| 6KVM: reference: A Newly Recognized Pairing Mechanism of the alpha- and beta-Chains of the Chicken Peptide-MHC Class II Complex., Zhang L, Li X, Ma L, Zhang B, Meng G, Xia C, J Immunol. 2020 Mar 15;204(6):1630-1640. doi: 10.4049/jimmunol.1901305. Epub 2020, Feb 7. PMID: 32034060 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).