[gmx-users] virtual sites in gromacs

Tsjerk Wassenaar tsjerkw at gmail.com
Wed Sep 18 07:23:21 CEST 2013


Hi Neha,

Yes. The MN* particles are the virtual sites.

Cheers,

Tsjerk


On Wed, Sep 18, 2013 at 7:13 AM, Neha Gandhi <n.gandhiau at gmail.com> wrote:

> Dear Users,
>
> I am trying to prepare file using pdb2gmx using Gomos 43a1 ff. I am
> using following command.
>  pdb2gmx -f input.gro -o input1.gro -vsite hydrogens -ignh
>
> Upon visualisation I could see triangle like sites. Does the output seem
> right?
>
>    75
>     1VAL    MN1    1   2.913   3.551   3.288
>     1VAL    MN2    2   2.880   3.575   3.356
>     1VAL      N    3   2.891   3.561   3.320
>     1VAL     H1    4   2.960   3.543   3.250
>     1VAL     H2    5   2.887   3.659   3.339
>     1VAL     H3    6   2.915   3.511   3.403
>     1VAL     CA    7   2.758   3.515   3.271
>     1VAL     CB    8   2.761   3.365   3.234
>     1VAL    CG1    9   2.628   3.322   3.174
>     1VAL    CG2   10   2.878   3.334   3.138
>     1VAL      C   11   2.651   3.542   3.379
>     1VAL      O   12   2.640   3.469   3.476
>     2GLN      N   13   2.578   3.652   3.361
>     2GLN      H   14   2.599   3.711   3.283
>     2GLN     CA   15   2.467   3.691   3.449
>     2GLN     CB   16   2.497   3.826   3.515
>     2GLN     CG   17   2.399   3.863   3.627
>     2GLN     CD   18   2.427   3.999   3.688
>     2GLN    OE1   19   2.428   4.101   3.617
>     2GLN    NE2   20   2.450   4.003   3.818
>     2GLN   HE21   21   2.449   3.918   3.872
>     2GLN   HE22   22   2.469   4.090   3.863
>     2GLN      C   23   2.342   3.700   3.363
>     2GLN      O   24   2.337   3.777   3.269
>     3ILE      N   25   2.242   3.620   3.396
>     3ILE      H   26   2.250   3.564   3.479
>     3ILE     CA   27   2.119   3.610   3.317
>     3ILE     CB   28   2.107   3.470   3.251
>     3ILE    CG1   29   2.228   3.440   3.162
>     3ILE    CG2   30   1.981   3.459   3.168
>     3ILE     CD   31   2.257   3.295   3.151
>     3ILE      C   32   2.000   3.634   3.409
>     3ILE      O   33   1.985   3.563   3.508
>     4VAL      N   34   1.918   3.734   3.379
>     4VAL      H   35   1.936   3.789   3.297
>     4VAL     CA   36   1.802   3.766   3.463
>     4VAL     CB   37   1.817   3.903   3.533
>     4VAL    CG1   38   1.695   3.934   3.619
>     4VAL    CG2   39   1.944   3.903   3.618
>     4VAL      C   40   1.674   3.766   3.381
>     4VAL      O   41   1.664   3.838   3.283
>     5TYR      N   42   1.580   3.682   3.422
>     5TYR      H   43   1.602   3.617   3.494
>     5TYR     CA   44   1.445   3.681   3.366
>     5TYR     CB   45   1.400   3.537   3.337
>     5TYR     CG   46   1.463   3.471   3.217
>     5TYR    CD1   47   1.572   3.386   3.230
>     5TYR    HD1   48   1.610   3.368   3.321
>     5TYR    CD2   49   1.413   3.494   3.089
>     5TYR    HD2   50   1.334   3.555   3.077
>     5TYR    CE1   51   1.629   3.326   3.120
>     5TYR    HE1   52   1.707   3.264   3.131
>     5TYR    CE2   53   1.469   3.434   2.978
>     5TYR    HE2   54   1.431   3.451   2.887
>     5TYR     CZ   55   1.578   3.351   2.993
>     5TYR     OH   56   1.632   3.291   2.882
>     5TYR     HH   57   1.582   3.321   2.800
>     5TYR      C   58   1.352   3.741   3.471
>     5TYR      O   59   1.337   3.685   3.580
>     6LYS      N   60   1.290   3.853   3.439
>     6LYS      H   61   1.306   3.895   3.349
>     6LYS     CA   62   1.197   3.917   3.532
>     6LYS     CB   63   1.271   4.015   3.624
>     6LYS     CG   64   1.323   4.142   3.559
>     6LYS     CD   65   1.428   4.211   3.649
>     6LYS     CE   66   1.468   4.349   3.597
>     6LYS   MNZ1   67   1.590   4.442   3.650
>     6LYS   MNZ2   68   1.594   4.377   3.696
>     6LYS     NZ   69   1.587   4.407   3.670
>     6LYS    HZ1   70   1.608   4.497   3.632
>     6LYS    HZ2   71   1.565   4.416   3.767
>     6LYS    HZ3   72   1.665   4.346   3.659
>     6LYS      C   73   1.080   3.982   3.461
>     6LYS     O1   74   1.065   3.973   3.340
>     6LYS     O2   75   0.988   4.044   3.539
>
> --
> Regards,
> Dr. Neha S. Gandhi,
> Curtin Research Fellow,
> School of Biomedical Sciences,
> Curtin University,
> Perth GPO U1987
> Australia
> LinkedIn
> Research Gate
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-- 
Tsjerk A. Wassenaar, Ph.D.



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