NDH shuttles electrons from NAD(P)H:plastoquinone, via FMN and iron-sulfur (Fe-S) centers, to quinones in the photosynthetic chain and possibly in a chloroplast respiratory chain. The immediate electron acceptor for the enzyme in this species is believed to be plastoquinone. Couples the redox reaction to proton translocation, and thus conserves the redox energy in a proton gradient. a plastoquinone + (n+1) H(+)(in) + NADH = a plastoquinol + n H(+)(out) + NAD(+) a plastoquinone + (n+1) H(+)(in) + NADPH = a plastoquinol + n H(+)(out) + NADP(+) Part of the chloroplast NDH complex, composed of a mixture of chloroplast and nucleus encoded subunits. Component of the NDH subcomplex A, at least composed of ndhH, ndhI, ndhJ, ndhK, ndhL, ndhM, ndhN and ndhO. Malfunction of the NDH complex. Belongs to the NDH complex subunit L family.