2.7.1.82: ethanolamine kinase
This is an abbreviated version!
For detailed information about ethanolamine kinase, go to the full flat file.
Word Map on EC 2.7.1.82
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2.7.1.82
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choline
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phosphatidylethanolamine
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phosphoethanolamine
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cdp-ethanolamine
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phosphocholine
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kennedy
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ptdetn
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cdp-choline
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setbp1
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medicine
- 2.7.1.82
- choline
- phosphatidylethanolamine
- phosphoethanolamine
- cdp-ethanolamine
- phosphocholine
-
kennedy
-
ptdetn
- cdp-choline
-
setbp1
- medicine
Reaction
Synonyms
CEK4, choline/ethanolamine kinase, EKI, EKI1, ethanolamine kinase, ethanolamine kinase 1, ethanolamine kinase 2, ethanolamine phosphokinase, Etn kinase, EtnK, ETNK1, Etnk2, kinase, ethanolamine (phosphorylating), More, PfEK, Treki1
ECTree
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Metals Ions
Metals Ions on EC 2.7.1.82 - ethanolamine kinase
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Ca2+
Mg2+
Mn2+
Zn2+
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100% activity in the presence of 0.0015 mM Zn2+, depletion of zinc from the growth medium of wild type cells causes a 2fold increase in ethanolamine kinase activity when compared with cells grown in the presence of zinc
Mg2+
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absolute requirement for Mg2+ and Mn2+, Mg2+ is the most active divalent cation at concentrations above 5 mM, optimum: 18 mM, Mn2+ has a greater stimulatory effect on the enzyme than Mg2+ at levels less than 5 mM, presence of Mn2+ at lower concentrations of Mg2+ has an additive effect, at higher concentrations of Mg2+, Mn2+ inhibits
Mg2+
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Km MgATP2-: 10 mM, in presence of equivalent amounts of ATP and Mg2+
Mg2+
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1.25-2.5 mM ATP: reaction requires free Mg2+ rather than an ATP-Mg2+ complex for maximal velocity
Mg2+
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ethanolamine kinase I: uses MgATP2- as substrate but also has an additional requirement for Mg2+
Mg2+
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ethanolamine kinase II: requires MgATP2- as substrate, maximal activation with 10 mM of Mg2+ and ATP
Mg2+
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requires equimolar concentrations of Mg2+ and ATP (30 mM) for optimal activation
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absolute requirement for Mg2+ and Mn2+, Mg2+ is the most active divalent cation at concentrations above 5 mM, optimum: 18 mM, Mn2+ has a greater stimulatory effect on the enzyme than Mg2+ at levels less than 5 mM, presence of Mn2+ at lower concentrations of Mg2+ has an additive effect, at higher concentrations of Mg2+, Mn2+ inhibits