Anti-P Antigen Family, Member 2B antibodies enable researchers to detect and measure the P Antigen Family, Member 2B antigen in biological samples. This target is a reported synonym of the PAGE2B gene, which encodes PAGE family member 2B. The human version of P Antigen Family, Member 2B has a canonical amino acid length of 111 residues and a protein mass of 12 kilodaltons. It is reported to be notably expressed in the testis. Other names for this target antigen include putative G antigen family E member 3, G antigen, family E, 3, and P antigen family, member 2B.