1KJM:
reference: Crystal structures of two rat MHC class Ia (RT1-A) molecules that are associated differentially with peptide transporter alleles TAP-A and TAP-B., Rudolph MG, Stevens J, Speir JA, Trowsdale J, Butcher GW, Joly E, Wilson IA, J Mol Biol 2002 Dec 13;324(5):975-90. PMID: 12470953

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