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Literature summary for 4.2.1.49 extracted from

  • Hacking, A.J.; Bell, M.V.; Hassall, H.
    The purification and properties of urocanase from Pseudomonas testosteroni (1978), Biochem. J., 171, 41-50.
    View publication on PubMedView publication on EuropePMC

Inhibitors

Inhibitors Comment Organism Structure
Cu2+ non-competitive Comamonas testosteroni
Hg2+
-
Comamonas testosteroni
hydroxylamine
-
Bos taurus
hydroxylamine 10 mM, complete inhibition Comamonas testosteroni
additional information
-
Bos taurus
additional information overview Comamonas testosteroni
NaBH4
-
Bos taurus
NaBH4 strong Comamonas testosteroni
phenylhydrazine
-
Comamonas testosteroni
Semicarbazide
-
Bos taurus
Semicarbazide
-
Comamonas testosteroni
sulfite
-
Bos taurus
sulfite NaHSO3 Comamonas testosteroni

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.248
-
Urocanate
-
Comamonas testosteroni

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
58000
-
2 * 58000, SDS-PAGE Comamonas testosteroni
118000
-
meniscus depletion method Comamonas testosteroni
120000
-
sucrose density gradient centrifugation Bacillus subtilis
127000
-
gel filtration Felis catus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
Urocanate + H2O Gallus gallus
-
?
-
?
Urocanate + H2O Bacillus subtilis
-
?
-
?
Urocanate + H2O Bos taurus
-
?
-
?
Urocanate + H2O Klebsiella aerogenes
-
?
-
?
Urocanate + H2O Felis catus
-
?
-
?
Urocanate + H2O Comamonas testosteroni
-
?
-
?
Urocanate + H2O Comamonas testosteroni N.C.I.B. 10808
-
?
-
?

Organism

Organism UniProt Comment Textmining
Bacillus subtilis
-
-
-
Bos taurus
-
-
-
Comamonas testosteroni
-
N.C.I.B. 10808
-
Comamonas testosteroni N.C.I.B. 10808
-
N.C.I.B. 10808
-
Felis catus
-
-
-
Gallus gallus
-
-
-
Klebsiella aerogenes
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Comamonas testosteroni

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Gallus gallus
-
liver
-
Bos taurus
-
liver
-
Felis catus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.248
-
-
Comamonas testosteroni

Storage Stability

Storage Stability Organism
-16¦C, lyophilized, stable for several weeks Bos taurus
-18¦C, 0.1 M phosphate buffer, pH 7.0, stable for many weeks Comamonas testosteroni

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Urocanate + H2O
-
Gallus gallus 4,5-Dihydro-4-oxo-5-imidazolepropanoate
-
?
Urocanate + H2O
-
Bacillus subtilis 4,5-Dihydro-4-oxo-5-imidazolepropanoate
-
?
Urocanate + H2O
-
Bos taurus 4,5-Dihydro-4-oxo-5-imidazolepropanoate
-
?
Urocanate + H2O
-
Klebsiella aerogenes 4,5-Dihydro-4-oxo-5-imidazolepropanoate
-
?
Urocanate + H2O
-
Felis catus 4,5-Dihydro-4-oxo-5-imidazolepropanoate
-
?
Urocanate + H2O
-
Comamonas testosteroni 4,5-Dihydro-4-oxo-5-imidazolepropanoate
-
?
Urocanate + H2O
-
Comamonas testosteroni N.C.I.B. 10808 4,5-Dihydro-4-oxo-5-imidazolepropanoate
-
?
Urocanate + H2O
-
Gallus gallus ?
-
?
Urocanate + H2O
-
Bacillus subtilis ?
-
?
Urocanate + H2O
-
Bos taurus ?
-
?
Urocanate + H2O
-
Klebsiella aerogenes ?
-
?
Urocanate + H2O
-
Felis catus ?
-
?
Urocanate + H2O
-
Comamonas testosteroni ?
-
?
Urocanate + H2O
-
Comamonas testosteroni N.C.I.B. 10808 ?
-
?

Subunits

Subunits Comment Organism
dimer
-
Bacillus subtilis
dimer 2 * 58000, SDS-PAGE Comamonas testosteroni

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.2
-
-
Bos taurus
7.2
-
-
Comamonas testosteroni