On Apr 4, 2011, at 12:50 PM, Phil Jeffrey wrote:

Average coordinate B of 100++ might suggest worse than 3.5 Angstrom data.

aha! …. Yes, you are correct. : ) I'm struggling with some low res. data. Mainly doing rigid body refinement of various pieces and individual xyz for a few select loops, but NOT refining ADP. Yes, The B-factors are all exactly the same. So I guess this represents the overall B correction. Thanks, Scott