Anti-SPANX-N3 antibodies enable researchers to detect and measure the SPANX-N3 antigen in biological samples. This target is a reported synonym of the SPANXN3 gene, which encodes SPANX family member N3. The human version of SPANX-N3 has a canonical amino acid length of 141 residues and a protein mass of 15.6 kilodaltons. SPANX-N3 is a member of the SPAN-X protein family.