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Literature summary for 4.2.1.49 extracted from

  • Keul, V.; Kaeppeli, F.; Ghosh, C.; Krebs, T.; Robinson, J.A.; Retey, J.
    Identification of the prosthetic group of urocanase (1979), J. Biol. Chem., 254, 843-851.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
NaBH4
-
Bos taurus
NaBH4
-
Pseudomonas putida

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
Urocanate + H2O Bos taurus
-
?
-
?
Urocanate + H2O Pseudomonas putida
-
?
-
?

Organism

Organism UniProt Comment Textmining
Bos taurus
-
-
-
Pseudomonas putida
-
formerly Pseudomonas fluorescens ATCC 12633
-
Pseudomonas putida
-
ATCC 11299
-

Purification (Commentary)

Purification (Comment) Organism
-
Bos taurus
-
Pseudomonas putida

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Bos taurus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Bos taurus
additional information
-
NaBH4 treated inactive enzyme is partially photoactivatable Pseudomonas putida
1.6
-
-
Bos taurus
1.7
-
-
Pseudomonas putida

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Urocanate + H2O
-
Bos taurus 4,5-Dihydro-4-oxo-5-imidazolepropanoate
-
?
Urocanate + H2O
-
Pseudomonas putida 4,5-Dihydro-4-oxo-5-imidazolepropanoate
-
?
Urocanate + H2O
-
Bos taurus ?
-
?
Urocanate + H2O
-
Pseudomonas putida ?
-
?

Subunits

Subunits Comment Organism
dimer
-
Pseudomonas putida

Cofactor

Cofactor Comment Organism Structure
NAD+ tightly enzyme-bound Bos taurus
NAD+ tightly enzyme-bound Pseudomonas putida