Cynomolgus / Rhesus macaque CD19 (20-292) Protein, Fc Tag (CD9-C5354) is expressed from CHO cells. It contains AA Pro 20 - Lys 292 (Accession # F7F486-1). In the region Pro 20 - Lys 292, the AA sequence of Cynomolgus and Rhesus macaque CD19 are homologus.