5BUQ:
reference: Structural Basis for the ATP-dependent Configuration of Adenylation Active Site in Bacillus subtilis o-Succinylbenzoyl-CoA Synthetase., Chen Y, Sun Y, Song H, Guo Z, J Biol Chem. 2015 Sep 25;290(39):23971-83. doi: 10.1074/jbc.M115.676304. Epub, 2015 Aug 14. PMID: 26276389

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