Human secreted lymphotoxin beta receptor (LTBR)-Fc fusion protein, also known as Tumor Necrosis Factor C Receptor (TNFCR), and CD18, GenBank Accession No. NM_002342, a.a 28-219, expressed in a HEK293 cell expression system. MW = 48 kDa (monomer). This protein runs at a higher apparent M.W. by SDS-PAGE due to glycosylation.