P2RX2 GI:27881423 purinergic receptor P2X2 isoform I 1 maaaqpkypa gatarrlarg cwsalwdyet pkvivvrihr aeklpgerdg 50 51 prelhhhqgq gdhhvraqsv grggvreapr glrtgrcvpy yqgpsktcev 100 101 fgwcpvedga svsqflgtma pnftilikns ihypkfhfsk gniadrtdgy 150 151 lkrctfheas dlycpifklg fivekagesf telahkggvi gviinwdcdl 200 201 dlpasecnpk ysfrrldpkh vpassgynfr fakyykingt ttrtlikayg 250 251 iridvivhgq agkfslipti inlataltsv gvgsflcdwi lltfmnknkv 300 301 yshkkfdkvc tpshpsgswp vtlarvlgqa ppepghrsed qhpsppsgqe 350 351 gqqgaecgpa fpplrpcpis apseqmvdtp asepaqastp tdpkglaql