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ABO

Gene

ABO, alpha 1-3-N-acetylgalactosaminyltransferase and alpha 1-3-galactosyltransferase

HGNCHGNC:79EnsemblENSG00000175164NCBI Gene28
Locus: gene with protein productLocation: 9q34.2

Also known as

Symbols and names change; identity (the HGNC ID) does not. Previous and alternative forms are kept distinct.

Also known asA3GALNT · A3GALT1
View full nomenclature history (3)
Alias symbolsA3GALNT, A3GALT1
Previous namesABO blood group (transferase A, alpha 1-3-N-acetylgalactosaminyltransferase; transferase B, alpha 1-3-galactosyltransferase)

Associated diseases

via associated_with

Diseases linked to this gene through the canonical GENE→DISEASE (associated_with) relation, drawn from Open Targets' top-ranked associations by overall score — not the full association set. Disease-level detail lives on each disease's own page.

COVID-19
Venous Thromboembolism
Venous Thrombosis
Peptic ulcer disease
Duodenal ulcer
Diabetes Mellitus, Type 2
Glaucoma, Open-Angle
Coronary Artery Disease

Drawn from Open Targets’ top 10 associations by overall score for this gene — the subset resolved to a canonical disease. Lower-ranked associations, and diseases not yet canonicalised, are not shown.

Gene family

HGNC gene-group membership.

Glycosyltransferase family 6Blood group antigens

Provenance

HGNCCanonical human gene identity from HGNC (release 2026-07-07), updated 2021-05-26.
Open TargetsGene–disease associations from the Open Targets Platform.