On Tuesday, 17 March, 2015 17:34:24 Manish Shah wrote:
> Hi All,
> 
> I solved a structure using molecular replacement (Phaser) and the current
> R-factor and R-free is 0.2 and 0.25. The electron density looks great for
> residues and the ligand, however, the issue is with the B-values. The
> average B-value is 110 at this stage of refinement and I could not bring it
> down. All the residues are having a high B-values ranging from 90-120,
> while the R is good. I have tried several options in CCP4 (restrained
> refinement in Refmac) to bring it down and also used other MR programs, but
> still it still continues to be in the same range.
> 
> I will look forward to any suggestions. Thank you.

What was the Wilson B factor reported by Aimless or Truncate?
What is the resolution of the data?

-- 
Ethan A Merritt
Biomolecular Structure Center,  K-428 Health Sciences Bldg
MS 357742,   University of Washington, Seattle 98195-7742

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