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ENZYME entry: EC

Accepted Name
Beta-N-acetylglucosaminylglycopeptide beta-1,4-galactosyltransferase.
Alternative Name(s)
Glycoprotein 4-beta-galactosyltransferase.
Thyroid galactosyltransferase.
UDP-galactose--glycoprotein galactosyltransferase.
Reaction catalysed
UDP-alpha-D-galactose + N-acetyl-beta-D-glucosaminylglycopeptide <=> UDP + beta-D-galactosyl-(1->4)-N-acetyl-beta-D-glucosaminylglycopeptide
  • Terminal N-acetyl-beta-D-glucosaminyl residues in polysaccharides, glycoproteins and glycopeptides can act as acceptor.
  • High activity is shown toward such residues in branched-chain polysaccharides when these are linked by beta-1,6 links to galactose residues; lower activity toward residues linked to galactose by beta- 1,3 links.
  • A component of EC
PRIAM enzyme-specific profiles2.4.1.38
KEGG Ligand Database for Enzyme Nomenclature2.4.1.38
IUBMB Enzyme Nomenclature2.4.1.38
MEDLINEFind literature relating to
P08037, B4GT1_BOVIN;  P15291, B4GT1_HUMAN;  P15535, B4GT1_MOUSE;  
P80225, B4GT1_RAT;  Q80WN9, B4GT2_CRIGR;  O60909, B4GT2_HUMAN;  
Q9Z2Y2, B4GT2_MOUSE;  Q5EA87, B4GT3_BOVIN;  Q80WN8, B4GT3_CRIGR;  
O60512, B4GT3_HUMAN;  Q91YY2, B4GT3_MOUSE;  Q5NVN3, B4GT3_PONAB;  
Q6P768, B4GT3_RAT;  

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