Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 4.3.1.3 extracted from

  • Rechler, M.M.; Tabor, H.
    Histidine ammonia-lyase (Pseudomonas) (1971), Methods Enzymol., 17B, 63-69.
No PubMed abstract available

Activating Compound

Activating Compound Comment Organism Structure
2-mercaptoethanol activates Pseudomonas sp.
dithiothreitol activates Pseudomonas sp.
GSH activates Pseudomonas sp.

Inhibitors

Inhibitors Comment Organism Structure
biguanide
-
Pseudomonas sp.
bisulfite
-
Pseudomonas putida
bisulfite sodiumbisulfite Pseudomonas sp.
CN- KCN Pseudomonas putida
CN- KCN Pseudomonas sp.
EDTA
-
Pseudomonas putida
EDTA
-
Pseudomonas sp.
hydroxylamine
-
Pseudomonas sp.
L-cysteine
-
Pseudomonas putida
L-cysteine
-
Pseudomonas sp.
L-tyrosine heat-purified enzyme, at low concentrations, pH 7-8 Pseudomonas sp.
NaBH4
-
Pseudomonas sp.
p-hydroxyphenylpyruvate heat-purified enzyme, at low concentrations, pH 7-8 Pseudomonas sp.
p-mercuribenzoate inhibits mercaptoethanol-activated enzyme Pseudomonas sp.
phenylhydrazine
-
Pseudomonas sp.
Sodium diphosphate
-
Pseudomonas sp.
Urocanate
-
Pseudomonas aeruginosa
Urocanate heat-purified enzyme, at low concentrations, pH 7-8 Pseudomonas sp.

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.8
-
L-histidine 25°C Pseudomonas sp.

Metals/Ions

Metals/Ions Comment Organism Structure
Mn2+ enhances activity Pseudomonas sp.

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
210000
-
-
Pseudomonas aeruginosa
210000
-
sedimentation equilibrium Pseudomonas sp.

Organism

Organism UniProt Comment Textmining
Pseudomonas aeruginosa
-
-
-
Pseudomonas putida
-
-
-
Pseudomonas sp.
-
ATCC 11,299b
-

Purification (Commentary)

Purification (Comment) Organism
-
Pseudomonas sp.

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Pseudomonas sp.
additional information
-
-
Pseudomonas putida

Storage Stability

Storage Stability Organism
2°C, 0.1 M potassium phosphate, pH 7.2, 0.1 mM MnCl2 saturated with chloroform, stable for 9 months without loss of activity Pseudomonas sp.

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-histidine natural substrate Pseudomonas aeruginosa urocanate + NH3
-
?
L-histidine natural substrate Pseudomonas sp. urocanate + NH3
-
?
L-histidine natural substrate Pseudomonas putida urocanate + NH3
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
9
-
-
Pseudomonas sp.

pH Range

pH Minimum pH Maximum Comment Organism
8.1 9.9 50% of maximal activity at pH 8.1 and pH 9.9 Pseudomonas sp.