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Re: [ccp4bb]: R32 pseudotranslational symmetry in crystal

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Have you absolutely ruled out lower-symmetry subgroups?  Including an 
erroneous symmetry operation will do a lot more damage than omitting 
non-crystallographic symmetry.

> We have a problem in refining a structure in space group R32.
> The packing looked good,  but the
> structure could not be refined below 45% R-factor. Electron density for
> one monomer is good while it is very poor for the other monomer.