Anomalous data might have been helpful. Zinc has an edge at 1.2837 A.
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All Things Serve the Beam
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David J. Schuller
modern man in a post-modern world
MacCHESS, Cornell University
schul...@cornell.edu
________________________________
From: CCP4 bulletin board <CCP4BB@JISCMAIL.AC.UK> on behalf of Betty Chu
<chube...@umd.edu>
Sent: Wednesday, April 19, 2023 12:58 PM
To: CCP4BB@JISCMAIL.AC.UK <CCP4BB@JISCMAIL.AC.UK>
Subject: [ccp4bb] Unknown electron density
Dear CCP4BB,
I am working on a structure refinement and came across a blob of density that
looks like an anvil (see link). Has anyone seen this before and have an idea of
what it is?
<goog_1600718957>
https://drive.google.com/file/d/1BGNwV3MujYjrV4W5m1bh3_WWd49RhJ1w/view?usp=sharing
The protein is in potassium phosphate and the components in the
crystallization/cryo condition are zinc acetate, PEG, and glycerol.
Thank you in advance for your time and help!
Betty
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