The Human Complement C4b Antibody (Biotin Conjugate) from AssayPro is a Rabbit Polyclonal antibody to C4B, complement component 4B (Chido blood group), copy 2, and C4B_2. This antibody recognizes Homo Sapiens, and Human antigen. The Human Complement C4b Antibody (Biotin Conjugate) has been shown to work in the following applications: EIA, and Radioimmunoassay.