catalytic activity:UDP-N-acetyl-D-galactosamine + N-acetyl-beta-D-glucosaminyl group = UDP + N-acetyl-beta-D-galactosaminyl-(1->4)-N-acetyl-beta-D-glucosaminyl group.,function:Transfers N-acetylgalactosamine (GalNAc) from UDP-GalNAc to N-acetylglucosamine-beta-benzyl with a beta-1,4-linkage to form N,N'-diacetyllactosediamine, GalNAc-beta-1,4-GlcNAc structures in N-linked glycans and probably O-linked glycans.,online information:GlycoGene database,similarity:Belongs to the chondroitin N-acetylgalactosaminyltransferase family.,tissue specificity:Highly expressed in ovary, adult and fetal brain. Also expressed in fetal kidney and lung.,
Golgi apparatus, Golgi stack membrane ; Single-pass type II membrane protein .
Highly expressed in ovary, adult and fetal brain. Also expressed in fetal kidney and lung.
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