[Chimera-users] Problem with swapaa

Elaine Meng meng at cgl.ucsf.edu
Wed Nov 20 08:12:08 PST 2019

Hi Dan,
Swapaa is for amino acids  (swap AA, “AA” meaning amino acids).  You need to use the “swapna” command for nucleic acids (swap NA). 

I hope this helps,
Elaine C. Meng, Ph.D.                       
UCSF Chimera(X) team
Department of Pharmaceutical Chemistry
University of California, San Francisco

> On Nov 19, 2019, at 1:53 PM, Dan Kool <kool at iastate.edu> wrote:
> I am having problems mutating some residues with the 'swapaa' command.
> How do I mutate to 'A' or 'G' or 'I' for example? I always get an
> error that the rotamer library doesn't support it. Is there a
> workaround or is it actually not possible to simply mutate a residue
> to one of those? I tried changing the rotamer library, but I get the
> same error.
> Best,
> Dan

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