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The chemical reactions and pathways involving cyanophycin, a non-protein, non-ribosomally produced amino acid polymer composed of an aspartic acid backbone and arginine side groups. Any process that is carried out at the cellular level, but not necessarily restricted to a single cell. For example, cell communication occurs among more than one cell, but occurs at the cellular level. The chemical reactions and pathways resulting in the formation of peptides, compounds of 2 or more (but usually less than 100) amino acids where the alpha carboxyl group of one is bound to the alpha amino group of another. This may include the translation of a precursor protein and its subsequent processing into a functional peptide. The chemical reactions and pathways involving glutathione, the tripeptide glutamylcysteinylglycine, which acts as a coenzyme for some enzymes and as an antioxidant in the protection of sulfhydryl groups in enzymes and other proteins; it has a specific role in the reduction of hydrogen peroxide (H2O2) and oxidized ascorbate, and it participates in the gamma-glutamyl cycle. Any process involved in maintaining the structure and integrity of a peptide and preventing it from being degraded. The covalent alteration of one or more amino acid residues within a peptide, resulting in a change in the properties of that peptide. The chemical reactions and pathways, including anabolism and catabolism, by which living organisms transform chemical substances. Metabolic processes typically transform small molecules, but also include macromolecular processes such as DNA repair and replication, and protein synthesis and degradation. The chemical reactions and pathways involving peptides with antibiotic activity. The chemical reactions and pathways involving phytochelatins, any of a group of peptides that bind metals (Cd, Zn, Cu, Pb, Hg) in thiolate coordination complexes. The structure is of the type (gamma-glutamyl-cysteinyl)n-glycine, where n is 2 to 11. The chemical reactions and pathways resulting in the breakdown of peptides, compounds of 2 or more (but usually less than 100) amino acids where the alpha carboxyl group of one is bound to the alpha amino group of another. The chemical reactions and pathways involving depsipeptides, a linear or cyclic compound composed of both amino acids and hydroxy acids in peptide and ester bonds respectively. The chemical reactions and pathways by which individual cells transform chemical substances. The proteolytic removal of a signal peptide from a protein during or after transport to a specific location in the cell. The chemical reactions and pathways involving peptides, compounds of two or more amino acids where the alpha carboxyl group of one is bound to the alpha amino group of another.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: peptide metabolic process
Acc: GO:0006518
Aspect: Biological Process
Desc: The chemical reactions and pathways involving peptides, compounds of two or more amino acids where the alpha carboxyl group of one is bound to the alpha amino group of another.
Synonyms:
  • peptide metabolism
Proteins in PDR annotated with:
   This term: 24 [Search]
   Term or descendants: 387 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0006518 - peptide metabolic process (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle