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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 anaerobic conversion of pyrimidines, yielding energy in the form of ATP. The chemical reactions and pathways resulting in the breakdown of thymine, 5-methyluracil, one of the two major pyrimidine bases present (as thymidine) in DNA but not found in RNA other than (as ribothymidine) in transfer RNA, where it is a minor base. The chemical reactions and pathways involving a nucleobase, a nitrogenous base that is a constituent of a nucleic acid, e.g. the purines: adenine, guanine, hypoxanthine, xanthine and the pyrimidines: cytosine, uracil, thymine. The chemical reactions and pathways resulting in the breakdown of 5-methylcytosine, a methylated base of DNA. The chemical reactions and pathways resulting in the breakdown of a nucleobase, a nitrogenous base that is a constituent of a nucleic acid. The chemical reactions and pathways resulting in the breakdown of uracil, 2,4-dioxopyrimidine, one of the pyrimidine bases occurring in RNA, but not in DNA. The chemical reactions and pathways involving pyrimidine bases, 1,3-diazine, organic nitrogenous bases. The chemical reactions and pathways resulting in the breakdown of cytosine, 4-amino-2-hydroxypyrimidine, a pyrimidine derivative that is one of the five main bases found in nucleic acids; it occurs widely in cytidine derivatives. The chemical reactions and pathways resulting in the breakdown of pyrimidine bases, 1,3-diazine, organic nitrogenous bases.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: pyrimidine base catabolic process
Acc: GO:0006208
Aspect: Biological Process
Desc: The chemical reactions and pathways resulting in the breakdown of pyrimidine bases, 1,3-diazine, organic nitrogenous bases.
Synonyms:
  • pyrimidine base degradation
  • pyrimidine base catabolism
  • pyrimidine base breakdown
Proteins in PDR annotated with:
   This term: 8 [Search]
   Term or descendants: 13 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0006208 - pyrimidine base catabolic process (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle