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nuoL | Proton-translocating NADH-quinone oxidoreductase, chain L; Identified by match to protein family HMM PF00361; match to protein family HMM PF00662; match to protein family HMM TIGR01974. (621 aa) | ||||
nuoM | Proton-translocating NADH-quinone oxidoreductase, chain M; Identified by similarity to SP:P31978; match to protein family HMM PF00361; match to protein family HMM TIGR01972. (507 aa) | ||||
nuoN | Proton-translocating NADH-quinone oxidoreductase, chain N; NDH-1 shuttles electrons from NADH, via FMN and iron-sulfur (Fe-S) centers, to quinones in the respiratory chain. The immediate electron acceptor for the enzyme in this species is believed to be ubiquinone. Couples the redox reaction to proton translocation (for every two electrons transferred, four hydrogen ions are translocated across the cytoplasmic membrane), and thus conserves the redox energy in a proton gradient; Belongs to the complex I subunit 2 family. (484 aa) |