The Human Complement Component C5/C5a Antibody from R&D Systems, a Bio-Techne Brand is a Mouse Monoclonal antibody to C5, and Complement C5. This antibody recognizes Homo Sapiens, and Human antigen. The Human Complement Component C5/C5a Antibody has been shown to work in the following applications: EIA, Immunoassay, and ELISA.