[AMBER] ptraj cluster

From: George Tzotzos <gtzotzos.me.com>
Date: Sat, 20 Aug 2011 13:08:29 +0200

Hi everybody,

I'm trying to cluster the trajectory frames of a 2ns production run of a solvated complex (138 residues).

Using ptrja my.prmtop cluster.in

where cluster.in is

trajin prod_2ns.mdcrd
center :1-138 mass origin
image origin center familiar
cluster out test-out representative pdb \
        average pdb averagelinkage clusters 5.0 mass rms :1-138 .CA

produces clusters. However, when I try to visualise the clusters some frames show with unrealistic bond lengths.

I believe the problems is in the centering and imaging.

I'd appreciate if anyone could help to correct the above script.

Thanks in advance

George


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Received on Sat Aug 20 2011 - 04:30:02 PDT
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