5Y66:
reference: Biochemistry and structural studies of kynurenine 3-monooxygenase reveal allosteric inhibition by Ro 61-8048., Gao J, Yao L, Xia T, Liao X, Zhu D, Xiang Y, FASEB J. 2017 Dec 5. pii: fj.201700397RR. doi: 10.1096/fj.201700397RR. PMID: 29208702

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