Cynomolgus Rhesus macaque CD19 (20-292), Fc Tag (CD9-C5251) is expressed from human 293 cells (HEK293). It contains AA Pro 20 - Lys 292 (Accession F7F486). In the region Pro 20 - Lys 292, the AA sequence of Cynomolgus and Rhesus macaque CD19 are homo 1 * 1 mg