2A9M:
reference: A mutation designed to alter crystal packing permits structural analysis of a tight-binding fluorescein-scFv complex., Honegger A, Spinelli S, Cambillau C, Pluckthun A, Protein Sci 2005 Oct;14(10):2537-49. PMID: 16195545

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