1U3H:
reference: Structure of an autoimmune T cell receptor complexed with class II peptide-MHC: insights into MHC bias and antigen specificity., Maynard J, Petersson K, Wilson DH, Adams EJ, Blondelle SE, Boulanger MJ, Wilson DB, Garcia KC, Immunity 2005 Jan;22(1):81-92. PMID: 15664161

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