>sp|Q8U4A5|VATB_PYRFU V-type ATP synthase beta chain OS=Pyrococcus furiosus GN=atpB MAKEYSTISRIYGPLMIVEGVKGVAYGEVVEIETEWGEKRKGQVLDARENLAIVQVFEGT RDLDIKTTRVRFTGETLKVPVSMDMLGRIFNGIGKPIDGGPEIIPEDRRDVHGAPLNPVA RAYPRDFIQTGISAIDGMNTLVRGQKLPIFSGSGLPHNKLAAQIARQAKVLGEEESFAVV FAAMGITYEEANFFKKSFEETGAIERAVLFLNLADDPAIERIITPRMALTVAEYLAFDYD MHVLVILTDMTNYCEALREISAAREEVPGRRGYPGYMYTDLATIYERAGRVRGKKGSITQ MPILTMPDDDITHPIPDLTGYITEGQIVLSRDLHRRGIYPPIDVLPSLSRLMKDGIGKGR TREDHPQLAQQLYAAYAEGRSLRDLVAVVGEEALSETDKKYLEFADRFEREFVAQGYDED RSIEETLDLGWELLAILPETELKRVKKEMIMKYHPKYRGRSS