IL-3R α/CD123 protein is an important member of the type I cytokine receptor family and mediates cellular responses to a variety of cytokines, emphasizing its key role in hematopoiesis and immune regulation. IL-3R alpha/CD123 Protein, Cynomolgus (HEK293, His) is the recombinant cynomolgus-derived IL-3R alpha/CD123 protein, expressed by HEK293 , with C-6*His labeled tag.