Beta-1,3-N-acetylglucosaminyltransferase 3

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Aliases B3GNT3, B3GAL-T8, B3GN-T3, B3GNT-3, HP10328, TMEM3, beta3Gn-T3, Beta-1,3-N-acetylglucosaminyltransferase 3, UDP-GlcNAc:betaGal beta-1,3-N-acetylglucosaminyltransferase 3
External IDs MGI: 2152535 HomoloGene: 113516 GeneCards: B3GNT3
EC number
Gene location (Human)
Chromosome 19 (human)
Chr. Chromosome 19 (human)[1]
Chromosome 19 (human)
Genomic location for B3GNT3
Genomic location for B3GNT3
Band 19p13.11 Start 17,794,828 bp[1]
End 17,813,082 bp[1]
RNA expression pattern
PBB GE B3GNT3 204856 at fs.png
More reference expression data
Species Human Mouse
RefSeq (mRNA)



RefSeq (protein)



Location (UCSC) Chr 19: 17.79 – 17.81 Mb Chr 19: 71.69 – 71.7 Mb
PubMed search [3] [4]
View/Edit Human View/Edit Mouse

UDP-GlcNAc:betaGal beta-1,3-N-acetylglucosaminyltransferase 3 is an enzyme that in humans is encoded by the B3GNT3 gene.[5][6][7]

This gene encodes a member of the beta-1,3-N-acetylglucosaminyltransferase family. This enzyme is a type II transmembrane protein and contains a signal anchor that is not cleaved. It prefers the substrates of lacto-N-tetraose and lacto-N-neotetraose, and is involved in the biosynthesis of poly-N-acetyllactosamine chains and the biosynthesis of the backbone structure of dimeric sialyl Lewis a. It plays dominant roles in L-selectin ligand biosynthesis, lymphocyte homing and lymphocyte trafficking.[7]


  1. ^ a b c GRCh38: Ensembl release 89: ENSG00000179913 - Ensembl, May 2017
  2. ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000031803 - Ensembl, May 2017
  3. ^ "Human PubMed Reference:". 
  4. ^ "Mouse PubMed Reference:". 
  5. ^ Yokoyama-Kobayashi M, Yamaguchi T, Sekine S, Kato S (Apr 1999). "Selection of cDNAs encoding putative type II membrane proteins on the cell surface from a human full-length cDNA bank". Gene. 228 (1-2): 161–7. PMID 10072769. doi:10.1016/S0378-1119(99)00004-9. 
  6. ^ Shiraishi N, Natsume A, Togayachi A, Endo T, Akashima T, Yamada Y, Imai N, Nakagawa S, Koizumi S, Sekine S, Narimatsu H, Sasaki K (May 2001). "Identification and characterization of three novel beta 1,3-N-acetylglucosaminyltransferases structurally related to the beta 1,3-galactosyltransferase family". J Biol Chem. 276 (5): 3498–507. PMID 11042166. doi:10.1074/jbc.M004800200. 
  7. ^ a b "Entrez Gene: B3GNT3 UDP-GlcNAc:betaGal beta-1,3-N-acetylglucosaminyltransferase 3". 

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