... of FAD), the reaction resulted in complete degradation of the DNA (no band was detected in Fig. 2, lane V). A partial DNA degradation was observed in the absence of iron compound (Fig. 2, lane ... preparation also showed a similar absorption maximum, confirming the associ-ation of FMN with DrgA protein. The absorptionmaximum at 459 nm disappeared upon addition of 0.3 mm NADH under anaerobic ... DrgA protein functioning as nitroreductase and ferric reductase is capable of catalyzing the FentonreactionKouji Takeda1, Mayumi Iizuka1, Toshihiro Watanabe2, Junichi Nakagawa1, Shinji...