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AP3B1

Chr 5q14.1

adaptor related protein complex 3 subunit beta 1

Aliases:
ADTB3A, HPS2
MANE:
ENST00000255194.11

Annotations refreshed 1 month ago.

Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • Albinism or congenital nystagmus

    BIALLELIC, autosomal or pseudoautosomal
  • Bleeding and platelet disorders

    BIALLELIC, autosomal or pseudoautosomal
  • COVID-19 research

    BIALLELIC, autosomal or pseudoautosomal
  • Familial pulmonary fibrosis

    BIALLELIC, autosomal or pseudoautosomal
  • Inherited bleeding disorders

    BIALLELIC, autosomal or pseudoautosomal
  • Intellectual disability

    BIALLELIC, autosomal or pseudoautosomal
  • Pigmentary skin disorders

    BIALLELIC, autosomal or pseudoautosomal
  • Primary immunodeficiency or monogenic inflammatory bowel disease

    BIALLELIC, autosomal or pseudoautosomal

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Disease associations (Open Targets)

  • Hermansky-Pudlak syndrome 2

    0.83
  • Hermansky-Pudlak syndrome

    0.75
  • Hermansky-Pudlak syndrome with neutropenia

    0.68
  • cancer

    0.55
  • Parkinson disease

    0.47
  • neurodegenerative disease

    0.45
  • Alzheimer disease

    0.45
  • lysosomal storage disease

    0.45
  • multiple sclerosis

    0.45
  • Abnormality of the skeletal system

    0.42

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

Protein function (UniProt)

AP-3 complex subunit beta-1

Subunit of non-clathrin- and clathrin-associated adaptor protein complex 3 (AP-3) that plays a role in protein sorting in the late-Golgi/trans-Golgi network (TGN) and/or endosomes. The AP complexes mediate both the recruitment of clathrin to membranes and the recognition of sorting signals within the cytosolic tails of transmembrane cargo molecules. AP-3 appears to be involved in the sorting of a subset of transmembrane proteins targeted to lysosomes and lysosome-related organelles. In concert with the BLOC-1 complex, AP-3 is required to target cargos into vesicles assembled at cell bodies for delivery into neurites and nerve terminals

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.