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Literature summary for 2.7.1.32 extracted from

  • Ishidate, K.; Furusawa, K.; Nakazawa, Y.
    Complete co-purification of choline kinase and ethanolamine kinase from rat kidney and immunological evidence for both kinase activities residing on the same enzyme protein(s) in rat tissues (1985), Biochim. Biophys. Acta, 836, 119-124.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
ethanolamine weak competitive inhibitor Rattus norvegicus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information Km of MgATP2-: 10 mM, in presence of equimolar amounts of ATP and Mg2+, 1.5 mM, in 2.5-fold higher concentration of Mg2+ than ATP Rattus norvegicus

Localization

Localization Comment Organism GeneOntology No. Textmining
cytosol
-
Rattus norvegicus 5829
-

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ ATP concentration 1.25-2.5 mM: reaction requires free Mg2+ rather than MgATP2-, ATP concentration exceeding that of Mg2+: strong inhibition Rattus norvegicus
Mg2+ Km MgATP2-: 10 mM, in presence of equimolar amounts of ATP and Mg2+, Km MgATP2-: 1.5 mM, in 2.5 fold higher concentration of Mg2+ than ATP Rattus norvegicus

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
copurification of choline kinase and ethanolamine kinase Rattus norvegicus

Reaction

Reaction Comment Organism Reaction ID
ATP + choline = ADP + phosphocholine choline kinase and ethanolamine kinase may not have a common active site in a single enzyme protein Rattus norvegicus

Source Tissue

Source Tissue Comment Organism Textmining

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.5
-
-
Rattus norvegicus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + choline
-
Rattus norvegicus ADP + O-phosphocholine
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.5 9
-
Rattus norvegicus