Human FCGR3A, known as Fc gamma RIIIA, and CD16a, GenBank Accession No. NM_001127593.1, a.a. 17-208, with N-terminal Avi™-His-Tag, expressed in a HEK293 cell expression system. This protein runs at a higher MW by SDS-PAGE due to glycosylation. MW = 25 kDa.