The Enzyme Database

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Accepted name: chlorobenzene dihydrodiol dehydrogenase
Reaction: (1R,2R)-3-chlorocyclohexa-3,5-diene-1,2-diol + NAD+ = 3-chlorocatechol + NADH + H+
Other name(s): tecB (gene name)
Systematic name: (1R,2R)-3-chlorocyclohexa-3,5-diene-1,2-diol:NAD+ oxidoreductase
Comments: This bacterial enzyme can transform various dihydrodiols of chlorobenzenes into the respective catechols, including the dihydrodiols of mono-, di-, tri-, and tetra-chlorinated benzenes. It also accepts the dihydrodiols of various chlorotoluenes. Substrates for the enzyme are generated by the broad spectrum EC, chlorobenzene dioxygenase.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Spiess, E. and Gorisch, H. Purification and characterization of chlorobenzene cis-dihydrodiol dehydrogenase from Xanthobacter flavus 14p1. Arch. Microbiol. 165 (1996) 201–205. [PMID: 8599538]
2.  Pollmann, K., Beil, S. and Pieper, D.H. Transformation of chlorinated benzenes and toluenes by Ralstonia sp. strain PS12 tecA (tetrachlorobenzene dioxygenase) and tecB (chlorobenzene dihydrodiol dehydrogenase) gene products. Appl. Environ. Microbiol. 67 (2001) 4057–4063. [PMID: 11526005]
3.  Pollmann, K., Wray, V. and Pieper, D.H. Chloromethylmuconolactones as critical metabolites in the degradation of chloromethylcatechols: recalcitrance of 2-chlorotoluene. J. Bacteriol. 187 (2005) 2332–2340. [PMID: 15774876]
[EC created 2018]

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