[phenixbb] cis peptides
Ralf W. Grosse-Kunstleve
rwgk at yahoo.com
Sun Jan 30 09:06:15 PST 2011
> Is there an easy way to specify unwanted cis-peptides and
> remove them in refinement or with torsion dynamics or SA?
You can remove dihedral restraints like this:
dihedrals = chain A and ((resid 100 and (name CA or name C)) or (resid 101
and (name N or name CA)))
Although it will remove all dihedrals that somehow involve the selected
atoms, which may not be what you want.
You can also change
(the default is 45 degrees); this will lead to trans restraints.
If this doesn't help, could you describe more what you want to do?
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