The Rabbit Anti-Fibroblast Activation Protein alpha Antibody from United States Biological is a Rabbit Polyclonal antibody to Fap, and Fibroblast Activation Protein Alpha. This antibody recognizes Homo Sapiens, and Human antigen. The Rabbit Anti-Fibroblast Activation Protein alpha Antibody has been shown to work in the following applications: Immunohistochemistry.