Recombinat Protein,Human beta 2-Microglobulin B2M Protein, His Tag,Human B2M, His Tag (B2M-H5225) is expressed from human 293 cells (HEK293). It contains AA Ile 21 - Met 119 (Accession AAH32589).This protein carries a polyhistidine tag at the C-termi 1 * 100 µG