[phenixbb] real-space refinement hydrogens

[Alexei Gorelik]

Hi,
When refining a crystal structure in phenix.refine, presence of explicit hydrogens usually decreases the number of clashes. In the real-space refinement of a model against a cryo-EM map, however, explicit hydrogens did not improve the clashscore. Is this normal? Does it depend on resolution?
Thanks
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