Anti-Follistatin-like 4 antibodies are used for the immunodetection of the protein encoded by the FSTL4 gene. In humans, the canonical protein has a reported length of 842 amino acid residues and a mass of 93.1 kDa. It is known to be a secreted protein. Alternative splicing is reported to yield 3 different isoforms for this protein. It is noted to be involved in cell differentiation. Post-translational modifications have been described, including glycosylation. Other names for this target antigen include follistatin-related protein 4 and follistatin-like protein 4. Gene orthologs have been identified in the mouse, rat, bovine, zebrafish, chimpanzee and chicken species. Indicated applications for Follistatin-like 4 antibodies listed below include Western Blot, Immunocytochemistry, and Immunohistochemistry.