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Literature summary for 3.1.3.48 extracted from

  • Roome, J.; O'Hare, T.; Pilch, P.F.; Brautigan, D.L.
    Protein phosphotyrosine phosphatase purified from the particulate fraction of human placenta dephosphorylates insulin and growth-factor receptors (1988), Biochem. J., 256, 493-500.
    View publication on PubMedView publication on EuropePMC

Inhibitors

Inhibitors Comment Organism Structure
H3VO4
-
Homo sapiens
molybdate
-
Homo sapiens
additional information unaffected by EDTA Homo sapiens
Zn2+
-
Homo sapiens

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.015
-
phosphotyrosyl bovine serum albumin
-
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
38000
-
1 * 38000, SDS-PAGE Homo sapiens
40000
-
gel filtration Homo sapiens

Organism

Organism UniProt Comment Textmining
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
6.6
-
substrate bovine serum albumin, calculated as micromol phosphate released per min Homo sapiens

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
bovine serum albumin + H2O
-
Homo sapiens ? + phosphate
-
?
epidermal growth factor + H2O
-
Homo sapiens ? + phosphate
-
?
insulin-like growth factor-1 + H2O
-
Homo sapiens ? + phosphate
-
?
phosphotyrosine serum albumin + H2O
-
Homo sapiens ? + phosphate
-
?
phosphotyrosyl bovine serum albumin + H2O
-
Homo sapiens tyrosyl-bovine serum albumin + phosphate
-
?

Subunits

Subunits Comment Organism
monomer 1 * 38000, SDS-PAGE Homo sapiens

Synonyms

Synonyms Comment Organism
PTP-phosphatase
-
Homo sapiens

pH Optimum

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

pH Range

pH Minimum pH Maximum Comment Organism
5 9 pH 5: 13% of maximal activity, pH 9: 50% of maximum activity Homo sapiens