3RZC:
reference: Cutting Edge: Structural Basis for the Recognition of {beta}-Linked Glycolipid Antigens by Invariant NKT Cells., Yu ED, Girardi E, Wang J, Zajonc DM, J Immunol. 2011 Sep 1;187(5):2079-83. Epub 2011 Aug 1. PMID: 21810611

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