PE-Labeled Human IL-15 R alpha / CD215 Protein, Fc Tag (Cat. No.ILA-HP2F6) is produced via site-specific conjugation of PE to Human IL-15 R alpha / CD215 Protein, Fc Tag under optimal conditions with a proprietary technology. PE-Labeled Human IL-15 R alpha, Fc Tag (ILA-HP2F6) is expressed from human 293 cells (HEK293). It contains AA Ile 31 - Thr 205 (Accession # Q13261-1).