1RFB:
reference: Structure of recombinant bovine interferon-gamma at 3.0 A resolution., Samudzi CT, Rubin JR, Acta Crystallogr D Biol Crystallogr. 1993 Nov 1;49(Pt 6):513-21. PMID: 15299487

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