AMBER Archive (2009)

Subject: Re: [AMBER] "Cannot open file ATOMTYPE.INF, exit" when using antechamber

From: case (
Date: Wed Oct 14 2009 - 06:37:35 CDT

On Tue, Oct 13, 2009, haifeng yuan wrote:

> The molecule I am interested is a dye labeled short peptide, when
> I try to start the MD simulation on my molecule following the
> antechamber tutorial HIV-1 RT /EFZ
>, at the step 4b, it came
> up a error: "Cannot open file ATOMTYPE.INF, exit".

We need to know more about your input files, and the actual commands you used.
Note that antechamber is designed for single residues, not really for 250 atom
peptides. But without any way to try to reproduce the problem, there is
little help that people on the list can provide.


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