FUNCTION: Transfers a sulfate to position 3 of non-reducing beta-galactosyl residues in N-glycans and core2-branched O-glycans. Has high activity towards Gal-beta-1,4-GlcNAc, Gal-beta-1,4(Fuc-alpha-1,3)GlcNAc and lower activity towards Gal-beta-1,3(Fuc-alpha-1,4)GlcNAc. {ECO:0000269|PubMed:11323440,...
                        FUNCTION: Transfers a sulfate to position 3 of non-reducing beta-galactosyl residues in N-glycans and core2-branched O-glycans. Has high activity towards Gal-beta-1,4-GlcNAc, Gal-beta-1,4(Fuc-alpha-1,3)GlcNAc and lower activity towards Gal-beta-1,3(Fuc-alpha-1,4)GlcNAc. {ECO:0000269|PubMed:11323440, ECO:0000269|PubMed:11356829}.
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                        GO - Biological processes (BP): 
                        glycolipid biosynthetic process [GO:0009247]; monosaccharide metabolic process [GO:0005996]; oligosaccharide metabolic process [GO:0009311]; poly-N-acetyllactosamine metabolic process [GO:0030309]; proteoglycan biosynthetic process [GO:0030166]; sulfur compound metabolic process [GO:0006790]...
                        glycolipid biosynthetic process [GO:0009247]; monosaccharide metabolic process [GO:0005996]; oligosaccharide metabolic process [GO:0009311]; poly-N-acetyllactosamine metabolic process [GO:0030309]; proteoglycan biosynthetic process [GO:0030166]; sulfur compound metabolic process [GO:0006790]
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                        GO - Molecular function (MF): 
                        3'-phosphoadenosine 5'-phosphosulfate binding [GO:0050656]; carbohydrate binding [GO:0030246]; galactose 3-O-sulfotransferase activity [GO:0050694]; galactosylceramide sulfotransferase activity [GO:0001733]; proteoglycan sulfotransferase activity [GO:0050698]; sulfotransferase activity [GO:0008146]...
                        3'-phosphoadenosine 5'-phosphosulfate binding [GO:0050656]; carbohydrate binding [GO:0030246]; galactose 3-O-sulfotransferase activity [GO:0050694]; galactosylceramide sulfotransferase activity [GO:0001733]; proteoglycan sulfotransferase activity [GO:0050698]; sulfotransferase activity [GO:0008146]
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                        GO - Cellular component (CC): 
                        Golgi cisterna membrane [GO:0032580]; integral component of membrane [GO:0016021]...
                        Golgi cisterna membrane [GO:0032580]; integral component of membrane [GO:0016021]
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