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HS-GAG degradation
Stable Identifier
R-HSA-2024096
DOI
10.3180/R-HSA-2024096.2
Type
Pathway
Species
Homo sapiens
ReviewStatus
5/5
Locations in the PathwayBrowser
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Metabolism (Homo sapiens)
Metabolism of carbohydrates (Homo sapiens)
Glycosaminoglycan metabolism (Homo sapiens)
Heparan sulfate/heparin (HS-GAG) metabolism (Homo sapiens)
HS-GAG degradation (Homo sapiens)
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Lysosomal degradation of glycoproteins is part of the cellular homeostasis of glycosylation (Winchester 2005). The steps outlined below describe the degradation of heparan sulfate/heparin. Complete degradation of glycoproteins is required to avoid build up of glycosaminoglycan fragments which can cause lysosomal storage diseases. The proteolysis of the core protein of the glycoprotein is not shown here.
Literature References
PubMed ID
Title
Journal
Year
15647514
Lysosomal metabolism of glycoproteins
Winchester, B
Glycobiology
2005
Participants
Events
HS-GAGs translocate to the lysosome for degradation
(Homo sapiens)
Heparanase (HPSE) cleaves heparan sulfate from its proteoglycan (lysosome)
(Homo sapiens)
Heparanase 2 (HPSE2) binds heparan sulfate proteoglycans
(Homo sapiens)
IDUA hydrolyses Heparan sulfate chain(1)
(Homo sapiens)
SGSH hydrolyses Heparan sulfate chain(2)
(Homo sapiens)
HGSNAT oligomer acetylates Heparan sulfate chain(3)
(Homo sapiens)
NAGLU hydrolyses Heparan sulfate chain(4)
(Homo sapiens)
IDS hydrolyses Heparan sulfate chain(5)
(Homo sapiens)
IDUA hydrolyses Heparan sulfate chain(6)
(Homo sapiens)
SGSH hydrolyses Heparan sulfate chain(7)
(Homo sapiens)
HGSNAT oligomer acetylates Heparan chain(1)
(Homo sapiens)
NAGLU hydrolyses heparan chain(2)
(Homo sapiens)
GUSB tetramer hydrolyses CS/HS precursor
(Homo sapiens)
GLB1 hydrolyses linker chain(2)
(Homo sapiens)
Participates
as an event of
Heparan sulfate/heparin (HS-GAG) metabolism (Homo sapiens)
Event Information
Go Biological Process
heparan sulfate proteoglycan catabolic process (0030200)
Orthologous Events
HS-GAG degradation (Bos taurus)
HS-GAG degradation (Caenorhabditis elegans)
HS-GAG degradation (Canis familiaris)
HS-GAG degradation (Danio rerio)
HS-GAG degradation (Dictyostelium discoideum)
HS-GAG degradation (Drosophila melanogaster)
HS-GAG degradation (Gallus gallus)
HS-GAG degradation (Mus musculus)
HS-GAG degradation (Rattus norvegicus)
HS-GAG degradation (Sus scrofa)
HS-GAG degradation (Xenopus tropicalis)
Authored
Jassal, B (2011-12-14)
Reviewed
D'Eustachio, P (2012-03-28)
Created
Jassal, B (2011-12-14)
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