PE-Labeled Human CD4 Protein, His Tag (CD4-HP2H8) is produced via conjugation of PE to Human CD4 Protein, His Tag with a new generation site-specific technology under Star Staining labeling platform. Human CD4 Protein, His Tag is expressed from human 293 cells (HEK293). It contains AA Lys 26 - Pro 396 (Accession # AAH25782).