From: mahesh kulharia (kulharia_at_googlemail.com)
Date: Wed Nov 12 2008 - 04:08:52 CST

Hi,

I was running the gramicidin tutorials from

http://www.ks.uiuc.edu/Research/namd/tutorial/NCSA2002/hands-on/

but in its equilibration step it crashes with the following error:

FATAL ERROR: UNABLE TO OPEN CHARMM PARAMETER FILE par-extraterms.inp

The input file does need a par-extraterms.inp file. I would be extremely
grateful if someone could provide me some clues to obtain this file.

structure grama.psf
coordinates grama.pdb
temperature 0
parameters par_all27_prot_lipid.inp
*parameters par-extraterms.inp*

paraTypeCharmm on

with best regards

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