ATP synthase F1 sector subunit beta F-ATPase subunit beta 473 AFENKLMKNYRFLGISTSSEGYITQIIGPVLDVAFPVGKMPNIFNSFIVKGQNPAGQSINVTCEVQQLLGNNKVRAVAMSATDGLMRGMEVIDTGAPLSVPVGEVTLGRIFNVLGEPVDNMGPVEATAKSPIHKPAPAFMDLETTVSIFETGIKVVDLLAPYRRGGKIGLFGGAGVGKTVLIMELINNIAKAHGGVSVFGGVGERTREGNDLYMEMKESKVINEENISESKVALVYGQMNEPPGARMRVGLTALTMAEYFRDVNKQDVLLFIDNIFRFVQAGSEVSALLGRMPSAVGYQPTLATEMGCLQERITSTKEGSITSIQAVYVPADDLTDPAPATTFAHLDATTVLSRGLAAKGIYPAVDPLDSTSTVLQPWIVGEEHYEVAQGVKQTLQRYKELQDIIAILGLDELSEQDRLLVARARKIERFLSQPFFVAEVFTGSPGKYVSLNETIRGFQNDFTGELDSLPEQA ATPB_EQUAR Produces ATP from ADP in the presence of a proton gradient across the membrane. The catalytic sites are hosted primarily by the beta subunits (By similarity). ATP synthase subunit beta, chloroplastic (Fragment) atpB