I used refmac5 to refine a structure out from MR. But it seems
the geometric parameters of the output model are really bad,
only 50% residues are in core region of Ramachandrans plot, all
output from procheck are not good, Rfree value of the model is about
45%. Can someone give any suggestions? Is there any special
parameters needed when the refinement is on some initial moder?
I didn't met such problem on models that are almost correct.
Any help are thankful!
Yuhe Liang
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