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Literature summary for 3.1.3.48 extracted from

  • Waheed, A.; Laidler, P.M.; Wo, Y.Y.P.; Van Etten, R.L.
    Purification and physicochemical characterization of a human placental acid phosphatase possessing phosphotyrosyl protein phosphatase activity (1988), Biochemistry, 27, 4265-4273.
    View publication on PubMed

General Stability

General Stability Organism
EDTA and dithiothreitol stabilize Homo sapiens

Inhibitors

Inhibitors Comment Organism Structure
DNA
-
Homo sapiens
H3VO4
-
Homo sapiens
L-Tartrate weak Homo sapiens
molybdate
-
Homo sapiens
NaF weak Homo sapiens
tungstate
-
Homo sapiens
Zn2+
-
Homo sapiens

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.169
-
4-nitrophenyl phosphate pH 5 Homo sapiens
1.6
-
phosphotyrosine
-
Homo sapiens
2.1
-
4-nitrophenyl phosphate pH 7 Homo sapiens

Localization

Localization Comment Organism GeneOntology No. Textmining
cytosol
-
Homo sapiens 5829
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
16900
-
x * 16900, SDS-PAGE Homo sapiens

Organism

Organism UniProt Comment Textmining
Homo sapiens
-
-
-

Posttranslational Modification

Posttranslational Modification Comment Organism
no modification
-
Homo sapiens

Purification (Commentary)

Purification (Comment) Organism
-
Homo sapiens

Source Tissue

Source Tissue Comment Organism Textmining
placenta
-
Homo sapiens
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
106
-
substrate 4-nitrophenyl phosphate Homo sapiens

Storage Stability

Storage Stability Organism
4°C, 10 mM phosphate, 10 mM sodium acetate, pH 5.0, 0.5 mg/ml enzyme, 10% v/v glycerol, stable for 6 months Homo sapiens

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-nitrophenyl phosphate + H2O
-
Homo sapiens 4-nitrophenol + phosphate
-
?
angiotensin I + H2O
-
Homo sapiens ? + phosphate
-
?
membrane protein 3 + H2O
-
Homo sapiens ? + phosphate
-
?
additional information no hydrolysis of serine phosphate, threonine phosphate, nicotinamide adenine dinucleotide phosphate Homo sapiens ?
-
?
phosphotyrosine + H2O
-
Homo sapiens tyrosine + phosphate
-
?
tyrosin kinase + H2O
-
Homo sapiens ? + phosphate
-
?

Subunits

Subunits Comment Organism
? x * 16900, SDS-PAGE Homo sapiens

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5 7
-
Homo sapiens

pH Range

pH Minimum pH Maximum Comment Organism
3 8
-
Homo sapiens