5LO9:
reference: Electron Accepting Units of the Diheme Cytochrome c TsdA, a Bifunctional Thiosulfate Dehydrogenase/Tetrathionate Reductase., Kurth JM, Brito JA, Reuter J, Flegler A, Koch T, Franke T, Klein EM, Rowe SF, Butt JN, Denkmann K, Pereira IA, Archer M, Dahl C, J Biol Chem. 2016 Sep 30. pii: jbc.M116.753863. PMID: 27694441

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