Function
Cytochrome c nitrite reductase or cytochrome c552 (ccNiR) catalyzes the reduction of nitrite to ammonia as one of the key steps in the nitrogen cycle where it participates in the anaerobic energy metabolism of dissimilatory nitrate ammonification[1].
See also Hemeproteins: Cytochrome c Nitrite Reductase.
Structural highlights
Cytochrome c nitrite reductase with (PDB code 2e80). In the Wolinella succinogenes ccNiR structure the [2]. . Water molecules are shown as red spheres. Rare-earth element .
