Anti-BLOC1S3 antibodies are used in the immunodetection of the protein biogenesis of lysosomal organelles complex 1 subunit 3. In humans, the canonical protein has a reported length of 202 amino acid residues and a mass of 21.3 kDa. Its subcellular localization is in the cytoplasm. It is notably widely expressed in many tissue types. A member of the BLOC1S3 protein family, BLOC1S3 is a known component of the BLOC-1 complex, a complex that is required for normal biogenesis of lysosome-related organelles (LRO), such as platelet dense granules and melanosomes. The BLOC1S3 gene has been associated with the disease, Hermansky-Pudlak syndrome. Synonyms for this target antigen include BLOC-1 subunit 3, biogenesis of lysosome-related organelles complex-1, subunit 3, reduced pigmentation, mouse, homolog of, and biogenesis of lysosome-related organelles complex 1 subunit 3. BLOC1S3 gene orthologs have been reported in the mouse, rat, bovine, frog, zebrafish and chimpanzee species. These BLOC1S3 antibodies are widely used in Western Blot experiments, among other applications.