Human CD111, known as Poliovirus receptor-related 1, and nectin-1, GenBank Accession No. NM_002855, a.a. 31-355, with C-terminal Avi-Tag fused to the Fc portion of Human IgG1 and expressed in a HEK293 cell expression system. This protein runs at a higher MW by SDS-PAGE due to glycosylation. MW = 65 kDa.