Recombinant Protein;200UG;FITC-Labeled Human IL-3 R alpha, Fc Tag (ILA-HF253) is expressed from human 293 cells (HEK293). It contains AA Thr 19-Arg 305 (Accession # P26951-1).;This protein carries a human IgG1 Fc tag at the C-terminus. The protein has a calculated MW of 59.5 kDa.