3QXT:
reference: An anti-hapten camelid antibody reveals a cryptic binding site with significant energetic contributions from a nonhypervariable loop., Fanning SW, Horn JR, Protein Sci. 2011 Jul;20(7):1196-207. doi: 10.1002/pro.648. Epub 2011 May, 23. PMID: 21557375

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