The Rabbit Anti-GPR4 Antibody from United States Biological is a Rabbit Polyclonal antibody to GPR4. This antibody recognizes Homo Sapiens, Human, Mouse, Rat, Bovine, Canine, Non-Human Primate, Porcine, and Rabbit antigen. The Rabbit Anti-GPR4 Antibody has been shown to work in the following applications: Immunohistochemistry.