Immunogen sequence: FVRHRTQKEI EQEAAVELSQ LRDPQHDLDR VKKPEWVILI GVCTHLGCVP IANAGDFGGY YCPCHGSHYD ASGRIRLGPA PLNLEVPTYE FTSDDMVIVG. Component of the ubiquinol-cytochrome c reductase complex (complex III or cytochrome b-c1 complex), which is a respiratory