The function of ENSG00000158850 (B4GALT3, beta-1,4-galactosyltransferase 3) is as follows. Responsible for the synthesis of complex-type N-linked oligosaccharides in many glycoproteins as well as the carbohydrate moieties of glycolipids. {ECO:0000269|PubMed:11588157, ECO:0000269|PubMed:9405390}.