6BM5:
reference: Water-Mediated Carbon-Oxygen Hydrogen Bonding Facilitates S-Adenosylmethionine Recognition in the Reactivation Domain of Cobalamin-Dependent Methionine Synthase., Fick RJ, Clay MC, Vander Lee L, Scheiner S, Al-Hashimi H, Trievel RC, Biochemistry. 2018 May 21. doi: 10.1021/acs.biochem.8b00375. PMID: 29733595

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