Anti-CHST15 antibodies are used in the immunodetection of the protein carbohydrate sulfotransferase 15. In humans, the canonical protein has a reported length of 561 amino acid residues and a mass of 64.9 kDa. Its subcellular localization is in the Golgi. Up to 2 different isoforms have been reported for this protein. It is reported to be expressed in B-cell-enriched tissues but not in fetal or adult thymus. A member of the Sulfotransferase 1 protein family, CHST15 is a reported sulfotransferase that transfers sulfate from 3'-phosphoadenosine 5'-phosphosulfate (PAPS) to the C-6 hydroxyl group of the GalNAc 4-sulfate residue of chondroitin sulfate A and forms chondroitin sulfate E containing GlcA-GalNAc(4,6-SO(4)) repeating units. Synonyms for this target antigen include GALNAC4S-6ST, B cell RAG associated protein (GALNAC4S-6ST), B-cell RAG-associated gene protein, carbohydrate (N-acetylgalactosamine 4-sulfate 6-O) sulfotransferase 15, hBRAG, and BRAG. A number of CHST15 antibodies have been mentioned in research publications and have associated citations. These antibodies are most commonly used in Western Blot experiments, among other applications.