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Literature summary for 3.1.3.16 extracted from

  • Rubiolo, J.A.; Lopez-Alonso, H.; Alfonso, A.; Vega, F.V.; Vieytes, M.R.; Botana, L.M.
    Characterization and activity determination of the human protein phosphatase 2A catalytic subunit alpha expressed in insect larvae (2012), Appl. Biochem. Biotechnol., 167, 918-928.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
the catalytic subunit alpha of protein phosphatase 2A is expressed in Trichoplusia ni insect larvae Homo sapiens

Inhibitors

Inhibitors Comment Organism Structure
calyculin-A
-
Homo sapiens
cantharidine
-
Homo sapiens
dinophysistoxin-2
-
Homo sapiens
fostriecin
-
Homo sapiens
microsystin-LR
-
Homo sapiens
nodularin
-
Homo sapiens
okadaic acid
-
Homo sapiens
tautomycin
-
Homo sapiens

Localization

Localization Comment Organism GeneOntology No. Textmining
cytoplasm
-
Homo sapiens 5737
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
36000
-
x * 36000, SDS-PAGE Homo sapiens

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
phosphoprotein + H2O Homo sapiens
-
protein + phosphate
-
?

Organism

Organism UniProt Comment Textmining
Homo sapiens P67775
-
-

Purification (Commentary)

Purification (Comment) Organism
nickel affinity column chromatography Homo sapiens

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
94
-
purified enzyme, at pH 8.1 and 30°C Homo sapiens

Storage Stability

Storage Stability Organism
-20°C, Tris at pH 7.2 and 0.05% (w/v) sodium azide, 2 months, no loss of activity Homo sapiens
4-22°C, Tris-HCl and 0.05% (w/v) sodium azide, 1 month, 90% loss of activity Homo sapiens

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-nitrophenyl phosphate + H2O
-
Homo sapiens 4-nitrophenol + phosphate
-
?
phosphoprotein + H2O
-
Homo sapiens protein + phosphate
-
?

Subunits

Subunits Comment Organism
? x * 36000, SDS-PAGE Homo sapiens

Synonyms

Synonyms Comment Organism
PP2Acalpha
-
Homo sapiens
protein phosphatase 2A
-
Homo sapiens

IC50 Value

IC50 Value IC50 Value Maximum Comment Organism Inhibitor Structure
0.00000023
-
at pH 8.1 and 30°C Homo sapiens okadaic acid
0.00000041
-
at pH 8.1 and 30°C Homo sapiens dinophysistoxin-2