The IgG1 protein is the constant region of the immunoglobulin heavy chain and serves as a receptor during the recognition phase of humoral immunity. It triggers clonal expansion and differentiation of B lymphocytes into immunoglobulin-secreting plasma cells. IgG1 Protein, Human (C103S, N180A, HEK293, His) is the recombinant human-derived IgG1 protein, expressed by HEK293, with C-His labeled tag.
