Mouse Anti-Human IgG4 (pFc') antibody [HP6023] (Biotin) Cat. No. GTX04186-02 Cat. No. GTX04186-02 GTX04186-02 ELISA Image ELISA analysis of purified human immunoglobulins using serially diluted GTX04186-02 Mouse Anti-Human IgG4 (pFc') antibody [HP6023] (Biotin) followed by Streptavidin (HRP). See all Human IgG products