Immunogen sequence: LQVGLYAVYL LDWLSVFDKQ QFLILRLEDH ASNVKYTMHK VFQFLNLGPL SEKQEALMTK SPASNARRPE DRNLGPMWPI TQKILRDFYR PFNARLAQVL ADEAFAWKTT; Positive Samples: Raji, Rat heart; Cellular Location: Golgi apparatus membrane, Single-pass type II membrane protein
GALNAC4S-6ST is a 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. It also transfers sulfate to a unique non-reducing terminal sequence, GalNAc(4SO4)-GlcA(2SO4)-GalNAc(6SO4), to yield a highly sulfated structure similar to the structure found in thrombomodulin chondroitin sulfate. GALNAC4S-6ST may also act as a B-cell receptor involved in BCR ligation-mediated early activation that mediate regulatory signals key to B-cell development and/or regulation of B-cell-specific RAG expression; however such results are unclear in vivo.
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Protein Aliases: B cell RAG associated protein; B cell RAG associated protein (GALNAC4S-6ST); B-cell RAG-associated gene protein; Carbohydrate sulfotransferase 15; DKFZp781H1369; GalNAc4S-6ST; hBRAG; MGC34346; N-acetylgalactosamine 4-sulfate 6-O-sulfotransferase; RP11-47G11.1
Gene Aliases: BRAG; CHST15; GALNAC4S-6ST; GALNAC4S6ST; KIAA0598