Reaction: [protein]-L-tryptophan + O2 = [protein]-N-formyl-L-kynurenine
Glossary: N-formyl-L-kynurenine = (2S)-2-amino-4-[2-(formamido)phenyl]-4-oxobutanoic acid
Other name(s): pyrrolooxygenase; peptidyltryptophan 2,3-dioxygenase; tryptophan pyrrolooxygenase; [protein]-L-tryptophan:oxygen 2,3-oxidoreductase (decyclizing)
Systematic name: [protein]-L-tryptophan:oxygen 2,3-oxidoreductase (ring-opening)
Comments: Also acts on tryptophan.
Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number: 37256-64-7
References:
1. Frydman, R.B., Tomaro, M.L. and Frydman, B. Pyrrolooxygenase: its action on tryptophan-containing enzymes and peptides. Biochim. Biophys. Acta 284 (1972) 80-89. [PMID: 4403729]
2. Camoretti-Mercado, B. and Frydman, R.B. Separation of tryptophan pyrrolooxygenase into three molecular forms. A study of their substrate specificities using tryptophyl-containing peptides and proteins. Eur. J. Biochem. 156 (1986) 317-325. [PMID: 3699018]