1HRR:
reference: The three-dimensional solution structure of the reduced high-potential iron-sulfur protein from Chromatium vinosum through NMR., Banci L, Bertini I, Dikiy A, Kastrau DH, Luchinat C, Sompornpisut P, Biochemistry 1995 Jan 10;34(1):206-19. PMID: 7819198

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