R&D Systems, a Bio-Techne Brand's Human Complement Component C5a R1 Alexa Fluor® 405-conjugated Antibody is a Mouse monoclonal antibody. The Human Complement Component C5a R1 Alexa Fluor® 405-conjugated Antibody was generated using C5AR1 as the antigen. It reacts with Homo Sapiens, and Human. This antibody has been shown to work in applications such as: Flow Cytometry.