Anti-placenta specific 9 antibodies enable researchers to detect and measure the placenta specific 9 antigen in biological samples. This target is a reported synonym of the PLAC9 gene, which encodes placenta associated 9. The human version of placenta specific 9 has a canonical amino acid length of 97 residues and a protein mass of 10.3 kilodaltons. It is reported to be a secreted protein. Other names for this target antigen include placenta-specific protein 9 and placenta specific 9. ELISA is the most common application for the placenta specific 9 antibodies listed below. Western Blot, Immunocytochemistry, Immunofluorescence, and Immunohistochemistry are also common applications.