Re: [AMBER] Charmm-gui conversion

From: Arnoult, Eric [JRDUS] <>
Date: Wed, 9 Dec 2015 18:26:54 +0000

Hi Mohammad,
In addition to what propose Brian, you might have to do some manual correction in your PDB file.
What are the output from leap?

-----Original Message-----
From: Brian Radak []
Sent: Wednesday, December 09, 2015 11:10 AM
To: mohammad r; AMBER Mailing List
Subject: Re: [AMBER] Charmm-gui conversion

You probably haven't loaded the necessary force field files. Can you post the /exact/ tleap commands?

On 12/09/2015 10:02 AM, mohammad r wrote:
> Hi everybody,
> I have generated a water-proteinsystem by charmm-gui (solvator section). I converted the pdb file to amberformat by using this command:” –Iinput_structure.pdb [-c substitution_definitions.csv] \ -o output_structure.pdb”(mentioned in amber tutorial “”)but when I load the pdb file in tleap and I want to save the amber top and crdfiles I got the error that some atoms does not have a type in amber. Now I wantto know that is it ok to convert just the pdb file? Is this way of conversioncorrect?
> Thank you, Mohammad.
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Brian Radak
Postdoctoral Scholar
Gordon Center for Integrative Science, W323A Department of Biochemistry & Molecular Biology University of Chicago
929 E. 57th St.
Chicago, IL 60637-1454
Tel: 773/834-2812
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Received on Wed Dec 09 2015 - 10:30:05 PST
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