United States Biological's Pab Rb x bovine IgG1 (Immunoglobulin G1, IGHG1, Ig Gamma-1 Chain C Region, Immunoglobulin Heavy Constant Gamma 1, G1m Marker, Immunoglobulin Gm1) antibody is a Rabbit Polyclonal antibody. This antibody has been shown to work in applications such as: EIA, Immunoassay, ELISA, Immunocytochemistry, Immunohistochemistry, and Western Blot.