Anti-FSA-1 antibodies enable researchers to detect and measure the FSA-1 antigen in biological samples. This target is a reported synonym of the SPAG7 gene, which encodes sperm associated antigen 7. The human version of FSA-1 has a canonical amino acid length of 227 residues and a protein mass of 26 kilodaltons. It is reported to be localized in the nucleus of cells. Other names for this target antigen include ACRP and FSA-1. Indicated applications for FSA-1 antibodies listed below include ELISA, Western Blot, and Immunohistochemistry.