>tr|C2GT20|C2GT20_BIFLN ATP synthase subunit b OS=Bifidobacterium longum subsp. longum ATCC 55813 GN=atpF MTQAASGIDLFIPEVYDIVWSLIILVIVAVFFYKFFMPKFNAIFDERAAKIQGNIAKAEQ ARKDADEAKAKYEAQLSTARVDAAKIRDDARAEASHIIADARSRAESDAAQITASAQRSI ESQHQQAIVSLKGEVGALATALAGKILGAKLEDNDVQSSMIDSMIDDLGAKK