The Chicken Anti-Complement C4b Polyclonal IgY Antibody from Creative Biolabs is a Chicken/Bird Polyclonal antibody to complement component 4B (Chido blood group), copy 2, and C4B_2. This antibody recognizes Homo Sapiens, and Human antigen. The Chicken Anti-Complement C4b Polyclonal IgY Antibody has been shown to work in the following applications: EIA, Immunoassay, ELISA, and Western Blot.