Mouse Anti-Human IgG1 (Fc) antibody [HP6001] (HRP) Cat. No. GTX02564 Cat. No. GTX02564 GTX02564 ELISA Image ELISA analysis of purified human IgG1, IgG2, IgG3, and IgG4 using serially diluted GTX02564 Mouse Anti-Human IgG1 antibody [HP6001] (HRP). See all Human IgG1 products