The Enzyme Database

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Accepted name: 2-aminomuconate deaminase (2-hydroxymuconate-forming)
Reaction: 2-aminomuconate + H2O = (2Z,4E)-2-hydroxyhexa-2,4-dienedioate + NH3
Glossary: 2-aminomuconate = (2Z,4E)-2-aminohexa-2,4-dienedioate
(2Z,4E)-2-hydroxyhexa-2,4-dienedioate = (2Z,4E)-2-hydroxymuconate
Other name(s): cnbZ (gene name)
Systematic name: 2-aminomuconate aminohydrolase [(2Z,4E)-2-hydroxyhexa-2,4-dienedioate-forming]
Comments: The enzyme, characterized from the bacterium Comamonas testosteroni CNB-1, converts 2-aminomuconate to 2-hydroxyhexa-2,4-dienedioate, unlike the enzymes from Pseudomonas, which produce (3E)-2-oxohex-3-enedioate (see EC, 2-aminomuconate deaminase). The enzyme also acts on 2-amino-5-chloromuconate.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Liu, L., Wu, J.F., Ma, Y.F., Wang, S.Y., Zhao, G.P. and Liu, S.J. A novel deaminase involved in chloronitrobenzene and nitrobenzene degradation with Comamonas sp. strain CNB-1. J. Bacteriol. 189 (2007) 2677–2682. [DOI] [PMID: 17259310]
[EC created 2016 as EC, transferred 2017 to EC]

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