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Crystal structure of human choline kinase beta in complex with phosphorylated hemicholinium-3 and adenosine nucleotide

X-ray diffraction
1.302Å resolution
PDB entry 3feg coloured by chain, front view.
PDB entry 3feg coloured by chain, side view.
PDB entry 3feg coloured by chain, top view.
Source organism: Homo sapiens
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/ethanolamine kinase
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Multimeric state: homo dimer
Accessible surface area: 30393.69 Å2
Buried surface area: 5686.52 Å2
Dissociation area: 1,176.3 Å2
Dissociation energy (ΔGdiss): 9.77 kcal/mol
Dissociation entropy (TΔSdiss): 14 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-195103

Macromolecules

Choline/ethanolamine kinase
Chain: A
Length: 379 amino acids
Theoretical weight: 44 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9Y259 (Residues: 35-395; Coverage: 91%)
Gene names: CHETK, CHKB, CHKL
Pfam: Choline/ethanolamine kinase
InterPro:
CATH:
Choline/ethanolamine kinase in PDB entry 3feg, assembly 1, front view.
Choline/ethanolamine kinase in PDB entry 3feg, assembly 1, side view.
Choline/ethanolamine kinase in PDB entry 3feg, assembly 1, top view.
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