[gmx-users] Re: Error during executing the protein ligand tutorial

Mark Abraham Mark.Abraham at anu.edu.au
Tue Jun 21 08:44:06 CEST 2011


On 21/06/2011 4:33 PM, bharat gupta wrote:
> So, after adding 1 NA ion, I started with energy mimization, but I am 
> getting the following error after md run command :-

Please search for help first.

http://www.gromacs.org/Documentation/Errors#LINCS.2fSETTLE.2fSHAKE_warnings

Mark

> Step=    1, Dmax= 1.0e-02 nm, Epot=  1.36889e+09 Fmax= 1.97591e+11, 
> atom= 1248
> Step=    2, Dmax= 1.2e-02 nm, Epot=  5.46814e+07 Fmax= 3.57239e+09, 
> atom= 972
> Step=    3, Dmax= 1.4e-02 nm, Epot=  8.68244e+06 Fmax= 5.80655e+08, 
> atom= 1253
> Step=    4, Dmax= 1.7e-02 nm, Epot=  3.33619e+06 Fmax= 9.98000e+07, 
> atom= 1248
> Step=    5, Dmax= 2.1e-02 nm, Epot=  2.30163e+06 Fmax= 1.19057e+07, 
> atom= 1253
> Step=    6, Dmax= 2.5e-02 nm, Epot=  2.07254e+06 Fmax= 3.20568e+06, 
> atom= 1304
> Step=    7, Dmax= 3.0e-02 nm, Epot=  1.97667e+06 Fmax= 1.59513e+06, 
> atom= 1045
> Step=    8, Dmax= 3.6e-02 nm, Epot=  1.85877e+06 Fmax= 8.25518e+05, 
> atom= 3616
> Step=    9, Dmax= 4.3e-02 nm, Epot=  1.66148e+06 Fmax= 7.69483e+05, 
> atom= 3616
> Step=   10, Dmax= 5.2e-02 nm, Epot=  1.43976e+06 Fmax= 6.47087e+05, 
> atom= 3616
> Step=   11, Dmax= 6.2e-02 nm, Epot=  1.16869e+06 Fmax= 6.39015e+05, 
> atom= 3616
> Step=   12, Dmax= 7.4e-02 nm, Epot=  8.84664e+05 Fmax= 5.75494e+05, 
> atom= 3616
> Step=   13, Dmax= 8.9e-02 nm, Epot=  6.62825e+05 Fmax= 1.01984e+07, 
> atom= 47956
>
> step 14: Water molecule starting at atom 47956 can not be settled.
> Check for bad contacts and/or reduce the timestep if appropriate.
> Wrote pdb files with previous and current coordinates
> Step=   15, Dmax= 5.3e-02 nm, Epot=  5.67330e+05 Fmax= 5.36987e+05, 
> atom= 36166
> Step=   16, Dmax= 6.4e-02 nm, Epot=  3.51341e+05 Fmax= 4.19647e+05, 
> atom= 3619
> Step=   17, Dmax= 7.7e-02 nm, Epot=  6.34731e+04 Fmax= 1.56555e+06, 
> atom= 3616
> Step=   18, Dmax= 9.2e-02 nm, Epot= -2.03364e+04 Fmax= 4.60916e+05, 
> atom= 3616
> Step=   19, Dmax= 1.1e-01 nm, Epot= -3.50504e+05 Fmax= 1.53090e+06, 
> atom= 213514
>
> step 20: Water molecule starting at atom 213514 can not be settled.
> Check for bad contacts and/or reduce the timestep if appropriate.
> Wrote pdb files with previous and current coordinates
> Step=   20, Dmax= 1.3e-01 nm, Epot= -4.11692e+05 Fmax= 4.49357e+05, 
> atom= 3619
> Step=   21, Dmax= 1.6e-01 nm, Epot= -4.87207e+05 Fmax= 3.39700e+07, 
> atom= 3629
> Step=   22, Dmax= 1.9e-01 nm, Epot= -7.85503e+05 Fmax= 3.56083e+05, 
> atom= 3619
>
> step 23: Water molecule starting at atom 206593 can not be settled.
> Check for bad contacts and/or reduce the timestep if appropriate.
>
> step 23: Water molecule starting at atom 212776 can not be settled.
> Check for bad contacts and/or reduce the timestep if appropriate.
> Wrote pdb files with previous and current coordinates
> Wrote pdb files with previous and current coordinates
> Step=   23, Dmax= 2.3e-01 nm, Epot=  1.95863e+09 Fmax= 6.76309e+11, 
> atom= 3633
> step 24: Water molecule starting at atom 212776 can not be settled.
> Check for bad contacts and/or reduce the timestep if appropriate.
> Wrote pdb files with previous and current coordinates
> Step=   25, Dmax= 5.8e-02 nm, Epot= -9.28980e+05 Fmax= 2.81692e+05, 
> atom= 362976
>
> step 26: Water molecule starting at atom 42463 can not be settled.
> Check for bad contacts and/or reduce the timestep if appropriate.
> Wrote pdb files with previous and current coordinates
> Step=   27, Dmax= 3.5e-02 nm, Epot= -1.03111e+06 Fmax= 2.76677e+05, 
> atom= 36293
> Step=   28, Dmax= 4.1e-02 nm, Epot= -1.14733e+06 Fmax= 2.66398e+05, 
> atom= 3629
> Step=   29, Dmax= 5.0e-02 nm, Epot= -1.26821e+06 Fmax= 2.51779e+05, 
> atom= 3629
> Step=   30, Dmax= 6.0e-02 nm, Epot= -1.42873e+06 Fmax= 2.31393e+05, 
> atom= 3629
> Step=   31, Dmax= 7.2e-02 nm, Epot= -1.59623e+06 Fmax= 3.53379e+06, 
> atom= 3633
>
> step 32: Water molecule starting at atom 292885 can not be settled.
> Check for bad contacts and/or reduce the timestep if appropriate.
> Wrote pdb files with previous and current coordinates
> Step=   33, Dmax= 4.3e-02 nm, Epot= -1.62300e+06 Fmax= 2.45780e+05, 
> atom= 361985
> Step=   34, Dmax= 5.2e-02 nm, Epot= -1.75124e+06 Fmax= 2.87155e+05, 
> atom= 213958
> Step=   35, Dmax= 6.2e-02 nm, Epot= -1.86014e+06 Fmax= 6.76483e+05, 
> atom= 3634
>
> step 36: Water molecule starting at atom 256024 can not be settled.
> Check for bad contacts and/or reduce the timestep if appropriate.
> Wrote pdb files with previous and current coordinates
> Step=   36, Dmax= 7.4e-02 nm, Epot= -1.91639e+06 Fmax= 2.49523e+05, 
> atom= 3619
> Step=   37, Dmax= 8.9e-02 nm, Epot= -2.11154e+06 Fmax= 4.87466e+05, 
> atom= 3636
> Step=   38, Dmax= 1.1e-01 nm, Epot= -2.20858e+06 Fmax= 1.92308e+05, 
> atom= 3629
> Step=   40, Dmax= 6.4e-02 nm, Epot= -2.34036e+06 Fmax= 3.07614e+06, 
> atom= 3634
> Step=   41, Dmax= 7.7e-02 nm, Epot= -2.36181e+06 Fmax= 1.95100e+05, 
> atom= 3634
> Step=   42, Dmax= 9.2e-02 nm, Epot= -2.55367e+06 Fmax= 1.66837e+05, 
> atom= 3629
> Step=   43, Dmax= 1.1e-01 nm, Epot= -2.67052e+06 Fmax= 1.01067e+07, 
> atom= 3618
> Step=   44, Dmax= 1.3e-01 nm, Epot= -2.76975e+06 Fmax= 2.25183e+05, 
> atom= 3618
> Step=   45, Dmax= 1.6e-01 nm, Epot= -2.95070e+06 Fmax= 5.66364e+05, 
> atom= 3614
>
> step 46: Water molecule starting at atom 249877 can not be settled.
> Check for bad contacts and/or reduce the timestep if appropriate.
>
> step 46: Water molecule starting at atom 85966 can not be settled.
> Check for bad contacts and/or reduce the timestep if appropriate.
> Wrote pdb files with previous and current coordinates
> Wrote pdb files with previous and current coordinates
> Step=   46, Dmax= 1.9e-01 nm, Epot= -2.97755e+06 Fmax= 9.94270e+06, 
> atom= 249877
> Step=   47, Dmax= 2.3e-01 nm, Epot= -2.99471e+06 Fmax= 2.40481e+05, 
> atom= 3614
> Step=   48, Dmax= 2.8e-01 nm, Epot= -3.24066e+06 Fmax= 2.63430e+06, 
> atom= 3608
>
> step 49: Water molecule starting at atom 82687 can not be settled.
> Check for bad contacts and/or reduce the timestep if appropriate.
>
> step 49: Water molecule starting at atom 129469 can not be settled.
> Check for bad contacts and/or reduce the timestep if appropriate.
> Wrote pdb files with previous and current coordinates
> Wrote pdb files with previous and current coordinates
> Step=   49, Dmax= 3.3e-01 nm, Epot=  1.19344e+08 Fmax= 1.97429e+10, 
> atom= 3608
> step 50: Water molecule starting at atom 129469 can not be settled.
> Check for bad contacts and/or reduce the timestep if appropriate.
> Wrote pdb files with previous and current coordinates
> Step=   51, Dmax= 8.3e-02 nm, Epot= -3.28700e+06 Fmax= 3.42115e+05, 
> atom= 3620
> Step=   52, Dmax= 9.9e-02 nm, Epot= -3.35221e+06 Fmax= 5.71868e+05, 
> atom= 3620
>
> step 53: Water molecule starting at atom 82687 can not be settled.
> Check for bad contacts and/or reduce the timestep if appropriate.
> Wrote pdb files with previous and current coordinates
> Step=   53, Dmax= 1.2e-01 nm, Epot= -3.37935e+06 Fmax= 2.23519e+05, 
> atom= 3620
> Step=   54, Dmax= 1.4e-01 nm, Epot= -3.48138e+06 Fmax= 1.24343e+06, 
> atom= 3620
>
> step 55: Water molecule starting at atom 82687 can not be settled.
> Check for bad contacts and/or reduce the timestep if appropriate.
> Wrote pdb files with previous and current coordinates
> Step=   55, Dmax= 1.7e-01 nm, Epot= -3.47365e+06 Fmax= 4.00718e+07, 
> atom= 82687
> step 56: Water molecule starting at atom 82687 can not be settled.
> Check for bad contacts and/or reduce the timestep if appropriate.
> Wrote pdb files with previous and current coordinates
> Step=   56, Dmax= 8.6e-02 nm, Epot= -3.49998e+06 Fmax= 1.67258e+05, 
> atom= 3620
> Step=   57, Dmax= 1.0e-01 nm, Epot= -3.59531e+06 Fmax= 9.54825e+04, 
> atom= 3634
> Step=   59, Dmax= 6.2e-02 nm, Epot= -3.67520e+06 Fmax= 4.07963e+05, 
> atom= 3622
> Step=   60, Dmax= 7.4e-02 nm, Epot= -3.69432e+06 Fmax= 1.64972e+05, 
> atom= 3622
> Step=   61, Dmax= 8.9e-02 nm, Epot= -3.75825e+06 Fmax= 2.68322e+05, 
> atom= 3613
> Step=   62, Dmax= 1.1e-01 nm, Epot= -3.78424e+06 Fmax= 2.62259e+05, 
> atom= 3613
> Step=   63, Dmax= 1.3e-01 nm, Epot= -3.84569e+06 Fmax= 2.41290e+05, 
> atom= 3622
> Step=   64, Dmax= 1.5e-01 nm, Epot= -3.84643e+06 Fmax= 2.38963e+06, 
> atom= 3622
> Step=   65, Dmax= 1.8e-01 nm, Epot= -3.87919e+06 Fmax= 5.87824e+05, 
> atom= 3622
> Step=   66, Dmax= 2.2e-01 nm, Epot= -3.94983e+06 Fmax= 8.25176e+04, 
> atom= 3634
>
> step 67: Water molecule starting at atom 170884 can not be settled.
> Check for bad contacts and/or reduce the timestep if appropriate.
> Wrote pdb files with previous and current coordinates
> Step=   69, Dmax= 6.6e-02 nm, Epot= -4.00963e+06 Fmax= 4.49243e+05, 
> atom= 3607
> Step=   70, Dmax= 8.0e-02 nm, Epot= -4.02678e+06 Fmax= 1.17113e+05, 
> atom= 3607
> Step=   71, Dmax= 9.6e-02 nm, Epot= -4.07699e+06 Fmax= 7.52519e+05, 
> atom= 3614
>
> step 72: Water molecule starting at atom 212809 can not be settled.
> Check for bad contacts and/or reduce the timestep if appropriate.
> Wrote pdb files with previous and current coordinates
> Step=   72, Dmax= 1.1e-01 nm, Epot= -4.07756e+06 Fmax= 1.16158e+06, 
> atom= 3614
> Step=   73, Dmax= 1.4e-01 nm, Epot= -4.10951e+06 Fmax= 1.30165e+05, 
> atom= 3613
> Step=   74, Dmax= 1.7e-01 nm, Epot= -4.14116e+06 Fmax= 4.07543e+06, 
> atom= 3613
>
> step 75: Water molecule starting at atom 212809 can not be settled.
> Check for bad contacts and/or reduce the timestep if appropriate.
> Wrote pdb files with previous and current coordinates
> Step=   75, Dmax= 2.0e-01 nm, Epot= -4.18383e+06 Fmax= 8.70248e+05, 
> atom= 212809
> Step=   76, Dmax= 2.4e-01 nm, Epot= -4.20933e+06 Fmax= 1.39623e+05, 
> atom= 3613
> Step=   78, Dmax= 1.4e-01 nm, Epot= -4.26151e+06 Fmax= 9.65736e+05, 
> atom= 3613
>
> step 79: Water molecule starting at atom 212809 can not be settled.
> Check for bad contacts and/or reduce the timestep if appropriate.
> Wrote pdb files with previous and current coordinates
> Step=   79, Dmax= 1.7e-01 nm, Epot= -4.26416e+06 Fmax= 9.92323e+05, 
> atom= 212809
> Step=   80, Dmax= 2.1e-01 nm, Epot= -4.28752e+06 Fmax= 1.65125e+05, 
> atom= 3613
> Step=   81, Dmax= 2.5e-01 nm, Epot= -4.35502e+06 Fmax= 8.28132e+05, 
> atom= 3613
>
> step 82: Water molecule starting at atom 212809 can not be settled.
> Check for bad contacts and/or reduce the timestep if appropriate.
> Wrote pdb files with previous and current coordinates
> Step=   82, Dmax= 3.0e-01 nm, Epot= -1.93670e+06 Fmax= 2.75398e+08, 
> atom= 3607
> step 83: Water molecule starting at atom 212809 can not be settled.
> Check for bad contacts and/or reduce the timestep if appropriate.
> Wrote pdb files with previous and current coordinates
> Step=   83, Dmax= 1.5e-01 nm, Epot= -4.36885e+06 Fmax= 3.77499e+09, 
> atom= 212809
> Step=   84, Dmax= 1.8e-01 nm, Epot= -4.36949e+06 Fmax= 4.70130e+05, 
> atom= 3607
> Step=   85, Dmax= 2.1e-01 nm, Epot= -4.39550e+06 Fmax= 6.53132e+05, 
> atom= 3607
>
> step 86: Water molecule starting at atom 129571 can not be settled.
> Check for bad contacts and/or reduce the timestep if appropriate.
> Wrote pdb files with previous and current coordinates
>
>
>
> On Tue, Jun 21, 2011 at 3:15 PM, bharat gupta 
> <bharat.85.monu at gmail.com <mailto:bharat.85.monu at gmail.com>> wrote:
>
>     I fixed it ... but now after using the command : grompp -f em.mdp
>     -c solv.gro -p topol.top -o ions.tpr
>
>     I am getting a charge of  -9.999971e-01
>
>
>     Since the charge has to be in whole number, what shall I do in
>     this case. (The ligand that I am using is phosphotyrosine)
>
>
>
>     On Tue, Jun 21, 2011 at 2:13 PM, Mark Abraham
>     <Mark.Abraham at anu.edu.au <mailto:Mark.Abraham at anu.edu.au>> wrote:
>
>         On 21/06/2011 3:03 PM, bharat gupta wrote:
>
>             Now I changed the .top file in this way and I am getting
>             this error now :-
>
>             change :- ; Include forcefield parameters
>             #include "charmm27.ff/forcefield.itp"
>
>             ;Include ligand topology
>             #include "PTR.itp"
>
>             [ moleculetype ]
>             ; Name            nrexcl
>             Protein_chain_A     3
>
>             =====================
>
>             error:-
>
>
>             Ignoring obsolete mdp entry 'title'
>
>             Back Off! I just backed up mdout.mdp to ./#mdout.mdp.8#
>             Generated 23220 of the 23220 non-bonded parameter combinations
>             Generating 1-4 interactions: fudge = 1
>             Generated 20092 of the 23220 1-4 parameter combinations
>             Excluding 3 bonded neighbours molecule type 'Protein_chain_A'
>
>             -------------------------------------------------------
>             Program grompp, VERSION 4.5.4
>             Source code file: toppush.c, line: 1987
>
>             Fatal error:
>             No such moleculetype LIG
>             For more information and tips for troubleshooting, please
>             check the GROMACS
>             website at http://www.gromacs.org/Documentation/Errors
>             -------------------------------------------------------
>
>
>         You have to make an attempt to solve your own problems :-) We
>         have better things to do than oversee every move you make.
>         Follow that link and read about this issue.
>
>
>         Mark
>         -- 
>         gmx-users mailing list gmx-users at gromacs.org
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>
>
>
>
>     -- 
>     Bharat
>     Ph.D. Candidate
>     Room No. : 7202A, 2nd Floor
>     Biomolecular Engineering Laboratory
>     Division of Chemical Engineering and Polymer Science
>     Pusan National University
>     Busan -609735
>     South Korea
>     Lab phone no. - +82-51-510-3680, +82-51-583-8343
>     Mobile no. - 010-5818-3680
>     E-mail : monu46010 at yahoo.com <mailto:monu46010 at yahoo.com>
>
>
>
>
> -- 
> Bharat
> Ph.D. Candidate
> Room No. : 7202A, 2nd Floor
> Biomolecular Engineering Laboratory
> Division of Chemical Engineering and Polymer Science
> Pusan National University
> Busan -609735
> South Korea
> Lab phone no. - +82-51-510-3680, +82-51-583-8343
> Mobile no. - 010-5818-3680
> E-mail : monu46010 at yahoo.com <mailto:monu46010 at yahoo.com>
>

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