Human VSIG3, also known as V--set and immunoglobulin domain containing 3, IgSF11, GenBank Accession No. NM_152538.3, a.a. 22-244, with C-terminal Avi-TagTM fused to Fc region of Human IgG1, expressed in a HEK293 cell expression system. MW = 52 kDa. This protein runs at a higher MW by SDS-PAGE due to glycosylation.