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Literature summary for 4.2.1.49 extracted from

  • Matherly, L.H.; Phillips, A.T.
    Identification of enol tautomer of imidazolone propionate as the urocanase reaction product (1983), Arch. Biochem. Biophys., 220, 314-317.
    View publication on PubMed
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Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
Urocanate + H2O Pseudomonas putida an enzyme in the histidine catabolism ?
-
 ?

Organism

Organism UniProt Comment Textmining
Pseudomonas putida
-
 formerly Pseudomonas fluorescens ATCC 12633
-

Reaction

Reaction Comment Organism Reaction ID
3-(5-oxo-4,5-dihydro-3H-imidazol-4-yl)propanoate = urocanate + H2O identification of the enol tautomer of imidazolone propionate as the reaction product Pseudomonas putida
a
3-(5-oxo-4,5-dihydro-3H-imidazol-4-yl)propanoate = urocanate + H2O investigation of the mechanism and stereospecificity by using 1H-NMR and C-NMR spectroscopy #1,2,4-8,12-14# Pseudomonas putida
a

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2-Fluorourocanate + H2O reacts 150 times more slowly than urocanate Pseudomonas putida 2-Fluoroimidazolone propionate
-
 ?
Urocanate + H2O r Pseudomonas putida 4,5-Dihydro-4-oxo-5-imidazolepropanoate
-
 ?
Urocanate + H2O an enzyme in the histidine catabolism Pseudomonas putida ?
-
 ?