4MYZ:
reference: Cyanobacterial polyketide synthase docking domains: a tool for engineering natural product biosynthesis., Whicher JR, Smaga SS, Hansen DA, Brown WC, Gerwick WH, Sherman DH, Smith JL, Chem Biol. 2013 Nov 21;20(11):1340-51. doi: 10.1016/j.chembiol.2013.09.015. Epub , 2013 Oct 31. PMID: 24183970

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