3R3F:
reference: The Catalytic Mechanism of the Hotdog-fold Enzyme Superfamily 4-Hydroxybenzoyl-CoA Thioesterase from Arthrobacter sp. Strain SU., Song F, Thoden JB, Zhuang Z, Latham J, Trujillo M, Holden HM, Dunaway-Mariano D, Biochemistry. 2012 Aug 20. PMID: 22873756

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