>sp|Q4UKR6|UCRI_RICFE Ubiquinol-cytochrome c reductase iron-sulfur subunit OS=Rickettsia felis GN=petA MSDTEDNKNKQTTRRDFMVLTASSVAAVGAVCTLWPLVDSLNPSADVLALSSIEVDLSNI AVGQTVTVKWQGKPVFITNRTPDKIAEARAVKMSELIDPETDEARVKAGHDNWLVTIGIC THLGCVPLANQGEYDGWFCPCHGSQYDSSGRVRRGPAPLNLAVPPYTFISDKKIRIG