[ccp4bb] Will 3mFo-2DFc maps have less model bias than 2mFo-DFc maps?

[Hailiang Zhang]

Hi,

I frequently find 3mFo-2DFc maps have been used for model building. I am
not sure whether they have less model bias than 2mFo-DFc maps, and I
appreciate for any references.

Best Regards, Hailiang