[gmx-users] File input/output error:

[Mark Abraham]

willting wrote:
>  
> Dear all,
>  
> When I wrote "pdb2gmx -f MOL.pdb -o MOL.gro -p MOL.top",and  selected a  
> force field, it showed:
> 
> Opening library file /usr/local/gromacs/share/gromacs/top/ffG43a1.rtp
> Opening library file /usr/local/gromacs/share/gromacs/top/aminoacidsdat
> Reading MOL.pdb...
> -------------------------------------------------------
> Program pdb2gmx, VERSION 3.3.1
> Source code file: /root/Desktop/gromacs-3.3.1/src/gmxlib/futil.c, line: 340
> 
> File input/output error:
> MOL.pdb
> 
> what should I do?

Make sure MOL.pdb exists in the current working directory, and is readable.

Mark