Anti-SSX4B antibodies are used in the immunodetection of the protein SSX family member 4B. It is notably expressed in the testis. Synonyms for this target antigen include protein SSX4, cancer/testis antigen 5.4, synovial sarcoma, X breakpoint 4B, and CT5.4. Some SSX4B antibodies may have been used in research and have associated citations. Western Blot is a widely used application for these antibodies. In addition, ELISA is also a common application.