Hello all! I found the answer on: http://md.chem.rug.nl/~marrink/MARTINI/Tutorial.html Best regards, Edson. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://maillist.sys.kth.se/pipermail/gromacs.org_gmx-users/attachments/20090512/1ca2a09a/attachment.html>