4RNW:
reference: STRUCTURAL AND FUNCTIONAL CONSEQUENCES OF CIRCULAR PERMUTATION ON THE ACTIVE SITE OF OLD YELLOW ENZYME., Daugherty AB, Horton JR, Cheng X, Lutz S, ACS Catal. 2015 Feb 6;5(2):892-899. doi: 10.1021/cs501702k. PMID: 25692074

This OCA Structure page
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