1SIS:
reference: [Determination of the spatial structure of insectotoxin 15A from Buthus erpeus by (1)H-NMR spectroscopy data], Lomize AL, Maiorov VN, Arsen'ev AS, Bioorg Khim 1991 Dec;17(12):1613-32. PMID: 1815511

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