PE-Labeled Human HLA-A 0301,B2M Tetramer Protein HLM-HP2H6 is expressed from human 293 cells HEK293. It contains AA Gly 25 - Thr 305 HLA-A 0301, Ile 21 - Met 119 B2M Accession P04439-1 HLA-A 0301, P61769 B2M. 1 * 25 µG