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COL9A3

Gene

collagen type IX alpha 3 chain

HGNCHGNC:2219EnsemblENSG00000092758NCBI Gene1299
Locus: gene with protein productLocation: 20q13.33

Also known as

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

Also known asIDD · MED · EDM3 · FLJ90759 · DJ885L7.4.1
View full nomenclature history (7)
Alias symbolsIDD, MED, EDM3, FLJ90759, DJ885L7.4.1
Previous namescollagen, type IX, alpha 3
Alias namescollagen type IX proteoglycan

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.

Intervertebral Disc Degeneration
Genetic Diseases, Inborn
Presbycusis

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.

Collagen proteoglycansFibril associated collagens with interrupted triple helices

Provenance

HGNCCanonical human gene identity from HGNC (release 2026-07-07), updated 2023-01-20.
Open TargetsGene–disease associations from the Open Targets Platform.