>2NWF_1|Chain A|Ubiquinol-cytochrome c reductase iron-sulfur subunit|Rhodobacter sphaeroides (1063) LASIFVDVSSVEPGVQLTVKFLGKPIFIRRRTEADIELGRSVQLGQLVDTNARNANIDAGAEATDQNRTLDEAGEWLVMWGVCTHLGCVPIGGVSGDFGGWFCPCHGSHWDSAGRIRKGPAPENLPIPLAKFIDETTIQLG