4-1BBR, human recombinant

Human 4-1BB Receptor (4-1BBR) is an inhibitor of 4-1BBL and can block 4-1BBL bioactivity. Recombinant human 4-1BBR is a 17.8 kDa protein containing 167 amino acid residues of extraCellular domain of 4-1BBR without signal peptide (Gene accession # NP_001552).