[gmx-users] how to plot the difference between two contact maps

Justin A. Lemkul jalemkul at vt.edu
Thu Sep 29 20:29:10 CEST 2011



ashutosh shandilya wrote:
> Dear Users
> I have plotted contact map for protein and ligand bind complex I want to 
> plot the difference map for that. Although I have extracted coordinates 
> from the plot but I am unable to make the two dimesntional plot for the 
> differnce of contact map.
> 
> Any help regarding this would be useful.
> 

You would have to write a script that translates the .xpm codes back into 
numbers and then subtract the two files.  I don't know if xpm2ps can do this 
with "-combine sub" but it's worth a try.

-Justin

-- 
========================================

Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
MILES-IGERT Trainee
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin

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