AMBER Archive (2004)

Subject: Re: AMBER: Creating Parmtop files for NAMD

From: M. L. Dodson (
Date: Tue Apr 13 2004 - 20:39:26 CDT

On Tuesday 13 April 2004 07:37 pm, Edward Patrick Obrien wrote:
> Dear All,
> I am trying to use the AMBER force-field in NAMD. The
> problem I have is creating the parameter topology file, in
> AMBER format, for use in NAMD.
> I do not own the AMBER package and thus do not have access
> to LEAP which can create this file.
> My QUESTION is, is their any way to create the parm file of
> the system without having access to the entire AMBER suite of
> software? Is there a stand alone version of LEAP I could
> download?
> Any help would be appreciated.
> Regards,
> Ed
> PS- I've tried using the Cornell94 force-field in CHARMM format
> already.

Look at nab:

The nab distribution contains tleap, the non-gui version of LEaP.

M. L. Dodson                      
409-772-2178                                FAX: 409-772-1790

----------------------------------------------------------------------- The AMBER Mail Reflector To post, send mail to To unsubscribe, send "unsubscribe amber" to