CD28 Human Recombinant Protein

Human secreted CD28-Fc fusion protein, also known as TP44, GenBank Accession No. NM_006139, a.a 19-152, expressed in a HEK293 cell expression system. MW = 41.4 kDa (monomer). This protein runs at a higher M.W. by SDS-PAGE due to glycosylation. Protein function: Involved in T-cell activation, the induction of cell proliferation and cytokine production and promotion of T-cell survival. [The UniProt Consortium]