Protein crystals and their evil twins.
Different types of crystal twinning are reviewed with an emphasis on how to detect the phenomenon from protein diffraction data. The recent literature and a database survey both serve as reminders to perform routine checks whenever twinning is a possibility.
Yeates
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UCLA Department of Chemistry and Biochemistry, DOE Laboratory of Structural Biology and Molecular Medicine, 405 Hilgard Avenue, Box 951569, Los Angeles CA 90095-1569, USA. yeates@mbi.ucla.edu
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D001436:Bacteriorhodopsins / Q000737:chemistry; D003460:Crystallization; D016208:Databases, Factual; D011506:Proteins / Q000737:chemistry*; D014961:X-Ray Diffraction
D011506:Proteins; D001436:Bacteriorhodopsins