Hi Priya,

- there is a phenix bulletin board :
http://www.phenix-online.org/mailman/listinfo/phenixbb

- you don't tell the resolution of your data so I can't tell you if 25/28 are reasonable values;

- why don't you happy with lower R-factors?

- the maps that phenix.refine creates (2mFo-DFc and mFo-DFc) are those to look at. Additionally, if you like you can calculate various kinds of OMIT maps:
http://phenix-online.org/documentation/autobuild.htm

Cheers,
Pavel.


On 11/15/2008 10:34 AM, Priya Mudgal wrote:
Dear All,

I have a general question for refinement using Phenix.  Since the
program gives much lower R/Rfree compared to CNS I am using it.  My
concern is, how model biased the 2fofc map is? After every refinement
cycle it gives the mtz files corresponding to 2fofc and fofc maps.  Is
it alright to use that or do I have to calculate the composite omit
map using CNS everytime.
I am in my final stages of refinement now.
My current R/Rfree is 25%/28%.

Thanks for your suggestions.

Regards,
Priya

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