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The chemical reactions and pathways resulting in the breakdown of a macromolecule, any large molecule including proteins, nucleic acids and carbohydrates, as carried out by individual cells. The chemical reactions and pathways involving macromolecules, any molecule of high relative molecular mass, the structure of which essentially comprises the multiple repetition of units derived, actually or conceptually, from molecules of low relative molecular mass, as carried out by individual cells. The chemical reactions and pathways resulting in the breakdown of a prosthetic group, the non-amino acid portion of certain protein molecules. Prosthetic groups may be inorganic or organic and are usually required for the biological activity of the protein. The chemical reactions and pathways resulting in the breakdown of rhodopsin, a brilliant purplish-red, light-sensitive visual pigment found in the rod cells of the retinas. The chemical reactions and pathways resulting in the breakdown of a macromolecule, any molecule of high relative molecular mass, the structure of which essentially comprises the multiple repetition of units derived, actually or conceptually, from molecules of low relative molecular mass. Structural change in proteins which destroys the native, active configuration without rupture of peptide bonds. The chemical reactions and pathways resulting in the breakdown of a protein by the destruction of the native, active configuration, with or without the hydrolysis of peptide bonds. The chemical reactions and pathways resulting in the breakdown of a protein in the vacuole, usually by the action of vacuolar proteases. The chemical reactions and pathways resulting in the breakdown of one or more components of the light-harvesting complex of photosystem II. The hydrolysis of a peptide bond or bonds within a protein as part of the chemical reactions and pathways resulting in the breakdown of a protein by individual cells. The chemical reactions and pathways resulting in the breakdown of a low-density lipoprotein receptor molecule, a macromolecule that undergoes combination with a hormone, neurotransmitter, drug or intracellular messenger to initiate a change in cell function. Any process that stops, prevents or reduces the frequency, rate or extent of DNA-dependent transcription using a mechanism that involves the catabolism of a transcription factor. The chemical reactions and pathways resulting in the breakdown of a protein by individual cells. The chemical reactions and pathways resulting in the breakdown of substances, carried out by individual cells. The chemical reactions and pathways involving a specific protein, rather than of proteins in general, occurring at the level of an individual cell. Includes protein modification. The chemical reactions and pathways involving a specific protein, rather than of proteins in general. Includes protein modification.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: cellular protein catabolic process
Acc: GO:0044257
Aspect: Biological Process
Desc: The chemical reactions and pathways resulting in the breakdown of a protein by individual cells.
Synonyms:
  • cellular protein catabolism
  • cellular protein breakdown
  • cellular protein degradation
Proteins in PDR annotated with:
   This term: 7 [Search]
   Term or descendants: 1554 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0044257 - cellular protein catabolic process (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle