>sp|C3MW92|VATB_SULIM V-type ATP synthase beta chain OS=Sulfolobus islandicus GN=atpB MLSVREFSNISMIKGPLIYVQGVTDASYNELVEIEMPNGEKRRGLVIDSQMGIAIVQVFE GTTGVSPTGTKIRMLGRGLEVKISEEMLGRIFNPLGDSLDNGPPVIKGEKRDINGSPLNP AAREYPEEFIQTGISAIDGLNALLRGQKLPIFSGSGLPANMLAAQIAKQATVRGEESNFA VVFAAIGARYDDALFFRKFFEETGAINRVAMIVSLANEPPVMKTLTPKTALTLAEYLAFE QDMHVLAILIDMTNYCEALREISAAREEVPGRGGYPGYMYTDLATIYERAGKVLGKKGSI TQMPILTMPNDDITHPIPDLTGYITEGQIVLDRALYNKGIYPPINVLMSLSRLAKDGIGE GKTRDDHKDVSNQLFASYARAVDTRGLAAIIGEDSLSEVDRKYLLFGELFERKFVSQGFN ENRDIETTLDIGWEILSVLPESELTNIKTQYIKKYHPNYRGKK