Human Cynomolgus Rhesus macaque CD28, Mouse IgG2a Fc Tag, low endotoxin (CD8-H52A5) is expressed from human 293 cells (HEK293). It c ontains AA Asn 19 - Pro 152 (Accession P10747-1). In the region Asn 19 - Pro 152, the AA sequence of Human, Cynomolgu 1 * 100 µG