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Literature summary extracted from

  • Hassall, H.; Greenberg, D.M.
    Urocanase (beef liver) (1971), Methods Enzymol., 17B, 84-88.
No PubMed abstract available

Inhibitors

EC Number Inhibitors Comment Organism Structure
4.2.1.49 hydroxylamine
-
 Bos taurus
4.2.1.49 Imidazolepropionate competitive Bos taurus
4.2.1.49 Imidazolepyruvate non-competitive Bos taurus
4.2.1.49 NaBH4
-
 Bos taurus
4.2.1.49 p-mercuribenzoate
-
 Bos taurus
4.2.1.49 Semicarbazide
-
 Bos taurus

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
4.2.1.49 0.005
-
 Urocanate
-
 Bos taurus

Natural Substrates/ Products (Substrates)

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

Organism

EC Number Organism UniProt Comment Textmining
4.2.1.49 Bos taurus
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
4.2.1.49
-
 Bos taurus

Source Tissue

EC Number Source Tissue Comment Organism Textmining
4.2.1.49 liver
-
 Bos taurus
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
4.2.1.49 0.131
-
-
 Bos taurus

Storage Stability

EC Number Storage Stability Organism
4.2.1.49 -15¦C, stable for many months Bos taurus

Substrates and Products (Substrate)

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

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
4.2.1.49 7.2
-
-
 Bos taurus