Protein
NADH-quinone oxidoreductase subunit N 1
Organism
Acidobacterium capsulatum (strain ATCC 51196 / DSM 11244 / JCM 7670 / NBRC 15755 / NCIMB 13165 / 161)
Function
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.
Similarity
Belongs to the complex I subunit 2 family.
Sequence
MIQGMTDTYPLLRILPEIIFTITGVVVMVLEPLFPKHASRKPLGWLTVLGALLALAASFYQYGLPIGTAYFGVVQTDAFSVFFHILISGIVLVSALVTIDAIKPDTENTGELFALMAFGAVGMLLMTCAAELLLVFIGLEISSIATYILAGFRRRSAKGPESAIKYFLLGSFATAFFLYGIALTYGATGTTNIPDIAAALLTSHALPLAVVGLSFILIGLAFKVSAAPFHLWTPDAYEGAPSPVVGLMSTAPKAAAFAVLLRIAYEAFPVFHFHWVPLLWIIAALSMTIGNLGALRQRNVKRMLAYSSIAHAGYLLVAFTALSPDGIAAASFYAVTYAAMNVGIFAVISHVGGYDDRLTLVEDYKGLAYRSPLLGGVMAFFLLSLIGIPFTGGFFGKFYVFSAAIHSGMIWLAIIGLINSGIAVFYYLRLLTATYSKPAESALVLTTGRPSFALLLALFLTVATTLLLGIFPGSVLARAQEGAYTFYRAPLVILGTHAGVFADPATAKSITSPTP