FXYD2 GI:188595665 FXYD domain-containing ion transport regulator 2 isoform 3 1 mtglsmdggg spkgdvdpfy ygkpgplrtl pepsgplpps sglsqpqvha 50 51 lcplsplvtt gccgqaaerd scwerppipl llpslsgdye tvrngglifa 100 101 glafivglli llskwgglqg rgadqgtsll kaaeqagfre lpreg