Interleukin-3 receptor subunit alpha (IL-3 receptor subunit alpha) (IL-3R subunit alpha) (IL-3R-alpha) (IL-3RA) (CD antigen CD123)
1_MVLLW 6_ LTLLL 11_ IALPC 16_ LLQTK 21_ EDPNP 26_ PITNL 31_ RMKAK 36_ AQQLT 41_ WDLNR 46_ NVTDI 51_ ECVKD 56_ ADYSM 61_ PAVNN 66_ SYCQF 71_ GAISL 76_ CEVTN 81_ YTVRV 86_ ANPPF 91_ STWIL 96_ FPENS 101_ GKPWA 106_ GAENL 111_ TCWIH 116_ DVDFL 121_ SCSWA 126_ VGPGA 131_ PADVQ 136_ YDLYL 141_ NVANR 146_ RQQYE 151_ CLHYK 156_ TDAQG 161_ TRIGC 166_ RFDDI 171_ SRLSS 176_ GSQSS 181_ HILVR 186_ GRSAA 191_ FGIPC 196_ TDKFV 201_ VFSQI 206_ EILTP 211_ PNMTA 216_ KCNKT 221_ HSFMH 226_ WKMRS 231_ HFNRK 236_ FRYEL 241_ QIQKR 246_ MQPVI 251_ TEQVR 256_ DRTSF 261_ QLLNP 266_ GTYTV 271_ QIRAR 276_ ERVYE 281_ FLSAW 286_ STPQR 291_ FECDQ 296_ EEGAN 301_ TRAWR 306_ TSLLI 311_ ALGTL 316_ LALVC 321_ VFVIC 326_ RRYLV 331_ MQRLF 336_ PRIPH 341_ MKDPI 346_ GDSFQ 351_ NDKLV 356_ VWEAG 361_ KAGLE 366_ ECLVT 371_EVQVV
1: Cell surface receptor for IL3 expressed on hematopoietic progenitor cells, monocytes and B-lymphocytes that controls the production and differentiation of hematopoietic progenitor cells into lineage-restricted cells (PubMed:10527461). Ligand stimulation rapidly induces hetrodimerization with IL3RB, phosphorylation and enzyme activity of effector proteins such as JAK2 and PI3K that play a role in signaling cell proliferation and differentiation. Activation of JAK2 leads to STAT5-mediated transcriptional program (By similarity)