Complement component 4A (Rodgers blood group) is a reported alias of the human protein 'complement C4A (Rodgers blood group)', encoded by the gene C4A. Anti-Complement component 4A (Rodgers blood group) antibodies are available from several suppliers. The full protein is reported to be 1744 amino acid residues in length. Based on antigen name, there may be canine, porcine, monkey, mouse and rat variants of this protein. See the antibody supplier page for important details, including specific immunogenicity and validated applications.