catalytic activity:UDP-N-acetyl-D-glucosamine + beta-D-galactosyl-(1->4)-N-acetyl-D-glucosaminyl-R = UDP + N-acetyl-beta-D-glucosaminyl-(1->3)-beta-D-galactosyl-(1->4)-N-acetyl-D-glucosaminyl-R.,caution:Was indicated as B3Gal-T6 in submitted DNA entries.,cofactor:Manganese.,function:Can initiate the synthesis or the elongation of the linear poly-N-acetyllactosaminoglycans.,function:Catalyzes the initiation and elongation of poly-N-acetyllactosamine chains.,online information:GlycoGene database,online information:N-acetyllactosaminide beta-1,3-N-acetylglucosaminyltransferase,online information:UDP-GlcNAc:betaGal beta-1,3-N-acetylglucosaminyltransferase 1,pathway:Protein modification; protein glycosylation.,similarity:Belongs to the glycosyltransferase 31 family.,tissue specificity:In the adult, highly expressed in heart, brain, skeletal muscle and kidney and to a lesser extent in placenta, pancreas, spleen, prostate, testis, ovary, small intestine and colon. Very weak expression in lung, liver, thymus and peripheral blood leukocytes. In fetal highly expressed in brain and kidney and to a lesser extent in lung and liver.,
Golgi apparatus membrane ; Single-pass type II membrane protein .
Ubiquitous.