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Crystal Structure of Choline Kinase

X-ray diffraction
2.02Å resolution
PDB entry 1nw1 coloured by chain, front view.
PDB entry 1nw1 coloured by chain, side view.
PDB entry 1nw1 coloured by chain, top view.
Source organism: Caenorhabditis elegans
Assembly composition:
homo dimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Choline kinase A2
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Multimeric state: homo dimer
Accessible surface area: 30329.05 Å2
Buried surface area: 2368.38 Å2
Dissociation area: 1,184.19 Å2
Dissociation energy (ΔGdiss): 7.48 kcal/mol
Dissociation entropy (TΔSdiss): 14.03 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-173149

Macromolecules

Choline kinase A2
Chains: A, B
Length: 429 amino acids
Theoretical weight: 49.3 KDa
Source organism: Caenorhabditis elegans
Expression system: Escherichia coli
UniProt:
  • Canonical: Q22942 (Residues: 1-429; Coverage: 100%)
Gene names: C52B9.1, cka-2
Pfam: Choline/ethanolamine kinase
InterPro: Protein kinase-like domain superfamily
CATH:
SCOP: Choline kinase
Choline kinase A2 in PDB entry 1nw1, assembly 1, front view.
Choline kinase A2 in PDB entry 1nw1, assembly 1, side view.
Choline kinase A2 in PDB entry 1nw1, assembly 1, top view.
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