>tr|I3AT50|I3AT50_BIFLN ATP synthase subunit b OS=Bifidobacterium longum subsp. longum 35B GN=atpF MTQAASGIDLFIPEVYDIVWSLIILVIVAVFFYKFFMPKFNAIFDERAAKIQGNIAKAEQ ARKDADEAKAKYEAQLSTARVDAAKIRDDARAEASHIIADARSRAESDAAQITASAQRSI ESQHQQAIVSLKGEVGALATALAGKILGAKLEDNDVQSSMIDSMIDDLGAKK