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CS/DS degradation
Stable Identifier
R-HSA-2024101
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)
Chondroitin sulfate/dermatan sulfate metabolism (Homo sapiens)
CS/DS 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 chondroitin sulfate and dermatan sulfate. Complete degradation of glycoproteins is required to avoid build up of glycosaminoglycan fragments which can cause lysosomal storage diseases. Complete degradation steps are not shown as they are repetitions of the main ones described here. 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
DSPG and CSPG translocate to the lysosome for degradation
(Homo sapiens)
DS is cleaved from its proteoglycan
(Homo sapiens)
CS is cleaved from its proteoglycan
(Homo sapiens)
ARSB hydrolyses DS
(Homo sapiens)
IDS hydrolyses dermatan sulfate (Chebi:63517 chain)
(Homo sapiens)
HEXA cleaves the terminal GalNAc from DS
(Homo sapiens)
HEXB cleaves the terminal GalNAc from DS
(Homo sapiens)
IDUA) hydrolyses the unsulfated alpha-L-iduronosidic link in DS
(Homo sapiens)
ARSB hydrolyses C4S/C6S chains
(Homo sapiens)
HYAL1 hydrolyses Chondroitin chains
(Homo sapiens)
Participates
as an event of
Chondroitin sulfate/dermatan sulfate metabolism (Homo sapiens)
Event Information
Go Biological Process
glycosaminoglycan catabolic process (0006027)
Orthologous Events
CS/DS degradation (Bos taurus)
CS/DS degradation (Caenorhabditis elegans)
CS/DS degradation (Canis familiaris)
CS/DS degradation (Danio rerio)
CS/DS degradation (Dictyostelium discoideum)
CS/DS degradation (Drosophila melanogaster)
CS/DS degradation (Gallus gallus)
CS/DS degradation (Mus musculus)
CS/DS degradation (Rattus norvegicus)
CS/DS degradation (Sus scrofa)
CS/DS 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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