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Information on EC 2.4.1.145 - alpha-1,3-mannosyl-glycoprotein 4-beta-N-acetylglucosaminyltransferase

for references in articles please use BRENDA:EC2.4.1.145
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IUBMB Comments
Requires Mn2+. The enzyme, found in vertebrates, participates in the processing of N-glycans in the Golgi apparatus. By adding a glucosaminyl residue to biantennary N-linked glycans, it enables the synthesis of tri- and tetra-antennary complexes.
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Word Map
The enzyme appears in viruses and cellular organisms
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, GlcNAcTase-IV, GnT IV, GnT-IVa, GnT-IVb, GnTIVa, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
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]
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