Anti-Pta antibodies are readily available from several suppliers. Pta is a reported synonym of the human protein 'coagulation factor XI', encoded by the gene F11. The full protein is reported to be 625 amino acid residues in length. It is listed to be a member of the Peptidase S1 family, Plasma kallikrein subfamily. Consult the antibody supplier page for essential details, including target immunogenicity and tested applications.