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2-Nitropropane dioxygenase (NPD)-like domain, associated with the (acyl-carrier-protein) S-malonyltransferase FabD. NPD is part of the nitroalkaneoxidizing enzyme family, that catalyzes oxidative denitrification of nitroalkanes to their corresponding carbonyl compounds and nitrites. NDPs are members of the NAD(P)H-dependent flavin oxidoreductase family that reduce a range of alternative electron acceptors. Most use FAD/FMN as a cofactor and NAD(P)H as electron donor. Some contain 4Fe-4S cluster to transfer electron from FAD to FMN.
Jiyao W et al.(2023). "The conserved domain database in 2023.",