Eukaryotic Human Beta-2-Microglobulin (b2M) is a purified Eukaryotic Protein. Purity: >95% by SDS-PAGE. Host: 293F Cell. Endotoxin Level: <1.0EU per 1ug, by the LAL method. Species: Human (Homo sapiens). Target Name: Beta-2-Microglobulin (b2M). Target Synonyms: BMG, B2MG. Accession Number: P61769. Gene ID: 567. Expression Region: Gln22~Met119. Tag Info: N-terminal His Tag. Theoretical MW: 13kDa. Buffer: PBS, pH7.4, containing 5% Trehalose. Storage: -20C. Avoid repeated freeze/thaw cycles. Restrictions: For Research Use Only. Not for use in diagnostic procedures.