TCDB is operated by the Saier Lab Bioinformatics Group

4 component system: The Proton-translocating Quinol:Cytochrome c Reductase (QCR) Superfamily

Q31NV8 Cytochrome f
Q54711 Cytochrome b6
Q31NV7 Cytochrome b6-f complex iron-sulfur subunit
Q54710 Cytochrome b6-f complex subunit 4