Skip to main content
. Author manuscript; available in PMC: 2020 Jan 30.
Published in final edited form as: Biochemistry. 2019 Apr 19;58(17):2218–2227. doi: 10.1021/acs.biochem.9b00006

Scheme 1.

Scheme 1

The chemical reactions catalyzed by CDO. (A) CDO catalyzes an iron dependent oxygenation reaction that activates O2 and inserts the two oxygen atoms into the sulfur group of L-cysteine to produce cysteinesulfinate. (B) An uncoupled autocatalytic oxidation leads to the formation of a Cys-Tyr cofactor. This uncoupled reaction is triggered by the presence of L-cysteine and O2.