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 Chou

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