Anti-FOS like antigen 1 antibodies are protein reagents that detect specific antigens. The FOS like antigen 1 antigen is another term for the human protein FOS like 1, AP-1 transcription factor subunit, encoded by the FOSL1 gene. The protein is known to function in chemotaxis and in utero embryonic development, among other biological roles. Canonically, it has an amino acid length of 271 residues and a mass of 29.4 kilodaltons. Its subcellular localization is in the nucleus and it is expressed in the tonsil, stomach, small intestine, rectum, and kidney. The FOS like antigen 1 protein is a member of the BZIP protein family. Other alias names for FOS like antigen 1 include FRA, FRA1, and fra-1. Western Blot is the most common application for the FOS like antigen 1 antibodies listed below. ELISA and Immunohistochemistry are also common applications.