The Normal Goat IgG Biotinylated Control Antibody from R&D Systems, a Bio-Techne Brand is a Goat Polyclonal antibody to IGHG1, and immunoglobulin heavy constant gamma 1 (G1m marker). This antibody recognizes Goat antigen. The Normal Goat IgG Biotinylated Control Antibody has been shown to work in the following applications: Other.