1I0R:
reference: Crystal structures of a novel ferric reductase from the hyperthermophilic archaeon Archaeoglobus fulgidus and its complex with NADP+., Chiu HJ, Johnson E, Schroder I, Rees DC, Structure (Camb) 2001 Apr 4;9(4):311-9. PMID: 11525168

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