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Literature summary for 3.6.1.8 extracted from

  • Torp-Pedersen, C.; Flodgaard, H.; Saermark, T.
    Studies on a Ca2+-dependent nucleoside triphosphate pyrophosphohydrolase in rat liver plasma membranes (1979), Biochim. Biophys. Acta, 571, 94-104.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
GMP competitive inhibition with Ki: 0.001 mM Rattus norvegicus
UDPGlc very weak Rattus norvegicus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.00032
-
ATP with 0.1 mM free Ca2+, pH 8 Rattus norvegicus
0.0022
-
GTP with 0.1 mM free Ca2+, pH 8 Rattus norvegicus

Localization

Localization Comment Organism GeneOntology No. Textmining
membrane human erythrocyte membrane Rattus norvegicus 16020
-

Metals/Ions

Metals/Ions Comment Organism Structure
Ba2+ weak activation Rattus norvegicus
Ca2+ required for activity Rattus norvegicus
Mg2+ weak activation Rattus norvegicus
Sr2+ weak activation Rattus norvegicus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
120000
-
-
Rattus norvegicus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
ATP + H2O Rattus norvegicus
-
AMP + diphosphate
-
?
CTP + H2O Rattus norvegicus
-
CMP + diphosphate
-
?

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
kidney
-
Rattus norvegicus
-
liver
-
Rattus norvegicus
-
additional information 18 tissues examined Rattus norvegicus
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + H2O
-
Rattus norvegicus AMP + diphosphate
-
?
CTP + H2O
-
Rattus norvegicus CMP + diphosphate
-
?
dATP + H2O
-
Rattus norvegicus dAMP + diphosphate
-
?
GTP + H2O
-
Rattus norvegicus GMP + diphosphate
-
?

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
0.001
-
GMP competitive inhibition Rattus norvegicus