4IV9:
reference: Structure of the Flavoprotein Tryptophan 2-Monooxygenase, a Key Enzyme in the Formation of Galls in Plants., Gaweska HM, Taylor AB, Hart PJ, Fitzpatrick PF, Biochemistry. 2013 Apr 4. PMID: 23521653

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