Human NKG2d, also known as, Killer Cell Lectin Like Receptor K1, KLRK1, and NK Cell Receptor D. GenBank Accession No. NM_007360.4, a.a. 38-216, with an N-terminal Avi-Tag^TM fused to the Fc portion of human IgG1 and expressed in a HEK293 cell expression system. MW=53 kDa.