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Literature summary for 3.1.3.1 extracted from

  • Harkness, D.R.
    Studies on human placental alkaline phosphatase. II. Kinetic properties and studies on the apoenzyme (1968), Arch. Biochem. Biophys., 126, 513-523.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
arsenate
-
Homo sapiens
EDTA optimal reactivation by Zn2+ or Co2+. The Zn2+-reactivated enzyme is stable, the Co2+-apoenzyme is not Homo sapiens
Mg2+
-
Homo sapiens
NaCN
-
Homo sapiens
Phenanthroline
-
Homo sapiens
phosphate
-
Homo sapiens
Trimetaphosphate
-
Homo sapiens

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.8
-
p-nitrophenyl phosphate
-
Homo sapiens
1.4
-
beta-Glycerophosphate
-
Homo sapiens
2.3
-
3'-AMP
-
Homo sapiens
2.5
-
2'-AMP
-
Homo sapiens
2.9
-
Phosphoethanolamine
-
Homo sapiens
3
-
5'-AMP
-
Homo sapiens
4
-
diphosphate
-
Homo sapiens
4.4
-
ADP
-
Homo sapiens
4.5
-
5'-dTMP
-
Homo sapiens
4.8
-
glucose 1-phosphate
-
Homo sapiens
5.7
-
ATP
-
Homo sapiens

Metals/Ions

Metals/Ions Comment Organism Structure
Zn2+ Zn2+-metalloenzyme Homo sapiens

Organism

Organism UniProt Comment Textmining
Homo sapiens
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
placenta
-
Homo sapiens
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2'-AMP + H2O
-
Homo sapiens adenosine + phosphate
-
?
2-phosphoglycerate + H2O
-
Homo sapiens glycerol + phosphate
-
?
3'-AMP + H2O
-
Homo sapiens adenosine + phosphate
-
?
5'-AMP + H2O
-
Homo sapiens adenosine + phosphate
-
?
5'-dTMP + H2O
-
Homo sapiens ?
-
?
ADP + H2O
-
Homo sapiens ?
-
?
ATP + H2O
-
Homo sapiens ?
-
?
beta-glycerophosphate + H2O
-
Homo sapiens glycerol + phosphate
-
?
diphosphate + H2O
-
Homo sapiens 2 phosphate
-
?
glucose 1-phosphate + H2O
-
Homo sapiens glucose + phosphate
-
?
p-nitrophenyl phosphate + H2O
-
Homo sapiens p-nitrophenol + phosphate
-
?
phosphoethanolamine + H2O
-
Homo sapiens phosphate + ethanolamine
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
10.5
-
hydrolysis of beta-glycerophosphate Homo sapiens

pH Range

pH Minimum pH Maximum Comment Organism
9.5 11.5 pH 9.5: about 40% of maximal activity, pH 11.5: about 45% of maximal activity, hydrolysis of beta-glycerophosphate Homo sapiens