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PIGT

Chr 20q13.12

phosphatidylinositol glycan anchor biosynthesis class T

Aliases:
PIG-T
MANE:
ENST00000279036.12

Annotations refreshed 10 hours ago.

Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • Congenital disorders of glycosylation

    BIALLELIC, autosomal or pseudoautosomal
  • DDG2P

    BIALLELIC, autosomal or pseudoautosomal
  • Early onset or syndromic epilepsy

    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
  • Skeletal dysplasia

    BIALLELIC, autosomal or pseudoautosomal
  • Undiagnosed metabolic disorders

    BIALLELIC, autosomal or pseudoautosomal

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Disease associations (Open Targets)

  • multiple congenital anomalies-hypotonia-seizures syndrome 3

    0.84
  • Intellectual disability-seizures-hypotonia-ophthalmologic-skeletal anomalies syndrome

    0.70
  • hereditary disease

    0.50
  • paroxysmal nocturnal hemoglobinuria 2

    0.44
  • Neurodevelopmental delay

    0.43
  • multiple congenital anomalies-hypotonia-seizures syndrome

    0.37
  • Multiple congenital anomalies - hypotonia - seizures syndrome

    0.37
  • Global developmental delay

    0.26
  • Seizure

    0.26
  • paroxysmal nocturnal hemoglobinuria 1

    0.12

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

Protein function (UniProt)

GPI-anchor transamidase component PIGT

Component of the glycosylphosphatidylinositol-anchor (GPI-anchor) transamidase (GPI-T) complex that catalyzes the formation of the linkage between a proprotein and a GPI-anchor and participates in GPI anchored protein biosynthesis (PubMed:11483512, PubMed:12582175, PubMed:28327575, PubMed:34576938, PubMed:35165458, PubMed:35551457, PubMed:36970549, PubMed:37684232). May play a crucial role in GPI-T complex assembly in the luminal layer (PubMed:35165458, PubMed:35551457). Binds GPI-anchor (PubMed:37684232)

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.