Cynomolgus Rhesus macaque B2M, His Tag (B2M-C5226) is expressed from human 293 cells (HEK293). It contains AA Ile 21 - Met 119 (Acce ssion Q8SPW0). In the region Ile 21 - Met 119, the AA sequence of Cynomolgus and Rhesus macaque beta 2-Microglobulin 1 * 1 mg