>sp|Q02762|UCRI_CERSP Ubiquinol-cytochrome c reductase iron-sulfur subunit OS=Cereibacter sphaeroides GN=petA MSNAEDHAGTRRDFLYYATAGAGAVATGAAVWPLINQMNPSADVQALASIFVDVSSVEPG VQLTVKFLGKPIFIRRRTEADIELGRSVQLGQLVDTNARNANIDAGAEATDQNRTLDEAG EWLVMWGVCTHLGCVPIGGVSGDFGGWFCPCHGSHYDSAGRIRKGPAPENLPIPLAKFID ETTIQLG