Anti-LAMB3 antibodies are used in the immunodetection of the protein laminin subunit beta 3. In humans, the canonical protein has a reported length of 1172 amino acid residues and a mass of 129.6 kDa. Its subcellular localization is in the extracellular matrix and is secreted. It is notably expressed in many tissues, such as the breast, tonsil, and appendix. LAMB3 is known to be involved with brown fat cell differentiation and cell adhesion. Post-translational modifications have been described, including glycosylation. The LAMB3 gene has been associated with the disease, Epidermolysis bullosa. Synonyms for this target antigen include BM600-125KDA, JEB1A, JEB1B, LAM5, LAMNB1, epiligrin subunit bata, kalinin B1 chain, and AI1A. LAMB3 gene orthologs have been reported in the mouse, rat, bovine, frog, chimpanzee and chicken species. Over 50 citations in the literature describe the use of LAMB3 antibodies in research. Western Blot is a widely used application for these antibodies. In addition, Immunohistochemistry is also a common application.