1T6V:
reference: Crystal structure of a shark single-domain antibody V region in complex with lysozyme., Stanfield RL, Dooley H, Flajnik MF, Wilson IA, Science 2004 Sep 17;305(5691):1770-3. Epub 2004 Aug 19. PMID: 15319492

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