5KEI:
reference: Post-Translational Acetylation of MbtA Modulates Mycobacterial Siderophore Biosynthesis., Vergnolle O, Xu H, Tufariello JM, Favrot L, Malek AA, Jacobs WR Jr, Blanchard JS, J Biol Chem. 2016 Aug 26. pii: jbc.M116.744532. PMID: 27566542

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