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Information on EC 2.7.8.17 - UDP-N-acetylglucosamine-lysosomal-enzyme N-acetylglucosaminephosphotransferase

for references in articles please use BRENDA:EC2.7.8.17
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IUBMB Comments
Some other glycoproteins with high-mannose can act as acceptors, but much more slowly than lysosomal enzymes.
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This record set is specific for:
UNIPROT: Q6S5C2
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Word Map
The expected taxonomic range for this enzyme is: Eukaryota, Bacteria
Synonyms
gnptab, gnptg, glcnac-1-phosphotransferase, n-acetylglucosaminylphosphotransferase, udp-glcnac:lysosomal enzyme n-acetylglucosamine-1-phosphotransferase, udp-n-acetylglucosamine:lysosomal enzyme n-acetylglucosamine-1-phosphotransferase, udp-n-acetylglucosamine:glycoprotein n-acetylglucosamine-1-phosphotransferase, udp-glcnac:lysosomal enzyme glcnac-1-phosphotransferase, n-acetylglucosaminyl phosphotransferase, udp-glcnac:glycoprotein n-acetylglucosamine-1-phosphotransferase, more
SYNONYM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
UDP-GlcNAc:lysosomal enzyme N-acetylglucosamine-1-phosphotransferase
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acetylglucosamine-1-phosphotransferase, uridine diphosphoacetylglucosamine-glycoprotein
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acetylglucosamine-1-phosphotransferase, uridine diphosphoacetylglucosamine-lysosomal enzyme precursor
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lysosomal enzyme precursor acetylglucosamine-1-phosphotransferase
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N-acetylglucosaminyl phosphotransferase
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N-acetylglucosaminylphosphotransferase
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UDP-acetylglucosamine:lysosomal enzyme N-acetylglucosamine-1-phosphotransferase
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UDP-GlcNAc:glycoprotein N-acetylglucosamine-1-phosphotransferase
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UDP-GlcNAc:lysosomal enzyme N-acetylglucosamine-1-phosphotransferase
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UDP-N-acetylglucosamine:glycoprotein N-acetylglucosamine-1-phosphotransferase
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UDP-N-acetylglucosamine:glycoprotein N-acetylglucosaminyl-1-phosphotransferase
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UDP-N-acetylglucosamine:lysosomal enzyme N-acetylglucosamine-1-phosphotransferase
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REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
substituted phospho group transfer
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SYSTEMATIC NAME
IUBMB Comments
UDP-N-acetyl-D-glucosamine:lysosomal-enzyme N-acetylglucosaminephosphotransferase
Some other glycoproteins with high-mannose can act as acceptors, but much more slowly than lysosomal enzymes.
CAS REGISTRY NUMBER
COMMENTARY hide
84012-69-1
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ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
SOURCE TISSUE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
SOURCE
high expression level
Manually annotated by BRENDA team
high expression level
Manually annotated by BRENDA team
high expression level
Manually annotated by BRENDA team
high expression level
Manually annotated by BRENDA team
high expression level
Manually annotated by BRENDA team
high expression level
Manually annotated by BRENDA team
LOCALIZATION
ORGANISM
UNIPROT
COMMENTARY hide
GeneOntology No.
LITERATURE
SOURCE
localization of gamma-chain of UDP-GlcNAc:lysosomal enzyme N-acetylglucosamine-1-phosphotransferase
Manually annotated by BRENDA team
GENERAL INFORMATION
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
physiological function
in fibroblasts Gnpt knockout mice mimicking the lysosomal storage disorder mucolipidosis III, the cleavage of the alphabeta-precursor is not affected by Gnptg deficiency, while the GlcNAc-1-phosphotransferase activity is significantly reduced. 29 soluble lysosomal proteins exhibit differential abundance in Gnptg knockout fibroblasts. A subset of these lysosomal enzymes show also reduced mannose 6-phosphate modifications, fail to reach lysosomes and are secreted. Low levels of these enzymes correlate with the accumulation of non-degraded fucose-containing glycostructures and sulfated glycosaminoglycans in Gnptg knockout lysosomes
UNIPROT
ENTRY NAME
ORGANISM
NO. OF AA
NO. OF TRANSM. HELICES
MOLECULAR WEIGHT[Da]
SOURCE
SEQUENCE
LOCALIZATION PREDICTION?
GNPTG_MOUSE
307
0
34169
Swiss-Prot
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CLONED (Commentary)
ORGANISM
UNIPROT
LITERATURE
overexpression of gamma-chain of UDP-GlcNAc:lysosomal enzyme N-acetylglucosamine-1-phosphotransferase in NIH-3T3 cells induces accumulation of macromolecules, formation of large cytoplasmic vacuoles and decrease of lysosomal enzymes in cells. Transient ectopic expression of the gamma subunit in endoplasmic reticulum induces lowered lysosomal enzyme activity in cells
REF.
AUTHORS
TITLE
JOURNAL
VOL.
PAGES
YEAR
ORGANISM (UNIPROT)
PUBMED ID
SOURCE
Sun, Q.; Li, J.; Wang, C.; Huang, X.; Huang, H.; Du, D.; Liang, Y.; Han, H.
Overexpression of mouse GlcNAc-1-phosphotransferase-gamma subunit in cells induced an I-cell-like phenotype of mucolipidosis
Gene
347
55-64
2005
Mus musculus (Q6S5C2), Mus musculus
Manually annotated by BRENDA team
Di Lorenzo, G.; Voltolini Velho, R.; Winter, D.; Thelen, M.; Ahmadi, S.; Schweizer, M.; De Pace, R.; Cornils, K.; Yorgan, T.A.; Grueb, S.; Hermans-Borgmeyer, I.; Schinke, T.; Mueller-Loennies, S.; Braulke, T.; Pohl, S.
Lysosomal proteome and secretome analysis identifies missorted enzymes and their nondegraded substrates in mucolipidosis III mouse cells
Mol. Cell. Proteomics
17
1612-1626
2018
Mus musculus (Q6S5C2), Mus musculus
Manually annotated by BRENDA team