Dear Coot developers and CCP4 list subscribers,

The density of my map is not perfect. However, I know where a specific atom
should be located. Every time I did real space fitting, the atom and the
associated chemical groups in the whole ligand ran away. Is there a way to
fix the position of this atom, and let the force field drive the fitting of
the rest of the atoms in the ligand?
Many thanks in advance!
Steve

-- 
Steve Chou

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