IUBMB Enzyme Nomenclature


Accepted name: catechol 1,2-dioxygenase

Reaction: catechol + O2 = cis,cis-muconate

For diagram click here.

Other name(s): catechol-oxygen 1,2-oxidoreductase; 1,2-pyrocatechase; catechase; catechol 1,2-oxygenase; catechol dioxygenase; pyrocatechase; pyrocatechol 1,2-dioxygenase; CD I; CD II

Systematic name: catechol:oxygen 1,2-oxidoreductase

Comments: Requires Fe3+. Involved in the metabolism of nitro-aromatic compounds by a strain of Pseudomonas putida.

Links to other databases: BRENDA, PDB, EAWAG-BBD, EXPASY, KEGG, Metacyc, CAS registry number: 9027-16-1


1. Hayaishi, O. Direct oxygenation by O2, oxygenases. In: Boyer, P.D., Lardy, H. and Myrbäck, K. (Eds.), The Enzymes, 2nd ed., vol. 8, Academic Press, New York, 1963, p. 353-371.

2. Hayaishi, O., Katagiri, M. and Rothberg, S. Studies on oxygenases: pyrocatechase. J. Biol. Chem. 229 (1957) 905-920.

3. Sistrom, W.R. and Stanier, R.Y. The mechanism of formation of β-ketoadipic acid by bacteria. J. Biol. Chem. 210 (1954) 821-836.

4. Zeyer, J., Kocher, H.P. and Timmis, N.Influence of para-substituents on the oxidative metabolism of o-nitrophenols by Pseudomonas putida B2. Appl. Environ. Microbiol. 52 (1986) 334-339. [PMID: 3752997]

[EC created 1961 as EC, transferred 1965 to EC, transferred 1972 to EC]

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