1KTD:
reference: Structural basis of cytochrome c presentation by IE(k)., Fremont DH, Dai S, Chiang H, Crawford F, Marrack P, Kappler J, J Exp Med 2002 Apr 15;195(8):1043-52. PMID: 11956295

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