Mouse Anti-Human IgA1 (Fc) antibody [B3506B4] (Biotin) Cat. No. GTX04182-02 Cat. No. GTX04182-02 GTX04182-02 ELISA Image ELISA analysis of purified human immunoglobulins using serially diluted GTX04182-02 Mouse Anti-Human IgA1 (Fc) antibody [B3506B4] (Biotin) followed by Streptavidin (HRP). See all Human IgA products