Sequence alignment between 3w3a(D) and UniProt seq Q56404 (VATB_THET8):

Q56404 (VATB_THET8): V-type ATP synthase beta chain from Thermus thermophilus (strain ATCC 27634 / DSM 579 / HB8)
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         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--------
UniProt: MDLLKKEYTGITYISGPLLFVENAKDLAYGAIVDIKDGTGRVRGGQVIEVSEEYAVIQVFEETTGLDLATTSVSLVEDVARLGVSKEMLGRRFNGIGKPIDGLPPITPEKRLPITGLPLNPVARRKPEQFIQTGISTIDVMNTLVRGQKLPIFSGSGLPANEIAAQIARQATVRPDLSGEGEKEEPFAVVFAAMGITQRELSYFIQEFERTGALSRSVLFLNKADDPTIERILTPRMALTVAEYLAFEHDYHVLVILTDMTNYCEALREIGAAREEIPGRRGYPGYMYTDLATIYERAGVVEGKKGSVTQIPILSMPDDDRTHPIPDLTGYITEGQIQLSRELHRKGIYPPIDPLPSLSRLMNNGVGKGKTREDHKQVSDQLYSAYANGVDIRKLVAIIGEDALTENDRRYLQFADAFERFFINQGQQNRSIEESLQIAWALLSMLPQGELKRISKDHIGKYYGQKLEEIWGAPQALD
PDB seq: ------EYTGITYISGPLLFVENAKDLAYGAIVDIKDGTGRVRGGQVIEVSEEYAVIQVFEETTGLDLATTSVSLVEDVARLGVSKEMLGRRFNGIGKPIDGLPPITPEKRLPITGLPLNPVARRKPEQFIQTGISTIDVMNTLVRGQKLPIFSGSGLPANEIAAQIARQATVRPDLSGEGEKEEPFAVVFAAMGITQRELSYFIQEFERTGALSRSVLFLNKADDPTIERILTPRMALTVAEYLAFEHDYHVLVILTDMTNYCEALREIGAAREEIPGRRGYPGYMYTDLATIYERAGVVEGKKGSVTQIPILSMPDDDRTHPIPDLTGYITEGQIQLSRELHRKGIYPPIDPLPSLSRLMNNGVGKGKTREDHKQVSDQLYSAYANGVDIRKLVAIIGEDALTENDRRYLQFADAFERFFINQGQQNRSIEESLQIAWALLSMLPQGELKRISKDHIGKYY---------------
               ---+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---               
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