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EC 1.1.5.6 Details
EC number
1.1.5.6
Accepted name
formate dehydrogenase-N
Reaction
formate + a quinone = CO2 + a quinol
Other name(s)
Fdh-N, FdnGHI, nitrate-inducible formate dehydrogenase, formate dehydrogenase N, FDH-N, nitrate inducible Fdn, nitrate inducible formate dehydrogenase
Systematic name
formate:quinone oxidoreductase
Comment
The enzyme contains molybdopterin-guanine dinucleotides, five [4Fe-4S] clusters and two heme b groups. Formate dehydrogenase-N oxidizes formate in the periplasm, transferring electrons via the menaquinone pool in the cytoplasmic membrane to a dissimilatory nitrate reductase (EC 1.7.5.1), which transfers electrons to nitrate in the cytoplasm. The system generates proton motive force under anaerobic conditions [3].
History
created 2010, deleted 2017
EC Tree
1.4.3.9 created 1972, deleted 1984
1.4.3.17 created 2000, deleted 2003
1.4.3.18 proposed 2000