> Message: 6
> Date: Sat, 11 Jul 2009 23:34:01 -0700
> From: Donnie Berkholz <dberkh...@gentoo.org>
> Subject: [PyMOL] Comparing B-factors of aligned residues
> To: pymol-users@lists.sourceforge.net
> Message-ID: <20090712063401.ga10...@comet>
> Content-Type: text/plain; charset=us-ascii
> 
> Hi all,
> 
> I'm trying to compare the B-factors in two homologous proteins I aligned 
> using 'super'. I can create an alignment object mapping residue pairs 
> together, so I think what I want to do should be possible. I'd like to 
> somehow use that to map the *difference* between the two CA B's onto one 
> of the structures, then color it by B-factor and color unaligned 
> residues gray.
> 
> I can't even figure out how to get at the alignment object or what's in 
> it, much less how to do this. Could anyone help me?
> 
> -- Thanks, Donnie Donnie Berkholz P. Andrew Karplus lab Oregon State 
> University 


Donnie, you can find something similar in the interfaceResidues script 
on the PyMOLWiki:

   http://pymolwiki.org/index.php/InterfaceResidues


It shows you how to load something into the B-factors and calculate the 
difference using the q field.  Don't forget you can do

   super protein1, protein2, object=foo

and foo will be the alignment differences shown as CGO.  If you could 
extract the values of the lengths of those CGO lines you'd be done.

-- J

-- 
Jason Vertrees, PhD

Boston U. -- jas...@bu.edu
Dartmouth -- j...@cs.dartmouth.edu

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