Mouse Anti-Human IgG4 (pFc') antibody [HP6023] (FITC) Cat. No. GTX04186-06 Cat. No. GTX04186-06 GTX04186-06 ELISA Image ELISA analysis of purified human immunoglobulins using serially diluted GTX04186-06 Mouse Anti-Human IgG4 (pFc') antibody [HP6023] (FITC). See all Human IgG products