Hi Laurie, as others suggested please try the same refinement using the latest version of Phenix. If that does not help please send me all inputs off list and I will investigate. Pavel On 3/18/22 13:11, Mark Saper wrote:
Laurie,
Really bizarre. The experts will have more info, I hope. When you model the Tyr in the posiive density, is the geometry satisfactory (including main-chain)? If so, then you might try turning off real space refinement and see what happens. Check the occupancies of the Tyr also.
-Mark _____________________ *Mark A. Saper, Ph.D.* Associate Professor Emeritus of Biological Chemistry University of Michigan Medical School [email protected] | +1 734 276 6505
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