4KO3:
reference: Structural foundations for the O2 resistance of Desulfomicrobium baculatum [NiFeSe]-hydrogenase., Volbeda A, Amara P, Iannello M, De Lacey AL, Cavazza C, Fontecilla-Camps JC, Chem Commun (Camb). 2013 Jul 11;49(63):7061-3. doi: 10.1039/c3cc43619e. PMID: 23811828

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