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Crystal structure of Human Choline Kinase A

Source organism: Homo sapiens
Biochemical function: not assigned
Biological process: not assigned
Cellular component: not assigned

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EC 2.7.1.82: Ethanolamine kinase

Reaction catalysed:
ATP + ethanolamine = ADP + O-phosphoethanolamine
Systematic name:
ATP:ethanolamine O-phosphotransferase
Alternative Name(s):
  • Ethanolamine kinase (phosphorylating)
  • Ethanolamine phosphokinase

EC 2.7.1.32: Choline kinase

Reaction catalysed:
ATP + choline = ADP + phosphocholine
Systematic name:
ATP:choline phosphotransferase
Alternative Name(s):
  • Choline kinase (phosphorylating)
  • Choline phosphokinase
  • Choline-ethanolamine kinase

GO terms

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Sequence family

Pfam Protein family (Pfam)
PF01633
Domain description: Choline/ethanolamine kinase
Occurring in:
  1. Choline kinase alpha
The deposited structure of PDB entry 2i7q contains 1 copy of Pfam domain PF01633 (Choline/ethanolamine kinase) in Choline kinase alpha. Showing 1 copy in chain A.

InterPro InterPro annotations
IPR011009
Domain description: Protein kinase-like domain superfamily
Occurring in:
  1. Choline kinase alpha
IPR038052
Domain description: Chaperonin-like RbcX superfamily
Occurring in:
  1. Choline kinase alpha

Structure domains

CATH CATH domains
3.90.1200.10
Class: Alpha Beta
Architecture: Alpha-Beta Complex
Topology: Aminoglycoside 3'-phosphotransferase; Chain: A, domain 2
Homology: Aminoglycoside 3'-phosphotransferase; Chain: A, domain 2
Occurring in:
  1. Choline kinase alpha
The deposited structure of PDB entry 2i7q contains 1 copy of CATH domain 3.90.1200.10 (Aminoglycoside 3'-phosphotransferase; Chain: A, domain 2) in Choline kinase alpha. Showing 1 copy in chain A.
3.30.200.20
Class: Alpha Beta
Architecture: 2-Layer Sandwich
Topology: Phosphorylase Kinase; domain 1
Homology: Phosphorylase Kinase; domain 1
Occurring in:
  1. Choline kinase alpha
The deposited structure of PDB entry 2i7q contains 1 copy of CATH domain 3.30.200.20 (Phosphorylase Kinase; domain 1) in Choline kinase alpha. Showing 1 copy in chain A.

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