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COL1A1

Chr 17q21.33

collagen type I alpha 1 chain

Aliases:
OI4
MANE:
ENST00000225964.10

Annotations refreshed 1 month ago.

Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • DDG2P

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Ehlers Danlos syndrome with a likely monogenic cause

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
  • Fetal anomalies

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Inherited bleeding disorders

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Osteogenesis imperfecta

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Skeletal dysplasia

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Thoracic aortic aneurysm or dissection

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
  • Thoracic aortic aneurysm or dissection (GMS)

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted

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Disease associations (Open Targets)

  • osteogenesis imperfecta type 2

    0.85
  • osteogenesis imperfecta type 4

    0.84
  • osteogenesis imperfecta type 3

    0.84
  • osteogenesis imperfecta type 1

    0.83
  • osteogenesis imperfecta

    0.81
  • Caffey disease

    0.80
  • Ehlers-Danlos syndrome, arthrochalasic type

    0.77
  • combined osteogenesis imperfecta and Ehlers-Danlos syndrome 1

    0.77
  • Ehlers-Danlos syndrome, arthrochalasia type

    0.70
  • osteoporosis

    0.70

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

Protein function (UniProt)

Collagen alpha-1(I) chain

Type I collagen is a member of group I collagen (fibrillar forming collagen)

Curated MONDO disease pages that list COL1A1 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.