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CSTB

Chr 21q22.3

cystatin B

Aliases:
CST6, PME
MANE:
ENST00000291568.7

Annotations refreshed 1 month ago.

Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • Ataxia and cerebellar anomalies - narrow panel

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

    BIALLELIC, autosomal or pseudoautosomal
  • DDG2P

    BIALLELIC, autosomal or pseudoautosomal
  • Early onset dystonia

    BIALLELIC, autosomal or pseudoautosomal
  • Early onset or syndromic epilepsy

    BIALLELIC, autosomal or pseudoautosomal
  • Hereditary ataxia

    BIALLELIC, autosomal or pseudoautosomal
  • Hereditary ataxia with onset in adulthood

    BIALLELIC, autosomal or pseudoautosomal
  • Intellectual disability

    BIALLELIC, autosomal or pseudoautosomal

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Disease associations (Open Targets)

  • Unverricht-Lundborg disease

    0.81
  • Unverricht-Lundborg syndrome

    0.81
  • Progressive myoclonic epilepsy

    0.56
  • hereditary disease

    0.50
  • Dyskinesia

    0.43
  • autosomal recessive hypohidrotic ectodermal dysplasia

    0.37
  • Rolandic epilepsy

    0.35
  • microcephaly

    0.34
  • Dystonia

    0.34
  • Encephalopathy

    0.34

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

Protein function (UniProt)

Cystatin-B

This is an intracellular thiol proteinase inhibitor. Tightly binding reversible inhibitor of cathepsins L, H and B

Curated MONDO disease pages that list CSTB among their top associated genes.

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.