4X5E:
reference: Structures of Mycobacterium tuberculosis Anthranilate Phosphoribosyltransferase Variants Reveal the Conformational Changes That Facilitate Delivery of the Substrate to the Active Site., Cookson TV, Evans GL, Castell A, Baker EN, Lott JS, Parker EJ, Biochemistry. 2015 Oct 6;54(39):6082-92. doi: 10.1021/acs.biochem.5b00612. PMID: 26356348

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