1EL5:
reference: Monomeric sarcosine oxidase: 1. Flavin reactivity and active site binding determinants., Wagner MA, Trickey P, Chen ZW, Mathews FS, Jorns MS, Biochemistry 2000 Aug 1;39(30):8813-24. PMID: 10913292

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