BAFF/TNFSF13B Protein, Human, Recombinant (aa 68-133, His)ZTNF-4, ZTNF4, ZTNF 4, Tumor necrosis factor ligand superfamily member 13B, tumor necrosis factor (ligand) superfamily, member 13b, TNFSF-20, TNFSF20, TNFSF13B, TNFSF 20, TNF- and APOL-related leukocyte expressed ligand 1, THANK, TALL1δ4 BAFF, TALL-1δ BAFF, TALL-1Δ BAFF, TALL1Delta4 BAFF, TALL-1delta BAFF, TALL-1, TALL1, TALL 1, DTL, Dendritic cell-derived TNF-like molecule, CD-257, CD257, CD 257, BLyS, BLYS, B-cell-activating factor, B-cell Activating Factor, BAFF, B lymphocyte stimulator