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Literature summary for 3.1.3.1 extracted from

  • Al-Saleh, S.S.
    Biochemical characterization of the soluble alkaline phosphatase isolated from the venomous snake W. aegyptia (2002), J. Nat. Toxins, 11, 357-365.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Caffeine uncompetitive inhibition Walterinnesia aegyptia
CN- complete inhibition at 10 mM Walterinnesia aegyptia
EDTA
-
Walterinnesia aegyptia
imidazole uncompetitive inhibition Walterinnesia aegyptia
L-leucine uncompetitive inhibition Walterinnesia aegyptia
L-phenylalanine uncompetitive inhibition Walterinnesia aegyptia
MnO4- competitive inhibition Walterinnesia aegyptia
phosphate competitive inhibition Walterinnesia aegyptia
Zn2+ complete inhibition at 15 mM Walterinnesia aegyptia

Localization

Localization Comment Organism GeneOntology No. Textmining
extracellular venom Walterinnesia aegyptia
-
-

Metals/Ions

Metals/Ions Comment Organism Structure
Zn2+ metalloenzyme Walterinnesia aegyptia

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
55000
-
x * 80000 + x * 55000, SDS-PAGE Walterinnesia aegyptia
80000
-
x * 80000 + x * 55000, SDS-PAGE Walterinnesia aegyptia

Organism

Organism UniProt Comment Textmining
Walterinnesia aegyptia
-
venomous snake
-

Purification (Commentary)

Purification (Comment) Organism
3.4fold from venom Walterinnesia aegyptia

Reaction

Reaction Comment Organism Reaction ID
a phosphate monoester + H2O = an alcohol + phosphate Wide specificity. Also catalyses transphosphorylations. Some enzymes hydrolyse diphosphate Walterinnesia aegyptia

Source Tissue

Source Tissue Comment Organism Textmining
venom
-
Walterinnesia aegyptia
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
24
-
partially purified enzyme Walterinnesia aegyptia

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-nitrophenyl phosphate + H2O
-
Walterinnesia aegyptia 4-nitrophenol + phosphate
-
?

Subunits

Subunits Comment Organism
? x * 80000 + x * 55000, SDS-PAGE Walterinnesia aegyptia

Synonyms

Synonyms Comment Organism
alkaline phosphatase
-
Walterinnesia aegyptia
ALP
-
Walterinnesia aegyptia

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
25
-
assay at Walterinnesia aegyptia

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
9.8
-
assay at Walterinnesia aegyptia

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
2
-
phosphate pH 9.8, 25°C Walterinnesia aegyptia
3
-
L-phenylalanine pH 9.8, 25°C Walterinnesia aegyptia
4
-
MnO4- pH 9.8, 25°C Walterinnesia aegyptia
5
-
imidazole pH 9.8, 25°C Walterinnesia aegyptia
5.4
-
L-leucine pH 9.8, 25°C Walterinnesia aegyptia
17.4
-
Caffeine pH 9.8, 25°C Walterinnesia aegyptia

pI Value

Organism Comment pI Value Maximum pI Value
Walterinnesia aegyptia isoelectric focusing, 2 bands at pH 6.2 and pH 6.8
-
6.2
Walterinnesia aegyptia isoelectric focusing, 2 bands at pH 6.2 and pH 6.8
-
6.8