Recombinant Human ERBB3 extracellular domain, Transfected HEK293 Cell Culture Supernatant

Recombinant human ERBB3 extracellular domain, 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.