3CVV:
reference: The archaeal cofactor F0 is a light-harvesting antenna chromophore in eukaryotes., Glas AF, Maul MJ, Cryle M, Barends TR, Schneider S, Kaya E, Schlichting I, Carell T, Proc Natl Acad Sci U S A. 2009 Jul 14;106(28):11540-5. Epub 2009 Jul 1. PMID: 19570997

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