1.9.6.1 benzyl viologen-nitrate reductase, mmol_1648, NAP, NAP enzyme, NapA, napA-beta, NapAB, NapABC, NapEDABC, nitrate reductase, periplasmic, periplasmic nitrate reductase, periplasmic nitrate reductases, reductase, nitrate (cytochrome), respiratory nitrate reductase, single subunit Nap-type periplasmic nitrate reductase - 1.9.6.1 NapA catalytic subunit of the periplasmic nitrate reductase system 1.9.6.1 EC 1.7.99.4 formerly, part transferred 1.9.6.1 Nap-alpha, NAP-beta, NapDAGHB, NapEDABC isoform 1.9.6.1 additional information the enzymes EC 1.7.99.4 and EC 1.9.6.1 are probably identical, in vivo cytochrome serves as electron donor in the electron transport chain to nitrate