5MII:
reference: A family of archaea-like carboxylesterases preferentially expressed in the symbiotic phase of the mychorrizal fungus Tuber melanosporum., Cavazzini D, Grossi G, Levati E, Vallese F, Montanini B, Bolchi A, Zanotti G, Ottonello S, Sci Rep. 2017 Aug 9;7(1):7628. doi: 10.1038/s41598-017-08007-9. PMID: 28794466

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).