Recombinant Human Beta-2-Microglobulin/B2M, transfected HEK293 cell culture supernatant

Recombinant human Beta-2-Microglobulin/B2M overexpression cell culture supernatant, secreted from the serum-free medium of transfected HEK293 cells (200 µl). Purchase will also include one vial of normal control, the culture supernatant of HEK293 cell transfected with empty expression vector.