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The chemical reactions and pathways resulting in the breakdown of any ribonucleoside, a nucleoside in which a pyrimidine base is linked to a ribose (beta-D-ribofuranose) molecule. The chemical reactions and pathways involving any pyrimidine nucleoside, one of a family of organic molecules consisting of a pyrimidine base covalently bonded to ribose (a ribonucleoside) or deoxyribose (a deoxyribonucleoside). The chemical reactions and pathways resulting in the breakdown of one of a family of organic molecules consisting of a pyrimidine base covalently bonded to a sugar ribose (a ribonucleoside) or deoxyribose (a deoxyribonucleoside). The chemical reactions and pathways resulting in the breakdown of nucleobases, nucleosides and nucleotides. The chemical reactions and pathways resulting in the breakdown of heterocyclic compounds, those with a cyclic molecular structure and at least two different atoms in the ring (or rings). The chemical reactions and pathways involving a nucleoside, a nucleobase linked to either beta-D-ribofuranose (a ribonucleoside) or 2-deoxy-beta-D-ribofuranose, (a deoxyribonucleoside), e.g. adenosine, guanosine, inosine, cytidine, uridine and deoxyadenosine, deoxyguanosine, deoxycytidine and thymidine (= deoxythymidine). The chemical reactions and pathways resulting in the breakdown of any one of a family of organic molecules consisting of a pyrimidine base covalently bonded to a sugar deoxyribose (a deoxyribonucleoside). The chemical reactions and pathways resulting in the breakdown of any one of a family of organic molecules consisting of a purine or pyrimidine base covalently bonded to a sugar ribose (a ribonucleoside) or deoxyribose (a deoxyribonucleoside).

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: pyrimidine nucleoside catabolic process
Acc: GO:0046135
Aspect: Biological Process
Desc: The chemical reactions and pathways resulting in the breakdown of one of a family of organic molecules consisting of a pyrimidine base covalently bonded to a sugar ribose (a ribonucleoside) or deoxyribose (a deoxyribonucleoside).
Synonyms:
  • pyrimidine nucleoside breakdown
  • pyrimidine nucleoside catabolism
  • pyrimidine nucleoside degradation
Proteins in PDR annotated with:
   This term: 5 [Search]
   Term or descendants: 20 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0046135 - pyrimidine nucleoside catabolic process (interactive image map)
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