1C52:
reference: Thermus thermophilus cytochrome-c552: A new highly thermostable cytochrome-c structure obtained by MAD phasing., Than ME, Hof P, Huber R, Bourenkov GP, Bartunik HD, Buse G, Soulimane T, J Mol Biol 1997 Aug 29;271(4):629-44. PMID: 9281430

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