1I3V:
reference: Lateral recognition of a dye hapten by a llama VHH domain., Spinelli S, Tegoni M, Frenken L, van Vliet C, Cambillau C, J Mol Biol 2001 Aug 3;311(1):123-9. PMID: 11469862

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