Human TNFR2 protein, also known as tumor necrosis factor receptor 2, TNFRSF1B, and CD120b, GenBank Accession No. NM_001066, a.a. 23-257 with C-terminal His-Avi™-Tag fused to the Fc region of Human IgG1, expressed in a HEK293 cell expression system. MW = 55 kDa.