ATP4B GI:4557339 hydrogen/potassium-exchanging ATPase 4B 1 maalqekktc gqrmeefqry cwnpdtgqml grtlsrwvwi slyyvafyvv 50 51 mtglfalcly vlmqtvdpyt pdyqdqlrsp gvtlrpdvyg ekgleivynv 100 101 sdnrtwadlt qtlhaflagy spaaqedsin ctseqyffqe sfrapnhtkf 150 151 sckftadmlq ncsgladpnf gfeegkpcfi ikmnrivkfl psngsaprvd 200 201 cafldqprel gqplqvkyyp pngtfslhyf pyygkkaqph ysnplvaakl 250 251 lniprnaeva ivckvmaehv tfnnphdpye gkvefklkie k