2NPV:
reference: Structure and dynamics of surfactin studied by NMR in micellar media., Tsan P, Volpon L, Besson F, Lancelin JM, J Am Chem Soc. 2007 Feb 21;129(7):1968-77. Epub 2007 Jan 26. PMID: 17256853

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