[Chimera-users] GLYCAM force fields and Chimera

[Elaine Meng]

Hi John,
Sorry, currently Glycam isn't included in the parameter lookup by Chimera.  Here are details on which parameter files are used for each of the force field choices:

<http://www.cgl.ucsf.edu/chimera/docs/ContributedSoftware/minimize/minimize.html#limitations>

You can assign charges manually, but it is more labor-intensive:
<http://www.cgl.ucsf.edu/chimera/docs/ContributedSoftware/minimize/minimize.html#user-specified>

Elaine
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Elaine C. Meng, Ph.D.                       
UCSF Computer Graphics Lab (Chimera team) and Babbitt Lab
Department of Pharmaceutical Chemistry
University of California, San Francisco

On Dec 26, 2012, at 11:27 PM, john Kerk wrote:

> Dear Users 
> I want to assign the partial charges of a glucose molecule using chimera-1.7 but I can not find this force field in Add charge suite although the GLYCAM force field files are existing under amber12.
> can I get help
> wishing merry Christmas ,
> John