HTR4 GI:11321563 serotonin 5-HT4 receptor isoform b 1 mdkldanvss eegfgsvekv vlltflstvi lmailgnllv mvavcwdrql 50 51 rkiktnyfiv slafadllvs vlvmpfgaie lvqdiwiyge vfclvrtsld 100 101 vllttasifh lccisldryy aiccqplvyr nkmtplrial mlggcwvipt 150 151 fisflpimqg wnnigiidli ekrkfnqnsn stycvfmvnk pyaitcsvva 200 201 fyipfllmvl ayyriyvtak ehahqiqmlq ragassesrp qsadqhsthr 250 251 mrtetkaakt lciimgcfcl cwapffvtni vdpfidytvp gqvwtaflwl 300 301 gyinsglnpf lyaflnksfr rafliilccd deryrrpsil gqtvpcsttt 350 351 ingsthvlrd avecggqwes qchppatspl vaaqpsdt