4IAX:
reference: Structure-guided engineering of Anticalins with improved binding behavior and biochemical characteristics for application in radio-immuno imaging and/or therapy., Eggenstein E, Eichinger A, Kim HJ, Skerra A, J Struct Biol. 2013 Mar 27. pii: S1047-8477(13)00080-4. doi:, 10.1016/j.jsb.2013.03.009. PMID: 23542582

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