cofactor:Magnesium.,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.,online information:GlycoGene database,pathway:Protein modification; carbohydrate sulfation.,similarity:Belongs to the galactose-3-O-sulfotransferase family.,tissue specificity:Highly expressed in thyroid, brain, kidney, heart and spinal cord.,
Golgi apparatus, Golgi stack membrane ; Single-pass type II membrane protein .
Highly expressed in thyroid, brain, kidney, heart and spinal cord.