Core subunit of the mitochondrial membrane respiratory chain NADH dehydrogenase (Complex I) that is believed to belong to the minimal assembly required for catalysis. Complex I functions in the transfer of electrons from NADH to the respiratory chain. The immediate electron acceptor for the enzyme is believed to be ubiquinone By similarity. HAMAP-Rule MF_01350
Anderson S., Nature 290:457-465(1981).
Horai S., Proc. Natl. Acad. Sci. U.S.A. 92:532-536(1995).
Moilanen J.S., Mol. Biol. Evol. 20:2132-2142(2003).