Anti-CLA20 antibodies are readily available from several suppliers. CLA20 is a reported synonym of the human protein 'adaptor related protein complex 4 subunit sigma 1', encoded by the gene AP4S1. The full protein is reported to be 144 amino acid residues in length. It is listed to be a member of the Adaptor complexes small subunit family. Consult the antibody supplier page for essential details, including target immunogenicity and tested applications.