rsv:Rsl_421 K00411 ubiquinol-cytochrome c reductase iron-sulfur subunit [EC:7.1.1.8] | (GenBank) petA; Ubiquinol-cytochrome c reductase, iron-sulfur subunit rsv:Rsl_422 K00412 ubiquinol-cytochrome c reductase cytochrome b subunit | (GenBank) petB; Cytochrome b