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OPN1MW

Gene

opsin 1, medium wave sensitive

HGNCHGNC:4206EnsemblENSG00000268221NCBI Gene2652
Locus: gene with protein productLocation: Xq28

Also known as

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

Also known asGCP · CBBM · CBD · OPN1MW1 · COD5
View full nomenclature history (9)
Previous symbolsGCP, CBBM, CBD
Alias symbolsOPN1MW1, COD5
Previous namescolor blindness, deutan, green cone photoreceptor pigment, opsin 1 (cone pigments), medium-wave-sensitive
Alias namescone dystrophy 5 (X-linked)

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.

Cone rod dystrophy
Cone-rod dystrophy
Retinal Diseases
Color Vision Defects
Retinitis Pigmentosa

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.

Opsin receptors

Provenance

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