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FANCB

Chr Xp22.2

FA complementation group B

Aliases:
FAB, FLJ34064, FAAP95
MANE:
ENST00000650831.1

Annotations refreshed 1 month ago.

Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • Adult solid tumours cancer susceptibility

    X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)
  • Childhood solid tumours

    X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)
  • Confirmed Fanconi anaemia or Bloom syndrome

    X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)
  • COVID-19 research

    X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)
  • Cytopenias and congenital anaemias

    X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)
  • DDG2P

    X-LINKED: hemizygous mutation in males, biallelic mutations in females
  • Fetal anomalies

    X-LINKED: hemizygous mutation in males, biallelic mutations in females
  • Haematological malignancies cancer susceptibility

    X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)

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Disease associations (Open Targets)

  • Fanconi anemia

    0.82
  • VACTERL with hydrocephalus

    0.66
  • VACTERL association, X-linked, with or without hydrocephalus

    0.57
  • acute myeloid leukemia

    0.47
  • myelodysplastic syndrome

    0.46
  • Bone marrow hypocellularity

    0.46
  • head and neck cancer

    0.37
  • anorectal malformation

    0.37
  • Fanconi anemia complementation group C

    0.37
  • retinoschisis

    0.25

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

Protein function (UniProt)

Fanconi anemia group B protein

DNA repair protein required for FANCD2 ubiquitination

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.