CYB5A

Gene

cytochrome b5 type A

HGNCHGNC:2570 EnsemblENSG00000166347 NCBI Gene1528

Locus: gene with protein productLocation: 18q22.3

Also known as

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

Also known asCYB5 · MCB5

View full nomenclature history (6)

Previous symbolsCYB5

Alias symbolsMCB5

Previous namescytochrome b-5, cytochrome b5 (microsomal), cytochrome b5 type A (microsomal)

Alias namesMicrosomal cytochrome b5

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.

46,XY disorder of sex development due to isolated 17,20 lyase deficiency

Cholelithiasis

Sinusitis

Carcinoma, Hepatocellular

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.

Provenance

HGNCCanonical human gene identity from HGNC (release 2026-07-07), updated 2023-01-20.

Open TargetsGene–disease associations from the Open Targets Platform.