>sp|A8F3K2|ATPB_PSELT ATP synthase subunit beta OS=Pseudothermotoga lettingae GN=atpD MAGKGYIVRIIGPVVDVKFDEKELPDIYNALEVTNPQNGEKLILEVEQLIGDNTVRAVAL DSTDGLTRGLEVVDTGKPIVAPVGKGVLGRILNVVGKPIDEKGDIQAEDYWPIHRPAPKI TEQKTEIEVLETGIKVIDLLAPFPKGGKIGFFGGAGVGKTVLVMELIRNIAIEQKGFSVF AGVGERTREGNDLWLEMQEAGVLENTVLVFGQMNEPPGARFRVGLTALTIAEYFRDVEGR DVLLFIDNIFRFVQAGSEVSALLGRMPSAVGYQPTLATDMGELQERITSTQKGSITSVQA IYVPADDITDPAPATTFSHLDASVVLSRKIAELGIYPAVDPLDSTSKILDPAVIGWEHYQ VARGVQEVLQRYKDLQDIIAILGMEELTEEDKLIVQRARKIQRFLSQPFFVAERFTGANG KYVPISETVKGFKEILEGKHDSLPEQAFFMVGTIDEAVQKAERLKGSAA