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Literature summary for 3.1.3.16 extracted from

  • Xie, X.J.; Huang, W.; Xue, C.Z.; Wei, Q.
    The nonconserved N-terminus of protein phosphatase 2B confers its properties to protein phosphatase 1 (2009), IUBMB Life, 61, 178-183.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
chlorogenic acid PP2B but not PP1 is stimulated 4fold by 0.1 mM chlorogenic acid Homo sapiens

Cloned(Commentary)

Cloned (Comment) Organism
the catalytic subunit of calcineurin is expressed in Escherichia coli BL21 cells Homo sapiens

Protein Variants

Protein Variants Comment Organism
additional information the substitution mutant CNA(1-42)-PP1(9-330) has amino acids 1-42 of calcineurin A fused to truncated protein phosphatase 1 with N-terminal residues 1-8 deletion, the mutant is activated by both Mn2+ and Ni2+ and stimulated by chlorogenic acid Homo sapiens

Inhibitors

Inhibitors Comment Organism Structure
EDTA isozyme PP1 has low activity after depletion of Mn2+ with EDTA Homo sapiens
additional information protein phosphatase 2B is highly resistant to inhibition by okadaic acid Homo sapiens
okadaic acid
-
Homo sapiens

Metals/Ions

Metals/Ions Comment Organism Structure
Mn2+ isozyme PP1 activity is dependent on Mn2+ with 2.1fold stimulation at 3 mM Homo sapiens
Ni2+ PP2B but not PP1 is stimulated by Ni2+ Homo sapiens

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
37000
-
protein phosphatase 1, SDS-PAGE Homo sapiens
61000
-
recombinant catalytic subunit of calcineurin, SDS-PAGE Homo sapiens

Organism

Organism UniProt Comment Textmining
Homo sapiens
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
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 RII + H2O
-
Homo sapiens protein RII + phosphate
-
?

Synonyms

Synonyms Comment Organism
calcineurin
-
Homo sapiens
CNA calcineurin catalytic subunit Homo sapiens
PP1
-
Homo sapiens
PP1c protein phosphatase 1 catalytic subunit Homo sapiens
PP2B
-
Homo sapiens
protein phosphatase 1
-
Homo sapiens
protein phosphatase 2B
-
Homo sapiens

IC50 Value

IC50 Value IC50 Value Maximum Comment Organism Inhibitor Structure
0.00003
-
protein phosphatase 1 Homo sapiens okadaic acid
0.00012
-
mutant enzyme CNA(1-42)-PP1(9-330) Homo sapiens okadaic acid
0.005
-
protein phosphatase 2B Homo sapiens okadaic acid