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Literature summary for 4.1.1.32 extracted from

  • Le Moullac, G.; Bacca, H.; Huvet, A.; Moal, J.; Pouvreau, S.; Van Wormhoudt, A.
    Transcriptional regulation of pyruvate kinase and phosphoenolpyruvate carboxykinase in the adductor muscle of the oyster Crassostrea gigas during prolonged hypoxia (2007), J. Exp. Zool. A, 307, 371-382.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
L-alanine
-
Crassostrea gigas

Localization

Localization Comment Organism GeneOntology No. Textmining
cytosol
-
Crassostrea gigas 5829
-

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ required Crassostrea gigas

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
6925
-
deduced from cDNA Crassostrea gigas
69250
-
calculated from amino acid sequence Crassostrea gigas

Organism

Organism UniProt Comment Textmining
Crassostrea gigas
-
-
-
Crassostrea gigas Q0KHB7
-
-

Source Tissue

Source Tissue Comment Organism Textmining
digestive gland
-
Crassostrea gigas
-
gill
-
Crassostrea gigas
-
gonad
-
Crassostrea gigas
-
mantle
-
Crassostrea gigas
-
muscle
-
Crassostrea gigas
-
muscle PEPCK mRNAs and enzyme activities are measured in muscle during prolonged hypoxia for 20 days. The PEPCK mRNA ratio in hypoxic muscle significantly increases at day 10 simultaneously to the PEPCK enzyme activity Crassostrea gigas
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
separation of mitochondrial and cytosolic fraction shows that more than 92% of the PEPCK enzyme activity is cytosolic in gills, digestive gland, mantle and muscle Crassostrea gigas
additional information
-
specific activity: 4.7 U/g (digestive glands), 0.3 U/g (gill), 3.2 U/g (gonads), 0.3 U/g (mantle), 10.9 U/g (muscle) Crassostrea gigas

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
GTP + oxaloacetate
-
Crassostrea gigas GDP + phosphoenolpyruvate + CO2
-
?

Synonyms

Synonyms Comment Organism
PEPCK
-
Crassostrea gigas
phosphoenolpyruvate carboxykinase
-
Crassostrea gigas

IC50 Value

IC50 Value IC50 Value Maximum Comment Organism Inhibitor Structure
9.3
-
in 100 mM imidazole-HCl buffer (pH 6.6), at 30°C Crassostrea gigas L-alanine