AMBER: Shake&Lone Pairs

From: Lorenzo Gontrani <l.gontrani.caspur.it>
Date: Wed, 25 Oct 2006 12:58:59 +0200

Dear AMBER users, does anybody have experience about using SHAKE when extra
points are defined on several atoms (C=O lone pairs)?
After equilibrating the water molecules box around my lone-pair containing
solute, I always get SHAKE errors whenever I release the solute constraints
(or I remove water BELLY). I checked with ptraj/checkoverlap and all the
short contacts are due to LP-heavy atom interactions.
Thanks for any help

Lorenzo 

-- 
=======================================
Lorenzo Gontrani
CASPUR - http://www.caspur.it
Consorzio per le Applicazioni di Supercalcolo Per Università e Ricerca
via dei Tizii, 6 - 00185 Roma
Tel +39 06 44486812 
Fax +39 06 4957083 
GSM +39 338 7615798
Email l DOT gontrani AT caspur DOT it
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Received on Sun Oct 29 2006 - 06:07:05 PST
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