| ID | Sequence | Length | GC content |
|---|---|---|---|
| AGUCACCCGCAGCAGGCGUGCAGUUUCCCGGCUCUCCGCGCGGCCGGGG… | 656 nt | 0.5381 | |
| AGUCACCCGCAGCAGGCGUGCAGUUUCCCGGCUCUCCGCGCGGCCGGGG… | 689 nt | 0.5298 | |
| AGUCACCCGCAGCAGGCGUGCAGUUUCCCGGCUCUCCGCGCGGCCGGGG… | 658 nt | 0.5380 | |
| AGUCACCCGCAGCAGGCGUGCAGUUUCCCGGCUCUCCGCGCGGCCGGGG… | 691 nt | 0.5297 |
The protein encoded by this gene is a subunit of the mitochondrial oxidative phosphorylation complex I (nicotinamide adenine dinucleotide: ubiquinone oxidoreductase). Complex I is localized to the inner mitochondrial membrane and functions to dehydrogenate nicotinamide adenine dinucleotide and to shuttle electrons to coenzyme Q. Complex I deficiency is the most common defect found in oxidative phosphorylation disorders and results in a range of conditions, including lethal neonatal disease, hypertrophic cardiomyopathy, liver disease, and adult-onset neurodegenerative disorders. Pseudogenes of this gene are found on chromosomes five, seven and eight. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jul 2015]
A study in humans identified the NDUFB9 as a novel genome-wide significant gene associated with the genetic predisposition to cocaine dependence in African-Americans [Huggett et al. DOI:10.1523/Jneurosci.2879-19.2020]. While not differentially expressed in postmortem prefrontal cortex neurons from individuals with cocaine use disorder, the NDUFB9 was a central entity within a robust and validated gene coexpression network associated with the disorder, with guilt-by-association analyses suggesting a potential role in cell death, synaptic plasticity, and cell adhesion.