TCDB is operated by the Saier Lab Bioinformatics Group

4 component system: The Prokaryotic Molybdopterin-containing Oxidoreductase (PMO) Family

P32709 Protein NrfD
P0ABL1 Cytochrome c-type protein NrfB
P0AAK7 Protein NrfC
P0ABK9 Cytochrome c-552