nuoC2 586 NADH dehydrogenase I subunit C/D 2 NUCD2_AQUAE nuoD nuoD2 NADH-quinone oxidoreductase subunit C/D 2 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 (By similarity). aq_1314 MKWVNKGTVERVKQEFKDEVKYYETKHTKGFEVSHDFLKPLLKFLKERERFLHFVDMTCIDFPEHPNRFQGVYILYNPEENERVIVKSWAKDGKLPTVEDLWPGAKWAEREAYDMFGVVFEGHENLRRMFMWEGYEHYPLRKDFPLQGIPEVELPSLTEVLHGRTDPPSHDFELVHTKLPTLEDLERTEKARLKKKAELVLNWGPLHPGTHGTIWFLFDLEGEKVVQSDVILGQLHRGMEKLAENLHYFQFIPYTDRMDYISAICNELAYVETVERLLGVEVPEKARYIRTMFAELQRINSHLLWLGTGALDLGALTVFLYAFREREKIMDIIEGNAGYRLTSCFLRIGGVHYDLAEGTLDVVKHFIKDFPNRLKEYHTLLTRNRIWLRRTKDVGVITREDVHNYGLSGPVARGSGVPYDLRKLQPYAAYDEVEFDIPVGEVGDVYDRYLVRMEEMAQSVRIIEQCVQKLEKLPKDAPYLNKEHPAVIPPKEDVFHDLESMVKSFRVVVHGEDAPPGEVYFAGENPRGELGFFIYSKGGGKPYRTRIRSGALYNLSIFPKLIQGRTIADAIALLGSLDPVVGETDR nuoCD NDH-1 subunit C/D 2