1Z24:
reference: The molecular structure of insecticyanin from the tobacco hornworm Manduca sexta L. at 2.6 A resolution., Holden HM, Rypniewski WR, Law JH, Rayment I, EMBO J 1987 Jun;6(6):1565-70. PMID: 3608987

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