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>tr|Q3IZW6|Q3IZW6_RHOS4 Aa3-type cytochrome c oxidase subunit IV OS=Rhodobacter sphaeroides (strain ATCC 17023 / 2.4.1 / NCIB 8253 / DSM 158) GN=RHOS4_23500 PE=4 SV=1
MAETNKGTGPMADHSHPAHGHVAGSMDITQQEKTFAGFVRMVTWAAVVIVAALIFLALANA