Anti-S1p antibodies are readily available from several suppliers. S1p is a reported synonym of the human protein 'membrane bound transcription factor peptidase, site 1', encoded by the gene MBTPS1. The full protein is reported to be 1052 amino acid residues in length. It is listed to be a member of the Peptidase S8 family. Consult the antibody supplier page for essential details, including target immunogenicity and tested applications.