3QH3:
reference: Disparate degrees of hypervariable loop flexibility control T-cell receptor cross-reactivity, specificity, and binding mechanism., Scott DR, Borbulevych OY, Piepenbrink KH, Corcelli SA, Baker BM, J Mol Biol. 2011 Dec 2;414(3):385-400. Epub 2011 Oct 12. PMID: 22019736

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