[gmx-users] Help with Error Message

The One And Only chappyboy29 at gmail.com
Sun Aug 25 03:18:20 CEST 2013

So I started following some tutorials online since I didn't get a response
last time. the tutorial I'm using is:
I followed that tutorial to the second page and got stuck at the step where
it asks you to input: pdb2gmx -f protein.pdb -o protein.gro -p protein.top
I picked GROMOS96 45a3 force field(11) for the force field and spc(1) for
the water model but got the following error message:
Opening force field file
Reading protein.pdb...

Program pdb2gmx, VERSION 4.6.3
Source code file:
/Users/christinalin/wget-1.14/gromacs-4.6.3/src/gmxlib/futil.c, line: 593

File input/output error:
For more information and tips for troubleshooting, please check the GROMACS
website at http://www.gromacs.org/Documentation/Errors

Help please?

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