bca:BCE_1649 K03886 quinol---cytochrome c reductase iron-sulfur subunit, bacillus type [EC:7.1.1.8] | (GenBank) qcrA; menaquinol-cytochrome c reductase, iron-sulfur subunit bca:BCE_1650 K03887 quinol---cytochrome c reductase cytochrome b subunit, bacillus type [EC:7.1.1.8] | (GenBank) qcrB; menaquinol-cytochrome c reductase, cytochrome b subunit