Description
The IgG4 Fc is the constant region of the immunoglobulin heavy chain, which forms the backbone of antibodies crucial in humoral immunity. B lymphocytes produce glycoprotein antibodies that initiate clonal expansion upon antigen binding. IgG4 Fc Protein, Human (HEK293) is the recombinant human-derived IgG4 Fc protein, expressed by HEK293, with tag free