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XYLT2

Chr 17q21.33

xylosyltransferase 2

Aliases:
XT-II, PXYLT2
MANE:
ENST00000017003.7

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Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • Bilateral congenital or childhood onset cataracts

    BIALLELIC, autosomal or pseudoautosomal
  • Congenital disorders of glycosylation

    BIALLELIC, autosomal or pseudoautosomal
  • DDG2P

    BIALLELIC, autosomal or pseudoautosomal
  • Fetal anomalies

    BIALLELIC, autosomal or pseudoautosomal
  • Likely inborn error of metabolism

    BIALLELIC, autosomal or pseudoautosomal
  • Skeletal dysplasia

    BIALLELIC, autosomal or pseudoautosomal
  • Undiagnosed metabolic disorders

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

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Disease associations (Open Targets)

  • spondylo-ocular syndrome

    0.76
  • Pseudoxanthoma elasticum

    0.46
  • hereditary disease

    0.45
  • osteogenesis imperfecta

    0.19
  • autosomal recessive inherited pseudoxanthoma elasticum

    0.15
  • nephronophthisis

    0.07
  • renal cysts and diabetes syndrome

    0.07
  • progressive familial intrahepatic cholestasis

    0.07
  • Senior-Boichis syndrome

    0.07
  • Isolated polycystic liver disease

    0.06

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

Protein function (UniProt)

Xylosyltransferase 2

Catalyzes the first step in the biosynthesis of chondroitin sulfate, heparan sulfate and dermatan sulfate proteoglycans, such as DCN. Transfers D-xylose from UDP-D-xylose to specific serine residues of the core protein

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.