Mouse Anti-Human IgG4 (pFc') antibody [HP6023] (AP) Cat. No. GTX04186-03 Cat. No. GTX04186-03 GTX04186-03 ELISA Image ELISA analysis of purified human immunoglobulins using serially diluted GTX04186-03 Mouse Anti-Human IgG4 (pFc') antibody [HP6023] (AP). See all Human IgG products