[gmx-users] Terminal_ARG_residue causing problem in pdb2gmx

[shahid nayeem]

Dear Gromacs User
My pdb is homodimer with  Arg as c-terminal residue. With this pdb I am
etting following error in pdb2gmx command
Program pdb2gmx, VERSION 4.0.7
Source code file: pdb2gmx.c, line: 429

Fatal error:
Atom OXT in residue ARG 107 not found in rtp entry with 17 atoms
             while sorting atoms

The command executed is as follows
 pdb2gmx   -f    .pdb   -o    .gro   -p  .top

I tried to change the OXT atom name in pdb file to O2, then also I am
getting the same error.
In .rtp entry there is ARG residue as N-ter  but for C-ter ARG there is no
residue.
Please suggest.
Waiting for  helps from gromacs users.
Shahid Nayem
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