Target intelligence / Profile preview

NADH dehydrogenase subunit 4 (ND4)

Target
ND4
Molecular classification
Enzyme, Mitochondrial protein, Respiratory chain component
01

Overview

NADH dehydrogenase subunit 4 (ND4), encoded by the mitochondrial genome, is a core subunit of Complex I (NADH:ubiquinone oxidoreductase) in the mitochondrial respiratory chain. It catalyzes electron transfer from NADH to ubiquinone and facilitates proton translocation across the inner mitochondrial membrane, contributing to ATP synthesis. Mutations in ND4 are linked to several diseases, including Leber Hereditary Optic Neuropathy (LHON) and mitochondrial myopathies, due to impaired ATP production.

Other names
MT-ND4NADH-ubiquinone oxidoreductase chain 4
02

Mechanism of action

N/A

03

Biological functions

Electron transferProton translocationOxidative phosphorylationRespiratory electron transportATP synthesis
04

Disease associations

Leber Hereditary Optic Neuropathy (LHON)Mitochondrial Myopathy, EncephalopathyAge-related Macular DegenerationMesial Temporal Lobe EpilepsyCystic Fibrosis
05

Safety considerations

Mutations can lead to impaired ATP production and tissue-specific pathologies

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