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PHKB

Chr 16q12.1

phosphorylase kinase regulatory subunit beta

MANE:
ENST00000323584.10

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Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • Glycogen storage disease

    BIALLELIC, autosomal or pseudoautosomal
  • Ketotic hypoglycaemia

    BIALLELIC, autosomal or pseudoautosomal
  • Likely inborn error of metabolism

    BIALLELIC, autosomal or pseudoautosomal
  • Undiagnosed metabolic disorders

    BIALLELIC, autosomal or pseudoautosomal
  • Acute rhabdomyolysis

    BIALLELIC, autosomal or pseudoautosomal
  • Childhood onset dystonia, chorea or related movement disorder

  • Rhabdomyolysis and metabolic muscle disorders

    BIALLELIC, autosomal or pseudoautosomal

Disease associations (Open Targets)

  • glycogen storage disease IXb

    0.76
  • disorder of glycogen metabolism

    0.59
  • Glycogen storage disease due to phosphorylase kinase deficiency

    0.52
  • Glycogen storage disease due to glycogenin deficiency

    0.50
  • mitochondrial disease

    0.43
  • liver disorder

    0.26
  • dementia

    0.25
  • familial glucocorticoid deficiency

    0.25
  • hereditary disease

    0.19
  • neurodegenerative disease

    0.17

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

Protein function (UniProt)

Phosphorylase b kinase regulatory subunit beta

Phosphorylase b kinase catalyzes the phosphorylation of serine in certain substrates, including troponin I. The beta chain acts as a regulatory unit and modulates the activity of the holoenzyme in response to phosphorylation

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.