1JLZ:
reference: Solution structure of a K(+)-channel blocker from the scorpion Tityus cambridgei., Wang I, Wu SH, Chang HK, Shieh RC, Yu HM, Chen C, Protein Sci 2002 Feb;11(2):390-400. PMID: 11790849

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