X-ray diffraction
2.02Å resolution

Crystal Structure of Choline Kinase

Source organism: Caenorhabditis elegans

Function and Biology Details

Reactions catalysed:
ATP + choline = ADP + phosphocholine
ATP + ethanolamine = ADP + O-phosphoethanolamine
Biochemical function:
Biological process:
Cellular component:
  • not assigned
Structure domain:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Choline kinase A2 Chains: A, B
Molecule details ›
Chains: A, B
Length: 429 amino acids
Theoretical weight: 49.3 KDa
Source organism: Caenorhabditis elegans
Expression system: Escherichia coli
  • Canonical: Q22942 (Residues: 1-429; Coverage: null%)
Gene names: C52B9.1, cka-2
Structure domains:

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 5ID-B
Spacegroup: P21
Unit cell:
a: 55.372Å b: 102.141Å c: 85.369Å
α: 90° β: 90.66° γ: 90°
R R work R free
0.209 0.209 0.231
Expression system: Escherichia coli