2BHF:
reference: Dioxygen reduction by multi-copper oxidases; a structural perspective., Bento I, Martins LO, Gato Lopes G, Armenia Carrondo M, Lindley PF, Dalton Trans. 2005 Nov 7;(21):3507-13. Epub 2005 Sep 27. PMID: 16234932

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