2.4.1.145: alpha-1,3-mannosyl-glycoprotein 4-beta-N-acetylglucosaminyltransferase This is an abbreviated version! For detailed information about alpha-1,3-mannosyl-glycoprotein 4-beta-N-acetylglucosaminyltransferase, go to the full flat file .
Word Map on EC 2.4.1.145
Reaction
UDP-N-acetyl-alpha-D-glucosamine +
beta-D-GlcNAc-(1->2)-alpha-D-Man-(1->3)-[beta-D-GlcNAc-(1->2)-alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-beta-D-GlcNAc-N-Asn-[protein] =
UDP +
beta-D-GlcNAc-(1->2)-[beta-D-GlcNAc-(1->4)]-alpha-D-Man-(1->3)-[beta-D-GlcNAc-(1->2)-alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-beta-D-GlcNAc-N-Asn-[protein]
Synonyms (GnT)-IVa, (GnT)-IVb, alpha-1,3-mannosylglycoprotein beta-1,4-N-acetylglucosaminyltransferase, alpha1,3-mannosyl-beta1,4-N-acetylglucosaminyltransferase IV, beta-acetylglucosaminyltransferase IV, EC 2.4.1.51, GlcNAcTase-IV, GnT IV, GnT-IV, GnT-IVa, GnT-IVb, GnTIVa, Mgat4a, Mgat4b, N-acetylglucosaminyltransferase IV, N-acetylglucosaminyltransferase IVa, N-acetylglucosaminyltransferase-IV, N-acetylglucosaminyltransferase-IVa, N-acetylglucosaminyltransferase-IVb, N-glycosyl-oligosaccharide-glycoprotein N-acetylglucosaminyltransferase IV, uridine diphosphoacetylglucosamine-glycopeptide beta4-acetylglucosaminyltransferase IV
ECTree
Application
Application on EC 2.4.1.145 - alpha-1,3-mannosyl-glycoprotein 4-beta-N-acetylglucosaminyltransferase
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synthesis
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it is necessary to select appropriate host cell lines according to their glycosyltransferases activity balance to produce glycoproteins with an objective sugar chain structure. The descibed method of grouping cell lines according to their glycosyltransferases activity balance is useful to select appropriate host cells
medicine
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enzyme activity in tissue from patients with extrahepatic bile duct carcinoma remains unchanged
medicine
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enzyme activity is elevated in three choriocarcinoma cell lines compared to normal placenta. Activity in JEG-3 cells is 29 times higher than normal