2BX5:
reference: Beta-edge interactions in a pentadecameric human antibody V kappa domain., James LC, Jones PC, McCoy A, Tennent GA, Pepys MB, Famm K, Winter G, J Mol Biol. 2007 Mar 30;367(3):603-8. Epub 2006 Nov 3. PMID: 17292396

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