Cytochrome c nitrite reductase (NrfA) plays a crucial role in the nitrogen cycle, particularly in the process known as dissimilatory nitrate reduction to ammonium (DNRA). This enzyme catalyzes the ...

cytochrome c reductase in light blue; cytochrome c in dark blue labeled with cytC; cytochrome c oxidase in pink; and the ATP synthase complex in lilac. The flux of electrons is represented by red ...