Mouse Anti-Human IgG1 (hinge region) antibody [4E3] (FITC) Cat. No. GTX04178-06 Cat. No. GTX04178-06 GTX04178-06 ELISA Image ELISA analysis of purified human immunoglobulins using serially diluted GTX04178-06 Mouse Anti-Human IgG1 (hinge region) antibody [4E3] (FITC). See all Human IgG products