The AMPA Receptor 4 (GluA 4) (D41A11) XP ® Rabbit mAb (BSA and Azide Free) Antibody from Cell Signaling Technology is a Rabbit Monoclonal antibody to GRIA4. This antibody recognizes Homo Sapiens, Human, Mouse, and Rat antigen. The AMPA Receptor 4 (GluA 4) (D41A11) XP ® Rabbit mAb (BSA and Azide Free) Antibody has been shown to work in the following applications: Immunocytochemistry, Immunofluorescence, and Western Blot.