>sp|Q2FP51|VATB1_METHJ V-type ATP synthase beta chain 1 OS=Methanospirillum hungatei JF-1 (strain ATCC 27890 / DSM 864 / NBRC 100397 / JF-1) OX=323259 GN=atpB1 PE=3 SV=1 MKEYRTITQVAGPLVFVEKTEPVGYQELVNLVLADGSEKRGQVLDTSDDIVVVQVFETTT GIGKDTGVRFTGETIKMPVGKDMLGRILSGAGKPKDGGPDIVPEKRLEITGAAINPWARG SPRQFIQTGISTIDLTNTLVRGQKLPIFSGSGLPHNEIALQIARQAKVPGSDEQFAVVFA AMGITKEEENQFMAEFERTGALEHAVVFLNLADDPAVERIITPRLALTTAEYLAFELDYH VLVILTDMTNYCEALRQIGAAREEVPGRRGYPGYMYTDLASLYERAGIIKGKKGSVTQLS ILTMPGDDITHPIPDLSGYITEGQIVVNRDLHRKGIYPPINVLPSLSRLMNLGIGKGFTR EDHKKVSDQLYAGYAEGVDLRGLVAIVGKDALSERDRGFLEFAEMFENRFVRQGKDEDRT IDESLDLGWDLLKDIPEEQLVRIDRELIQKYHPKYRKKAE