[phenixbb] restraints for dna planarity

John Lee jklee at umn.edu
Fri Sep 12 14:42:05 PDT 2014


I'm refining a low resolution structure of a dna-protein complex (3.7A)  &
wondering if someone could help me with setting restraints in Phenix to
maintain the base-pair planarity of the dna?

With the restraints I have, even with a reference model, I'm getting
'puckering' of the base-pairs. Although the h-bonding distances seem to
hold over time, I can't seem to find a way to keep the planarity intact.

Thanks in advance for your help.

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