2CBG:
reference: The thioesterase domain of the fengycin biosynthesis cluster: a structural base for the macrocyclization of a non-ribosomal lipopeptide., Samel SA, Wagner B, Marahiel MA, Essen LO, J Mol Biol. 2006 Jun 16;359(4):876-89. Epub 2006 Apr 18. PMID: 16697411

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