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FKRP

Chr 19q13.32

fukutin related protein

Aliases:
LGMD2I, MDC1C, FKTR
MANE:
ENST00000318584.10

Annotations refreshed 1 month ago.

Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • Acute rhabdomyolysis

    BIALLELIC, autosomal or pseudoautosomal
  • Arthrogryposis

    BIALLELIC, autosomal or pseudoautosomal
  • Ataxia and cerebellar anomalies - narrow panel

    BIALLELIC, autosomal or pseudoautosomal
  • Cerebellar hypoplasia

    BIALLELIC, autosomal or pseudoautosomal
  • Congenital disorders of glycosylation

    BIALLELIC, autosomal or pseudoautosomal
  • Congenital muscular dystrophy

    BIALLELIC, autosomal or pseudoautosomal
  • DDG2P

    BIALLELIC, autosomal or pseudoautosomal
  • Fetal anomalies

    BIALLELIC, autosomal or pseudoautosomal

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Disease associations (Open Targets)

  • autosomal recessive limb-girdle muscular dystrophy type 2I

    0.83
  • muscular dystrophy-dystroglycanopathy type B5

    0.81
  • muscular dystrophy-dystroglycanopathy (congenital with brain and eye anomalies), type A5

    0.80
  • muscular dystrophy-dystroglycanopathy, type A

    0.73
  • myopathy caused by variation in FKRP

    0.58
  • muscular dystrophy-dystroglycanopathy (congenital with impaired intellectual development), type B, 15

    0.57
  • Abnormality of the cardiovascular system

    0.56
  • autosomal recessive limb-girdle muscular dystrophy

    0.54
  • muscular dystrophy-dystroglycanopathy (congenital with brain and eye anomalies), type A1

    0.54
  • neurodegenerative disease

    0.49

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

Protein function (UniProt)

Ribitol 5-phosphate transferase FKRP

Catalyzes the transfer of a ribitol 5-phosphate from CDP-L-ribitol to the ribitol 5-phosphate previously attached by FKTN/fukutin to the phosphorylated O-mannosyl trisaccharide (N-acetylgalactosamine-beta-3-N-acetylglucosamine-beta-4-(phosphate-6-)mannose), a carbohydrate structure present in alpha-dystroglycan (DAG1) (PubMed:26923585, PubMed:27194101, PubMed:29477842, PubMed:31949166). This constitutes the second step in the formation of the ribose 5-phosphate tandem repeat which links the phosphorylated O-mannosyl trisaccharide to the ligand binding moiety composed of repeats of 3-xylosyl-alpha-1,3-glucuronic acid-beta-1 (PubMed:25279699, PubMed:26923585, PubMed:27194101, PubMed:29477842, PubMed:31949166)

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.