MT-CO1

Chr MTAR

cytochrome c oxidase subunit I

Also known as: COI, MTCO1

Contributes to cytochrome-c oxidase activity. Predicted to be involved in aerobic respiration; positive regulation of vasoconstriction; and respiratory electron transport chain. Located in mitochondrial membrane. Part of respiratory chain complex IV. [provided by Alliance of Genome Resources, Jul 2025]

OMIMResearchGenerating clinical summary…

Primary Disease Associations & Inheritance

Mitochondrial complex IV deficiency, nuclear type 24MIM #621431
AR
Mitochondrial complex IV deficiency, nuclear type 24MIM #621431
AR
UniProtLeber hereditary optic neuropathy
UniProtRecurrent myoglobinuria mitochondrial
UniProtDeafness, sensorineural, mitochondrial
UniProtColorectal cancer
0
Active trials
51
Pubs (1 yr)
P/LP submissions
P/LP missense
LOEUF
Multiple*
Mechanism· predicted

Population Genetics & Constraint

Constraint data not available from gnomAD.

ClinVar Variant Classifications

0 submitted variants in ClinVar

Protein Context — Lollipop Plot

MT-CO1 · 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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