Background: | This gene is one of seven beta-1, 4-galactosyltransferase (beta4GalT) genes. They encode type II membrane-bound glycoproteins that appear to have exclusive specificity for the donor substrate UDP-galactose; all transfer galactose in a beta1, 4 linkage to similar acceptor sugars: GlcNAc, Glc, and Xyl. Each beta4GalT has a distinct function in the biosynthesis of different glycoconjugates and saccharide structures. As type II membrane proteins, they have an N-terminal hydrophobic signal sequence that directs the protein to the Golgi apparatus and which then remains uncleaved to function as a transmembrane anchor. By sequence similarity, the beta4GalTs form four groups: beta4GalT1 and beta4GalT2, beta4GalT3 and beta4GalT4, beta4GalT5 and beta4GalT6, and beta4GalT7. The enzyme encoded by this gene appears to mainly play a role in glycolipid biosynthesis. Two alternatively spliced transcript variants have been found for this gene. |
UniProt Code: | O60513 |
NCBI GenInfo Identifier: | 13123971 |
NCBI Gene ID: | 8702 |
NCBI Accession: | O60513.1 |
UniProt Secondary Accession: | O60513,Q68D68, Q9BSW3, Q9C078, |
UniProt Related Accession: | O60513 |
Molecular Weight: | 344 |
NCBI Full Name: | Beta-1,4-galactosyltransferase 4 |
NCBI Synonym Full Names: | UDP-Gal:betaGlcNAc beta 1,4- galactosyltransferase, polypeptide 4 |
NCBI Official Symbol: | B4GALT4 |
NCBI Official Synonym Symbols: | B4Gal-T4; beta4Gal-T4 |
NCBI Protein Information: | beta-1,4-galactosyltransferase 4; beta-1,4-GalTase 4; UDP-Gal:beta-GlcNAc beta-1,4-galactosyltransferase 4; UDP-Gal:betaGlcNAc beta 1,4- galactosyltransferase 4; beta-N-acetylglucosaminyl-glycolipid beta-1,4-galactosyltransferase 4; UDP-galactose:beta-N-acetylglucosamine beta-1,4-galactosyltransferase 4 |
UniProt Protein Name: | Beta-1,4-galactosyltransferase 4 |
UniProt Synonym Protein Names: | UDP-Gal:beta-GlcNAc beta-1,4-galactosyltransferase 4; UDP-galactose:beta-N-acetylglucosamine beta-1,4-galactosyltransferase 4Including the following 2 domains:N-acetyllactosamine synthase (EC:2.4.1.90)Alternative name(s):Nal synthase |
Protein Family: | Beta-1,4-galactosyltransferase |
UniProt Gene Name: | B4GALT4 |
UniProt Entry Name: | B4GT4_HUMAN |