1ON4:
reference: Solution structure of Sco1: a thioredoxin-like protein Involved in cytochrome c oxidase assembly., Balatri E, Banci L, Bertini I, Cantini F, Ciofi-Baffoni S, Structure (Camb) 2003 Nov;11(11):1431-43. PMID: 14604533

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