1BBH:
reference: Atomic structure of a cytochrome c' with an unusual ligand-controlled dimer dissociation at 1.8 A resolution., Ren Z, Meyer T, McRee DE, J Mol Biol 1993 Nov 20;234(2):433-45. PMID: 8230224

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