4PI0:
reference: Effects of Zinc on Particulate Methane Monooxygenase Activity and Structure., Sirajuddin S, Barupala D, Helling S, Marcus K, Stemmler TL, Rosenzweig AC, J Biol Chem. 2014 Jun 18. pii: jbc.M114.581363. PMID: 24942740

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