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Gene ontology
Version 2014-12-22
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Details for glucuronosyl-N-acetylglucosaminyl-proteoglycan 4-alpha-N-acetylglucosaminyltransferase activity
2.4.1.224
Gene ontology ID
GO:0050508
Definition
Catalysis of the reaction: beta-D-glucuronosyl-(1,4)-N-acetyl-alpha-D-glucosaminyl-proteoglycan + UDP-N-acetyl-D-glucosamine = N-acetyl-alpha-D-glucosaminyl-(1,4)-beta-D-glucuronosyl-(1,4)-N-acetyl-alpha-D-glucosaminyl-proteoglycan + UDP
Synonyms
1. alpha-N-acetylglucosaminyltransferase II activity
2. glucuronosyl-N-acetylglucosaminyl-proteoglycan 4-a-N-acetylglucosaminyltransferase activity
3. glucuronyl-N-acetylglucosaminylproteoglycan alpha-1,4-N-acetylglucosaminyltransferase activity
4. UDP-N-acetyl-D-glucosamine:beta-D-glucuronosyl-(1->4)-N-acetyl-alpha-D-glucosaminyl-proteoglycan 4-alpha-N-acetylglucosaminyltransferase activity
References
1. EC 2.4.1.224
2. MetaCyc 2.4.1.224-RXN
3. Reactome: R-HSA-2022851 "EXT1:EXT2 transfer GlcNAc to the heparan chain"
4. Reactome: R-HSA-2022919 "EXT1:EXT2 transfers GlcNAc to the terminal GlcA residue"
5. Reactome: R-HSA-3656254 "Defective EXT2 (in EXT1:EXT2) does not transfer GlcNAc to the heparan chain"
6. Reactome: R-HSA-3656261 "Defective EXT1 (in EXT1:EXT2) does not transfer GlcNAc to the heparan chain"
7. Reactome: R-HSA-9036283 "Defective EXT1 (in EXT1:EXT2) does not transfer GlcNAc to the terminal GlcA residue"
8. Reactome: R-HSA-9036290 "Defective EXT2 (in EXT1:EXT2) does not transfer GlcNAc to heparan"
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