>sp|Q57669|VATB_METJA V-type ATP synthase beta chain OS=Methanocaldococcus jannaschii GN=atpB MATAASAIEYSSVKSIAGPLLIVEGVEGAAYGEIVEVICPDGEKRMGQVLEAREGLAVVQ VFEGTTGLSTKDTRVRFTGRTAKIGVSMEMLGRIFNGAGKPIDGGPEIVPEKELDINGYP LNPVSRKVPSDFIQTGISTIDGMNTLVRGQKLPIFSGSGLPHNQLAAQIARQAKVRGEGE KFAVVFAAMGITSEEANFFMEEFRKTGALERAVVFINLADDPAIERILTPRIALTVAEYL AYEKDMHVLVILTDMTNYCEALREISAARNEVPGRRGYPGYMYTDLATIYERAGRVKGRT GTITQIPILTMPDDDITHPIPDLTGYITEGQIVLSRELHRKGIYPPVDVLPSLSRLAGNG QGPGKTREDHKKVVNQAYAAYAEGRSLRDLVAVVGEEALTDRDRAYLKFADEFEDKFVRQ GKDEDRSIEETLDLLWELLAILPEEELKRVDRELIEKYHPKYRKK