On 01/28/2015 06:21 PM, Robert Hanson wrote:
> The idea of a MUTATE command has been rattling around in my brain for a
> while, and last night it hit me that we have all the pieces to do this
> right -- structural comparison using Jmol bioSMARTS, flexible fit using
> compare() and ROTATE BRANCH, atom alignment using COMPARE...ROTATE
> TRANSLATE, easy ways to reconfigure bonds with CONNECT, and a very
> serviceable MINIMIZE command. A few added tweaks, and nine hours work, and
> what do you know? Jmol has a new command today!
>
> Do try it out!
>
Q: Would it be possible to add an option to the new command to add the 
mutated residues as spearate models instead of changing the original model?

We use this in the 'Jena3D Viewer' (e.g.: 
http://jenalib.fli-leibniz.de/cgi-bin/3d_mapping.pl?CODE=1deh&APPLET=html5&VIEW=variant)
 
to visualize (crude models of) SNPs/SAPs side by side with the original 
residues.
For the mutation we currently use an external program that mutates a 
single residue (per chain). We then cut out the mutated residues and add 
them as a new model to the original PDB file and repeat this for all 
SNPs/SAPs. This minimizes the amount of data, which is especially 
relevant for proteins like hemoglobin where about 400 SNPs/SAPs are 
available. And it enables multiple mutations at the same position.
A drawback is that it doesn't work for NMR structures which already have 
multiple models. But this might be overcome by adding the new models to 
a separate second file that is loaded together with the original file.

Regards,
Rolf

-- 

Rolf Huehne
Postdoc

Leibniz Institute for Age Research - Fritz Lipmann Institute (FLI)
Beutenbergstrasse 11
07745 Jena, Germany

Phone:   +49 3641 65 6205
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E-Mail:  rhue...@fli-leibniz.de
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