[Chimera-users] modify structure

[Tim Travers]

Hello Francesco,

If you want to mutate a residue, you can try the swapaa command:
http://www.cgl.ucsf.edu/chimera/docs/UsersGuide/midas/swapaa.html

For instance:
swapaa val #0:12.a lib Dunbrack preserve true

where val is the target mutation, #0 gives the model number of the peptide
in Chimera, 12.a says to make the mutation on residue position 12 of chain
a,
lib Dunbrack tells to use the Dunbrack rotamer library, and preserve true
tries
to keep the rotamer of the mutation close to the original one.

Hope this helps,
Tim
<http://www.cgl.ucsf.edu/chimera/docs/UsersGuide/midas/swapaa.html>

On Sun, Sep 19, 2010 at 1:43 PM, Francesco Pietra <chiendarret at gmail.com>wrote:

> Hello:
> New to modify structure. I would like to modify a peptide by changing
> ARG to VAL. As I wanted to start from the conformer containing ARG, I
> tried to delete bonds, in the hope to finally change one H to CH3.
> None worked in my hands.
> Thanks for suggestions.
>
> francesco pietra
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> Chimera-users at cgl.ucsf.edu
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>
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