描述Active Recombinant Rat CSF-2/GM-CSF Protein is produced by HEK293 cells expression system. The target protein is expressed with sequence (Ala18-Lys144) of rat GM-CSF/CSF2 (Accession #NP_446304.1.) fused with a 6×His tag at the N-terminus.生物活性Measured in a cell proliferation assay using SP2/O mouse myeloma cells. The *** for this effect is 7.5-30 pg/mL.