>tr|A0A016BVS3|A0A016BVS3_BACFG ATP synthase subunit b OS=Bacteroides fragilis str. 2-F-2 #4 GN=atpF MSLLLPDSGLIFWMLLSFGIVFAVLAKYGFPVIIKMVEGRKTYIDESLEVAREANAQLSR LKEEGEAIVAAANKEQGRIMKEAMQEREKIIYEARKQAEIAAQKELDEVKRQIQIEKDEA IRDIRRQVALLSVDIAEKVIRKNLDDKQEQMGMIDRMLDEVLTKN