Anti-CT2.3 antibodies enable researchers to detect and measure the CT2.3 antigen in biological samples. This target is a reported synonym of the BAGE3 gene, which encodes BAGE family member 3. The human version of CT2.3 has a canonical amino acid length of 109 residues and a protein mass of 12.1 kilodaltons. It is reported to be a secreted protein. CT2.3 is a member of the BAGE protein family.