Mouse Anti-Human IgG1 (hinge region) antibody [4E3] Cat. No. GTX04178 Cat. No. GTX04178 GTX04178 ELISA Image ELISA analysis of purified human immunoglobulins using serially diluted GTX04178 Mouse Anti-Human IgG1 (hinge region) antibody [4E3] followed by GTX35185 Goat Anti-Mouse IgG1 antibody, pre-adsorbed (HRP). See all Human IgG products