1XFP:
reference: Chemical basis for the affinity maturation of a camel single domain antibody., De Genst E, Handelberg F, Van Meirhaeghe A, Vynck S, Loris R, Wyns L, Muyldermans S, J Biol Chem 2004 Dec 17;279(51):53593-601. Epub 2004 Sep 21. PMID: 15383540

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