Anti-CERS4 antibodies are used in the immunodetection of the protein ceramide synthase 4. In humans, the canonical protein has a reported length of 394 amino acid residues and a mass of 46.4 kDa. Its subcellular localization is in the ER. CERS4 is reported to be a ceramide synthase that catalyzes formation of ceramide from sphinganine and acyl-CoA substrates, with high selectivity toward long and very-long chains (C18:0-C22:0) as acyl donor. Post-translational modifications have been described, including N-glycosylation and phosphorylation. Synonyms for this target antigen include LAG1 longevity assurance homolog 4, sphingosine N-acyltransferase CERS4, and LAG1 homolog, ceramide synthase 4. CERS4 gene orthologs have been reported in the mouse, rat, bovine, frog and chimpanzee species. Western Blot is the most common application for the CERS4 antibodies listed below. ELISA and Immunohistochemistry are also common applications.