| 2HZP: reference: Crystal Structure of Homo sapiens Kynureninase(,)., Lima S, Khristoforov R, Momany C, Phillips RS, Biochemistry. 2007 Mar 13;46(10):2735-44. Epub 2007 Feb 15. PMID: 17300176 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).