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CYTB

Chr MT

cytochrome b

Also known as: MTCYB

Predicted to enable electron transfer activity; metal ion binding activity; and oxidoreductase activity. Predicted to contribute to quinol-cytochrome-c reductase activity. Predicted to be involved in mitochondrial electron transport, ubiquinol to cytochrome c. Located in mitochondrial inner membrane. Implicated in ovarian carcinoma and urinary bladder cancer. [provided by Alliance of Genome Resources, Jun 2026]

OMIMResearchGenerating clinical summary…

Primary Disease Associations & Inheritance

UniProtCardiomyopathy, infantile histiocytoid
UniProtLeber hereditary optic neuropathy
0
Active trials
352
Pubs (1 yr)
—
P/LP submissions
—
P/LP missense
—
LOEUF
—
Mechanism
Some data sources returned errors (2)

ensembl: Error: Ensembl fetch failed: 400 for /lookup/symbol/homo_sapiens/CYTB?content-type=application/json

gnomad: Error: Gene not found

Population Genetics & Constraint

Constraint data not available from gnomAD.

ClinVar

No ClinVar data available.

Protein Context — Lollipop Plot

CYTB · protein map & ClinVar variants

Showing all ClinVar variants across the protein. Search a specific variant to highlight its position.

Clinical Trials

Active and recruiting trials from ClinicalTrials.gov

No active trials found for this gene.

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