Anti-SCGB1D4 antibodies are used in the immunodetection of the protein secretoglobin family 1D member 4. In humans, the canonical protein has a reported length of 83 amino acid residues and a mass of 9.2 kDa. It has been described to be a secreted protein. It is reported to be expressed in all tissues; the highest level of expression is detectable in lymph nodes, tonsil, cultured lymphoblasts and ovary. A member of the Secretoglobin protein family, SCGB1D4 is suspected to be involved in the regulation of chemotactic cell migration and invasion. Synonyms for this target antigen include IFN-gamma inducible SCGB (IIS) and IFN-gamma-inducible secretoglobin. SCGB1D4 gene orthologs have been reported in the rat and chimpanzee species.