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CHKB

Chr 22q13.33

choline kinase beta

Aliases:
CHETK
MANE:
ENST00000406938.3

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Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • Acute rhabdomyolysis

    BIALLELIC, autosomal or pseudoautosomal
  • Congenital muscular dystrophy

    BIALLELIC, autosomal or pseudoautosomal
  • Fetal anomalies

    BIALLELIC, autosomal or pseudoautosomal
  • Intellectual disability

    BIALLELIC, autosomal or pseudoautosomal
  • Likely inborn error of metabolism

    BIALLELIC, autosomal or pseudoautosomal
  • Rhabdomyolysis and metabolic muscle disorders

    BIALLELIC, autosomal or pseudoautosomal
  • Undiagnosed metabolic disorders

    BIALLELIC, autosomal or pseudoautosomal
  • Arthrogryposis

    BIALLELIC, autosomal or pseudoautosomal

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Disease associations (Open Targets)

  • Congenital muscular dystrophy due to phosphatidylcholine biosynthesis defect

    0.76
  • megaconial type congenital muscular dystrophy

    0.75
  • hereditary disease

    0.45
  • neurodegenerative disease

    0.39
  • muscular dystrophy

    0.29
  • chronic obstructive pulmonary disease

    0.18
  • Seizure

    0.12
  • Severe global developmental delay

    0.12
  • Blount disease

    0.09
  • upper limb mesomelic dysplasia

    0.09

Score is the Open Targets composite evidence score (0-1). Higher = stronger gene-disease association.

Protein function (UniProt)

Choline/ethanolamine kinase

Has a key role in phospholipid metabolism, and catalyzes the first step of phosphatidylethanolamine and phosphatidylcholine biosynthesis

Data sources: HGNC (CC BY 4.0), AlphaFold (CC BY 4.0, Jumper et al. Nature 2021), Genomics England PanelApp (CC BY 4.0), ClinGen, Open Targets (CC0), UniProt.

Not for sole clinical decision-making. Always verify against primary sources.