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Hello John-- > > I am using xplor to put togther a structure > with a very small number of constraints. > I would like my helixes to behave as rigid > bodies. > > With dyana, I can simply weight the helix > building constratins more strongly than my > other NOEs by adding a weighting interger after > the contacts in the .upl file. > > Is there a simple way to do this with Xplor? > you could use the same procedure you use with Dyana- it would be easiest if you separated the helix restraints into a separate table, and then used a higher weight for that table. Alternatively, if you're happy with the starting shape of your helixes, you could just group together their respective atoms, and they'll move as rigid bodies. Please let us know if you need further assistance with this. regards-- Charles -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (GNU/Linux) Comment: Processed by Mailcrypt 3.5.8 <http://mailcrypt.sourceforge.net/> iD8DBQFFL5lwPK2zrJwS/lYRAilyAJ9mrDMWiFX4BV8XM4nNYevS+iJmGACfcLNF ohTxPTiJ7FU2on3fuhywYtY= =FfjY -----END PGP SIGNATURE-----
