Hi Ed,
I just had a chance of looking at your comment more closely.
You are right it only uses PHIC if in refmacs set up you choose to refine "with prior phase information" -AFAIU.
So what exactly is the info contained in the output refmacX.mtz besides map coefficients for COOT? If it is not just the raw xray data Fo, is it Fc only, or Fc that are filled in for missing Fo?
I guess I am not really sure. I was under the impression that modelĀ“s PHIC would cause the problems, if they were present.
Best,
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