Mouse Anti-Human IgG4 (pFc') antibody [HP6023] Cat. No. GTX04186 Cat. No. GTX04186 GTX04186 ELISA Image ELISA analysis of purified human immunoglobulins using serially diluted GTX04186 Mouse Anti-Human IgG4 (pFc') antibody [HP6023] followed by Goat Anti-Mouse IgG3 antibody, pre-absorbed (HRP). See all Human IgG products