Nitrate reductase (cytochrome) (EC1.9.6.1, respiratory nitrate reductase, benzyl viologen-nitrate reductase) is an enzyme with systematic nameferrocytochrome:nitrate oxidoreductase.[1] This enzyme catalises the following chemical reaction
^Sadana JC, Mcelroy WD (March 1957). "Nitrate reductase from Achromobacter fischeri; purification and properties: function of flavines and cytochrome". Archives of Biochemistry and Biophysics. 67 (1): 16–34. doi:10.1016/0003-9861(57)90242-4. PMID13412117.