronk
> Roland Schulz      Alexey Shvetsov    Michael Shirts     Alfons Sijbers
> Peter Tieleman     Christian Wennberg Maarten Wolf
> and the project leaders:
> Mark Abraham, Berk Hess, Erik Lindahl, and David van der Spoel
>
> Copyright (c) 1991-2000, University of Groningen, The Netherlands.
> Copyright (c) 2001-2014, The GROMACS development team at
> Uppsala University, Stockholm University and
> the Royal Institute of Technology, Sweden.
> check out http://www.gromacs.org for more information.
>
> GROMACS is free software; you can redistribute it and/or modify it
> under the terms of the GNU Lesser General Public License
> as published by the Free Software Foundation; either version 2.1
> of the License, or (at your option) any later version.
>
> GROMACS:      gmx pdb2gmx, VERSION 5.0.7
> Executable:   /usr/local/gromacs/bin/gmx
> Library dir:  /usr/local/gromacs/share/gromacs/top
> Command line:
>   pdb2gmx -f receptor.pdb -o recep.gro -p recep.top -i recep.itp
>
>
> Select the Force Field:
> From '/usr/local/gromacs/share/gromacs/top':
>  1: AMBER03 protein, nucleic AMBER94 (Duan et al., J. Comp. Chem. 24,
> 1999-2012, 2003)
>  2: AMBER94 force field (Cornell et al., JACS 117, 5179-5197, 1995)
>  3: AMBER96 protein, nucleic AMBER94 (Kollman et al., Acc. Chem. Res. 29,
> 461-469, 1996)
>  4: AMBER99 protein, nucleic AMBER94 (Wang et al., J. Comp. Chem. 21,
> 1049-1074, 2000)
>  5: AMBER99SB protein, nucleic AMBER94 (Hornak et al., Proteins 65,
> 712-725, 2006)
>  6: AMBER99SB-ILDN protein, nucleic AMBER94 (Lindorff-Larsen et al.,
> Proteins 78, 1950-58, 2010)
>  7: AMBERGS force field (Garcia & Sanbonmatsu, PNAS 99, 2782-2787, 2002)
>  8: CHARMM27 all-atom force field (CHARM22 plus CMAP for proteins)
>  9: GROMOS96 43a1 force field
> 10: GROMOS96 43a2 force field (improved alkane dihedrals)
> 11: GROMOS96 45a3 force field (Schuler JCC 2001 22 1205)
> 12: GROMOS96 53a5 force field (JCC 2004 vol 25 pag 1656)
> 13: GROMOS96 53a6 force field (JCC 2004 vol 25 pag 1656)
> 14: GROMOS96 54a7 force field (Eur. Biophys. J. (2011), 40,, 843-856, DOI:
> 10.1007/s00249-011-0700-9)
> 15: OPLS-AA/L all-atom force field (2001 aminoacid dihedrals)
> 13
>
> Using the Gromos53a6 force field in directory gromos53a6.ff
>
> Opening force field file
> /usr/local/gromacs/share/gromacs/top/gromos53a6.ff/watermodels.dat
>
> Select the Water Model:
>  1: SPC    simple point charge, recommended
>  2: SPC/E  extended simple point charge
>  3: None
> 1
> Opening force field file
> /usr/local/gromacs/share/gromacs/top/gromos53a6.ff/aminoacids.r2b
> Reading receptor.pdb...
> Read 2712 atoms
> Analyzing pdb file
> Splitting chemical chains based on TER records or chain id changing.
> There are 1 chains and 0 blocks of water and 318 residues with 2712 atoms
>
>   chain  #res #atoms
>   1 ' '   318   2712
>
> All occupancies are one
> Opening force field file
> /usr/local/gromacs/share/gromacs/top/gromos53a6.ff/atomtypes.atp
> Atomtype 57
> Reading residue database... (gromos53a6)
> Opening force field file
> /usr/local/gromacs/share/gromacs/top/gromos53a6.ff/aminoacids.rtp
> Using default: not generating all possible dihedrals
> Using default: excluding 3 bonded neighbors
> Using default: generating 1,4 H--H interactions
> Using default: removing proper dihedrals found on the same bond as a proper
> dihedral
> Residue 108
> Sorting it all out...
> Opening force field file
> /usr/local/gromacs/share/gromacs/top/gromos53a6.ff/aminoacids.hdb
> Opening force field file
> /usr/local/gromacs/share/gromacs/top/gromos53a6.ff/aminoacids.n.tdb
> Opening force field file
> /usr/local/gromacs/share/gromacs/top/gromos53a6.ff/aminoacids.c.tdb
>
> Back Off! I just backed up recep.top to ./#recep.top.6#
> Processing chain 1 (2712 atoms, 318 residues)
> Analysing hydrogen-bonding network for automated assignment of histidine
>  protonation. 476 donors and 475 acceptors were found.
> There are 712 hydrogen bonds
> Will use HISE for residue 148
> Will use HISE for residue 179
> Identified residue MET1 as a starting terminus.
> Identified residue ASP318 as a ending terminus.
> 8 out of 8 lines of specbond.dat converted successfully
> Special Atom Distance matrix:
>                     MET1   MET18   CYS36   CYS44   MET49   CYS60   CYS94
>                      SD8   SD144   SG292   SG356   SD397   SG492   SG794
>    MET18   SD144   1.598
>    CYS36   SG292   6.667   5.296
>    CYS44   SG356   8.837   7.478   2.301
>    MET49   SD397  10.320   8.864   3.717   2.019
>    CYS60   SG492  13.450  11.986   6.872   4.783   3.248
>    CYS94   SG794  20.844  19.314  14.849  12.884  11.492   8.577
>    CYS99   SG841  22.213  20.670  16.284  14.366  12.923  10.043   1.579
>   HIS148 NE21277  23.143  21.630  17.270  15.289  13.987  11.063   2.579
>   HIS179 NE21548  24.321  22.789  18.768  16.961  15.616  12.926   4.556
>   MET181  SD1563  23.994  22.477  18.367  16.490  15.207  12.443   3.998
>   MET214  SD1855  21.702  20.197  16.275  14.484  13.302  10.765   3.263
>   MET235  SD2024  24.164  22.667  18.421  16.451  15.230  12.351   3.974
>   MET248  SD2135  24.492  23.027  19.098  17.218  16.146  13.471   5.495
>   CYS249  SG2143  24.861  23.398  19.596  17.768  16.707  14.109   6.178
>   MET287  SD2464  21.466  20.208  15.629  13.392  12.875  10.149   7.761
>   MET297  SD2547  21.781  20.638  15.983  13.755  13.447  10.951  10.338
>                    CYS99  HIS148  HIS179  MET181  MET214  MET235  MET248
>                    SG841 NE21277 NE21548  SD1563  SD1855  SD2024  SD2135
>   HIS148 NE21277   1.732
>   HIS179 NE21548   3.220   2.776
>   MET181  SD1563   2.836   1.878   1.129
>   MET214  SD1855   2.963   2.777   2.881   2.451
>   MET235  SD2024   3.082   1.461   2.444   1.367   3.057
>   MET248  SD2135   4.758   3.374   2.938   2.246   3.206   2.139
>   CYS249  SG2143   5.371   4.119   3.093   2.703   3.584   2.906   0.891
>   MET287  SD2464   8.760   8.018  10.596   9.499   9.043   8.375   9.193
>   MET297  SD2547  11.405  10.810  13.480  12.399  11.992  11.253  12.199
>                   CYS249  MET287
>                   SG2143  SD2464
>   MET287  SD2464  10.006
>   MET297  SD2547  13.024   3.061
> Start terminus MET-1: NH3+
> End terminus ASP-318: COO-
> Checking for duplicate atoms....
> Generating any missing hydrogen atoms and/or adding termini.
> Now there are 318 residues with 3025 atoms
> Making bonds...
> Number of bonds was 3063, now 3058
> Generating angles, dihedrals and pairs...
>
> WARNING: WARNING: Residue 1 named MET of a molecule in the input file was
> mapped
> to an entry in the topology database, but the atom H used in
> an interaction of type angle in that entry is not found in the
> input file. Perhaps your atom and/or residue naming needs to be
> fixed.
>
>
>
> WARNING: WARNING: Residue 318 named ASP of a molecule in the input file was
> mapped
> to an entry in the topology database, but the atom O used in
> an interaction of type angle in that entry is not found in the
> input file. Perhaps your atom and/or residue naming needs to be
> fixed.
>
>
> Before cleaning: 5315 pairs
> Before cleaning: 5784 dihedrals
> Making cmap torsions...
> There are 1702 dihedrals, 1403 impropers, 4425 angles
>           5315 pairs,     3058 bonds and     0 virtual sites
> Total mass 34482.681 a.m.u.
> Total charge -8.000 e
> Writing topology
>
> Back Off! I just backed up recep.itp to ./#recep.itp.2#
>
> Writing coordinate file...
>
> Back Off! I just backed up recep.gro to ./#recep.gro.2#
> --------- PLEASE NOTE ------------
> You have successfully generated a topology from: receptor.pdb.
> The Gromos53a6 force field and the spc water model are used.
> --------- ETON ESAELP ------------
>
> gcq#139: "One Ripple At a Time" (Bianca's Smut Shack)
>

OK, so everything is fine.  I don't know why the warnings are printed, but 
there's not actually a problem here.

-Justin

-- 
==================================================

Justin A. Lemkul, Ph.D.
Ruth L. Kirschstein NRSA Postdoctoral Fellow

Department of Pharmaceutical Sciences
School of Pharmacy
Health Sciences Facility II, Room 629
University of Maryland, Baltimore
20 Penn St.
Baltimore, MD 21201

jalemkul at outerbanks.umaryland.edu | (410) 706-7441
http://mackerell.umaryland.edu/~jalemkul

==================================================


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