The 4-1BB Antibody [4B4-1-1], Rabbit IgG from ProSci, Inc Monoclonal antibody to TNFRSF9. This antibody recognizes Homo Sapiens, and Human antigen. The 4-1BB Antibody [4B4-1-1], Rabbit IgG has been validated for the following applications: EIA, Immunoassay, Block/Neutralize/Inhibit, ELISA, Flow Cytometry, and Immunohistochemistry.