Group-specific component (vitamin D binding protein) is a reported alias of the human protein 'GC vitamin D binding protein', encoded by the gene GC. Anti-Group-specific component (vitamin D binding protein) antibodies are available from several suppliers. The full protein is reported to be 474 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.