The Enzyme Database

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EC 1.13.11.16     
Accepted name: 3-carboxyethylcatechol 2,3-dioxygenase
Reaction: (1) 3-(2,3-dihydroxyphenyl)propanoate + O2 = (2Z,4E)-2-hydroxy-6-oxonona-2,4-diene-1,9-dioate
(2) (2E)-3-(2,3-dihydroxyphenyl)prop-2-enoate + O2 = (2Z,4E,7E)-2-hydroxy-6-oxonona-2,4,7-triene-1,9-dioate
For diagram of 3-phenylpropanoate catabolism, click here and for diagram of cinnamate catabolism, click here
Glossary: (2E)-3-(2,3-dihydroxyphenyl)prop-2-enoate = trans-2,3-dihydroxycinnamate
Other name(s): 2,3-dihydroxy-β-phenylpropionic dioxygenase; 2,3-dihydroxy-β-phenylpropionate oxygenase; 3-(2,3-dihydroxyphenyl)propanoate:oxygen 1,2-oxidoreductase; 3-(2,3-dihydroxyphenyl)propanoate:oxygen 1,2-oxidoreductase (decyclizing)
Systematic name: 3-(2,3-dihydroxyphenyl)propanoate:oxygen 1,2-oxidoreductase (ring-opening)
Comments: An iron protein. This enzyme catalyses a step in the pathway of phenylpropanoid compounds degradation.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, UM-BBD, CAS registry number: 105503-63-7
References:
1.  Dagley, S., Chapman, P.J. and Gibson, D.T. The metabolism of β-phenylpropionic acid by an Achromobacter. Biochem. J. 97 (1965) 643–650. [PMID: 5881653]
2.  Lam, W. W. Y and Bugg, T. D. H. Chemistry of extradiol aromatic ring cleavage: isolation of a stable dienol ring fission intermediate and stereochemistry of its enzymatic hydrolytic clevage. J. Chem. Soc., Chem. Commun. 10 (1994) 1163–1164.
3.  Díaz, E., Ferrández, A. and García, J.L. Characterization of the hca cluster encoding the dioxygenolytic pathway for initial catabolism of 3-phenylpropionic acid in Escherichia coli K-12. J. Bacteriol. 180 (1998) 2915–2923. [PMID: 9603882]
[EC 1.13.11.16 created 1972, modified 2011, modified 2012]
 
 


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