[gmx-users] Subtraction of xpm files

[Justin A. Lemkul]

Itamar Kass wrote:
> Hi,
> 
> I have calculated the Contact Maps of two proteins (WT and mutated one) 
> and wish to compare the output XPM files. I thought the easiest way is 
> to subtract the WT CM from the mutated proteins CM. I wonder if someone 
> had done it and if so, is there any script to do so?
> 

If the matrices are of the same size (i.e., per-residue contacts), you can:

xpm2ps -combine sub

-Justin

> All the best,
> Itamar
> 

-- 
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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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