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Literature summary for 2.7.11.11 extracted from

  • Iyer, G.H.; Moore, M.J.; Taylor, S.S.
    Consequences of lysine 72 mutation on the phosphorylation and activation state of cAMP-dependent kinase (2005), J. Biol. Chem., 280, 8800-8807.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
cAMP dependent on Mus musculus

Cloned(Commentary)

Cloned (Comment) Organism
expression of PKA catalytic subunit Calpha as His-tagged protein in Escherichia coli strain BL21(DE3) and of HA-tagged wild-type and mutant PKA Calpha in COS cells Mus musculus

Protein Variants

Protein Variants Comment Organism
K72A site-directed mutagenesis, inactive unphosphorylated mutant Mus musculus
K72H site-directed mutagenesis, inactive unphosphorylated mutant Mus musculus
K72M site-directed mutagenesis, inactive unphosphorylated mutant Mus musculus
K72R site-directed mutagenesis, inactive unphosphorylated mutant Mus musculus
S338A site-directed mutagenesis, mutant is phosphorylated at T197, reduced activity compared to the wild-type enzyme Mus musculus
T197A site-directed mutagenesis, mutant is not phosphorylated, inactive mutant Mus musculus

Inhibitors

Inhibitors Comment Organism Structure
H-89 inhibits autophosphorylation of the catalytic subunit C, reversible Mus musculus

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+
-
Mus musculus

Organism

Organism UniProt Comment Textmining
Mus musculus
-
-
-

Posttranslational Modification

Posttranslational Modification Comment Organism
phosphoprotein phosphorylation at T197 by exogenous kinase PDK-I, the enzyme performs autophosphorylation at K72, S338 and T197, the latter is phosphorylated first and required for activity, phosphorylation of the other 2 positions take place only if T197 is already phosphorylated, mechanism Mus musculus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + Kemptide LRRASLG peptides substrate Mus musculus ADP + phosphorylated Kemptide LRRA-phosphoserine-LG ?
additional information the enzyme performs autophosphorylation at K72, S338, and T197 Mus musculus ?
-
?

Synonyms

Synonyms Comment Organism
PKA
-
Mus musculus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
assay at Mus musculus

Cofactor

Cofactor Comment Organism Structure
ATP
-
Mus musculus