[AMBER] average 3D structure with condition

From: Michael Shokhen <michael.shokhen.biu.ac.il>
Date: Mon, 15 Feb 2016 16:42:05 +0000

Dear Amber list experts,


I use a standard cpptraj scipt for the generation of the average 3D structure of

receptor - ligand complex:


parm ../mc.prmtop
trajin ../5_/mc_md3.mdcrd
trajin ../6_/mc_md4.mdcrd
trajin ../7_/mc_md5.mdcrd
trajin ../8_/mc_md6.mdcrd
trajin ../9_/mc_md7.mdcrd
trajin ../10_/mc_md8.mdcrd
strip :WAT
strip :Cl-
center :1-508 mass origin
image origin center familiar
average av_md3-8.pdb PDB
run
quit


My question is: How to modify the cpptraj script in order to collect
for the averaging only that MD frames

where the interatomic distance:


distance R5_E89 :5.67 :89.1503

belongs to the interval from 3 to 5 A?


Many thanks,

Michael



*****************************
Michael Shokhen, PhD
Associate Professor
Department of Chemistry
Bar Ilan University,
Ramat Gan, 52900
Israel
email: shokhen.mail.biu.ac.il<https://webmail.biu.ac.il/owa/redir.aspx?C=a160ef9b9a6b4d06992402715d3ee465&URL=mailto%3ashokhen%40mail.biu.ac.il>
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Received on Mon Feb 15 2016 - 09:00:04 PST
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