1B0R:
reference: Crystal structures of HLA-A*0201 complexed with antigenic peptides with either the amino- or carboxyl-terminal group substituted by a methyl group., Bouvier M, Guo HC, Smith KJ, Wiley DC, Proteins 1998 Oct 1;33(1):97-106. PMID: 9741848

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