2ABX:
reference: The crystal structure of alpha-bungarotoxin at 2.5 A resolution: relation to solution structure and binding to acetylcholine receptor., Love RA, Stroud RM, Protein Eng 1986 Oct-Nov;1(1):37-46. PMID: 3507686

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