2FAY:
reference: Identification of fungal sphingolipid C9-methyltransferases by phylogenetic profiling., Ternes P, Sperling P, Albrecht S, Franke S, Cregg JM, Warnecke D, Heinz E, J Biol Chem. 2006 Mar 3;281(9):5582-92. Epub 2005 Dec 8. PMID: 16339149

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