4R5E:
reference: Crystal structures and inhibitor binding properties of plant class V chitinases: the cycad enzyme exhibits unique structural and functional features., Umemoto N, Kanda Y, Ohnuma T, Osawa T, Numata T, Sakuda S, Taira T, Fukamizo T, Plant J. 2015 Apr;82(1):54-66. doi: 10.1111/tpj.12785. Epub 2015 Mar 1. PMID: 25652217

This OCA Structure page
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