4PW8: Human Tryptophan 2,3-Dioxygenase
reference: Structural and functional analyses of human tryptophan 2,3-dioxygenase., Meng B, Wu D, Gu J, Ouyang S, Ding W, Liu ZJ, Proteins. 2014 Nov;82(11):3210-6. doi: 10.1002/prot.24653. Epub 2014 Aug 30. PMID: 25066423

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