1AFR:
reference: Crystal structure of delta9 stearoyl-acyl carrier protein desaturase from castor seed and its relationship to other di-iron proteins., Lindqvist Y, Huang W, Schneider G, Shanklin J, EMBO J 1996 Aug 15;15(16):4081-92. PMID: 8861937

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