>sp|A2BT27|ATPF_PROMS ATP synthase subunit b OS=Prochlorococcus marinus GN=atpF MNLTLLATEGFGLNFNLFETNILNWAVVVFGLYKFLPGFLGKMLQKRREGILLELKDAED RLLNATQALEKAKKDLSSAAEKASQIKADSLKRSESIRMESEKKAIEEMARIKQSAISDE SSEASRAISQLRKEAVELAIKKALDSLPNRLDKTTQENLVTQSINNIEVN