| ID | Sequence | Length | GC content |
|---|---|---|---|
| AGUCUGCAGCCGGAGUAAGAUGGCGGCGCUGAGGGCUUUGUGCGGCUUC… | 1847 nt | 0.5133 | |
| GAGGAAAGGAUGGAGCCUCAGGCAGCCUCGCAGUCCGGCCACAGUGUGU… | 1904 nt | 0.5289 | |
| AGUCUGCAGCCGGAGUAAGAUGGCGGCGCUGAGGGCUUUGUGCGGCUUC… | 1613 nt | 0.5195 | |
| GAGGAAAGGAUGGAGCCUCAGGCAGCCUCGCAGUCCGGCCACAGUGUGU… | 2138 nt | 0.5225 | |
| GUGGGACAGAGCCCCAGGAGAGGCAGAGAGUGAGGGAAAGGGCCUGGCC… | 2286 nt | 0.5245 | |
| AGUCUGCAGCCGGAGUAAGAUGGCGGCGCUGAGGGCUUUGUGCGGCUUC… | 1638 nt | 0.5189 | |
| AGUCUGCAGCCGGAGUAAGAUGGCGGCGCUGAGGGCUUUGUGCGGCUUC… | 1535 nt | 0.5231 | |
| GCCCCAGGAGAGGCAGAGAGUGAGGGAAAGGGCCUGGCCGGCAUGCACA… | 2042 nt | 0.5304 |
The protein encoded by this gene is a core subunit of the mitochondrial membrane respiratory chain NADH dehydrogenase (complex I). Mammalian mitochondrial complex I is composed of at least 43 different subunits, 7 of which are encoded by the mitochondrial genome, and the rest are the products of nuclear genes. The iron-sulfur protein fraction of complex I is made up of 7 subunits, including this gene product. Complex I catalyzes the NADH oxidation with concomitant ubiquinone reduction and proton ejection out of the mitochondria. Mutations in this gene are associated with mitochondrial complex I deficiency. Alternatively spliced transcript variants encoding different isoforms have been found for this gene.[provided by RefSeq, Oct 2009]
A study in the flesh fly *Sarcophaga peregrina* demonstrated that the NDUFS2 is a differentially expressed RNA marker whose expression increases during pupal development at 25°C and can be used for precise intrapuparial age estimation [Shang et al. DOI:10.1007/s00414-022-02934-7]. A review further notes that the NDUFS2 is a differentially expressed gene identified during the intra-puparial stage of *Sarcophaga peregrina* for age estimation [Mei et al. DOI:10.1016/J.Legalmed.2026.102801].