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Literature summary for 3.1.3.67 extracted from

  • Maehama, T.; Dixon, J.E.
    The tumor suppressor, PTEN/MMAC1, dephosphorylates the lipid second messenger, phosphatidylinositol 3,4,5-trisphosphate (1998), J. Biol. Chem., 273, 13375-13378.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expression in Escherichia coli Homo sapiens

Protein Variants

Protein Variants Comment Organism
C124S complete loss of activity towards inositol 1,3,4,5-tetrakisphosphate Homo sapiens

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0989
-
Inositol 1,3,4,5-tetrakisphosphate
-
Homo sapiens
25.6
-
4-nitrophenyl phosphate
-
Homo sapiens

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
Phosphatidylinositol-3,4,5-trisphosphate + H2O Homo sapiens it is possible that the enzyme acts in vivo as a phosphoinositide 3-phosphatase by regulating phosphatidylinositol-3,4,5-trisphosphate levels Phosphatidyl inositol-4,5-bisphosphate + phosphate
-
?

Organism

Organism UniProt Comment Textmining
Homo sapiens
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
293 cell
-
Homo sapiens
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-nitrophenyl phosphate + H2O
-
Homo sapiens 4-nitrophenol + phosphate
-
?
inositol 1,3,4,5-tetrakisphosphate + H2O
-
Homo sapiens inositol 1,4,5-trisphosphate + phosphate
-
?
phosphatidylinositol 3-phosphate + H2O at 20% of the activity with phosphatidylinositol-3,4,5-trisphosphate Homo sapiens phosphatidylinositol + phosphate
-
?
Phosphatidylinositol-3,4,5-trisphosphate + H2O
-
Homo sapiens Phosphatidyl inositol-4,5-bisphosphate + phosphate
-
?
Phosphatidylinositol-3,4,5-trisphosphate + H2O it is possible that the enzyme acts in vivo as a phosphoinositide 3-phosphatase by regulating phosphatidylinositol-3,4,5-trisphosphate levels Homo sapiens Phosphatidyl inositol-4,5-bisphosphate + phosphate
-
?
phosphatidylinostitol 3,4-bisphosphate + H2O at 20% of the activity with phosphatidylinositol-3,4,5-trisphosphate Homo sapiens phosphatidylinositol 4-phosphate + phosphate
-
?

Synonyms

Synonyms Comment Organism
PTEN/MMAC1
-
Homo sapiens