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GNPTG

Chr 16p13.3

N-acetylglucosamine-1-phosphate transferase subunit gamma

Aliases:
CAB56184, c316G12.3
MANE:
ENST00000204679.9

Annotations refreshed 1 month ago.

Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • DDG2P

    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
  • Lysosomal storage disorder

    BIALLELIC, autosomal or pseudoautosomal
  • Mucopolysaccharideosis, Gaucher, Fabry

    BIALLELIC, autosomal or pseudoautosomal
  • Retinal disorders

    BIALLELIC, autosomal or pseudoautosomal
  • Skeletal dysplasia

    BIALLELIC, autosomal or pseudoautosomal

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Disease associations (Open Targets)

  • GNPTG-mucolipidosis

    0.83
  • Retinal dystrophy

    0.45
  • Rod-cone dystrophy

    0.43
  • mucolipidosis type III, alpha/beta

    0.37
  • mucolipidosis

    0.33
  • hereditary disease

    0.19
  • type 2 diabetes mellitus

    0.14
  • diabetes mellitus

    0.12
  • Leber congenital amaurosis

    0.06
  • retinitis pigmentosa

    0.06

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

Protein function (UniProt)

N-acetylglucosamine-1-phosphotransferase subunit gamma

Non-catalytic subunit of the N-acetylglucosamine-1-phosphotransferase complex, an enzyme that catalyzes the formation of mannose 6-phosphate (M6P) markers on high mannose type oligosaccharides in the Golgi apparatus. Binds and presents the high mannose glycans of the acceptor to the catalytic alpha and beta subunits (GNPTAB). Enhances the rate of N-acetylglucosamine-1-phosphate transfer to the oligosaccharides of acid hydrolase acceptors

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.