Immunogen sequence: VSPRVKRPIE NRILILPNVT RNETGPYQC Highest antigen sequence identity to the following orthologs: Mouse - 55%, Rat - 41%. PSG11, also named as PSG13, PSG14, PSBG-11 and PSBG-13, belongs to the immunoglobulin superfamily and CEA family. PS