2D0P:
reference: Release of a damaged cofactor from a coenzyme B12-dependent enzyme: X-ray structures of diol dehydratase-reactivating factor., Shibata N, Mori K, Hieda N, Higuchi Y, Yamanishi M, Toraya T, Structure. 2005 Dec;13(12):1745-54. PMID: 16338403

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