1LSI:
reference: Solution structure of LSIII, a long neurotoxin from the venom of Laticauda semifasciata., Connolly PJ, Stern AS, Hoch JC, Biochemistry 1996 Jan 16;35(2):418-26. PMID: 8555211

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