Medchemexpress, HY-P7215 10ug IL-2R alpha, His (HEK293-expressed), Human CAS: Recombinant Human Interleukin-2 Receptor alpha, His (HEK293-expressed), also known at Tac antigen and a CD25, is a 42 kDa transmembrane protein. The interleukin 2 receptor alpha, beta and gamma chain constitute the high-affinity IL2 receptor. Purity:>98% Medchemexpress has over 10000 novel life-science reagents, reference compounds, APIs and natural compounds for laboratory and scientific use. Other quantity can also be offered.