The Pab Rb x human PIK3R1 (GRB1, Phosphatidylinositol 3-kinase Regulatory Subunit alpha, Phosphatidylinositol 3-kinase 85kD Regulatory Subunit alpha) (PE) antibody from United States Biological is a Rabbit Polyclonal antibody to PIK3R1. This antibody recognizes Homo Sapiens, and Human antigen. The Pab Rb x human PIK3R1 (GRB1, Phosphatidylinositol 3-kinase Regulatory Subunit alpha, Phosphatidylinositol 3-kinase 85kD Regulatory Subunit alpha) (PE) antibody has been shown to work in the following applications: Western Blot.