>sp|P22663|VATB_METBA V-type ATP synthase beta chain OS=Methanosarcina barkeri GN=atpB MVKEYKTITQIAGPLVFVEKTEPVGYKEIVTINLPDGTTRRGEVLDSSSDIVVIQIFEGT TGLDKECGVVFTGETLKLPASIDLLGRILSGSGEPLDGGPRIVPDQLLDINGAAMNPYAR LPPKDFIQTGISTIDGTNTLVRGQKLPIFSASGLPHNEIALQIARQAAVPGSESAFAVVF AAMGITNEEAQYFMSDFEKTGALERAVVFLNLADDPAVERIVTPRMALTAAEYLAYEHGM HVLVILTDITNYAEALRQMGAARNEIPGRRGYPGYMYTDLATLYERAGIVKGAKGSVTQI PILSMPGDDITHPIPDLSGYITEGQIVVSRELHRKGIYPPINVLPSLSRLMNSGIGAGKT REDHKAVSDQMYAGYAEGRDLRGLVAIVGKEALSERDVKFLEFADLFEQQFVTQGRNENR TIADTLDIGWKILAHLPENQLGRIDNKYIQKYHPAHRKGQ