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urocanate hydratase activity

Known as: urocanase activity, 3-(5-oxo-4,5-dihydro-3H-imidazol-4-yl)propanoate hydro-lyase activity, imidazolonepropionate hydrolase activity 
Catalysis of the reaction: 4-imidazolone-5-propanoate + H(+) = trans-urocanate + H(2)O. [EC:4.2.1.49, RHEA:13104]
National Institutes of Health

Papers overview

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2004
2004
Light-driven periodic changes in urocanase activity of a heterotrophic bacterium
SummaryUrocanase activity in Pseudomonas putida cells showed periodic changes corresponding to a light-dark cycle. Apparent… 
1989
1989
The stoichiometry of the tightly bound NAD+ in urocanase. Separation and characterization of fully active and inhibited forms of the enzyme.
1. Urocanase, purified by classical methods [Keul, V., Kaeppeli, F., Ghosh, C., Krebs, T., Robinson, J. A. and Rétey, J. (1979) J… 
1978
1978
[Determination of urocanase activity in the blood serum and liver tissue. Micromethod].
1978
1978
Determination of urocanase activity in the blood serum and liver tissue. Micromethod
Highly Cited
1974
Highly Cited
1974
Continuous production of urocanic acid by immobilized Achromobacter liquidum cells
Several microorganisms having higher L‐histidine ammonia‐lyase activity were immobilized into polyacrylamide gel lattice. The… 
1971
1971
Urocanic aciduria: a defect in the urocanase activity in the liver of a mentally retarded.
A new entity of inborn error of histidine metabolism was described. This was characterized by 1) urocanic aciduria, which was… 
1969
1969
A comparison of the effect of diet and of ethionine on rat liver histidine deaminase and urocanase.
Low levels of ethionine, when fed or injected, cause a marked decrease in the level of rat liver urocanase activity but produce a… 
1968
1968
Histidine metabolism after portacaval shunt in the rat.
1963
1963
Effect of Ethionine on Histidine Metabolism.∗
Summary Ethionine administration resulted in rapid and essentially complete inhibition of liver urocanase activity in the rat… 
1959
1959
The mammalian metabolism of L-histidine. II. The enzymatic formation, stabilization, purification, and properties of 4(5)-imidazolone-5(4)-propionic acid, the product of urocanase activity.
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