Recombinant Human lymphocyte-activation gene 3 (LAG-3), transfected HEK293 cell culture supernatant

Recombinant human LAG-3 (lymphocyte activation gene 3 protein) 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.