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The protein modification process by which the translation-initiating methionine or formylmethionine residue is removed from a protein. Addition of an amide group from a glycine to a protein amino acid. The protein modification process by which a glutathione molecule is added to a protein amino acid through a disulfide linkage. 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. Any process that stops, prevents or reduces the frequency, rate or extent of the covalent alteration of one or more amino acid residues within a protein. The covalent alteration of an amino acid charged on a tRNA before it is incorporated into a protein, as in N-formylmethionine, selenocysteine or pyrrolysine. Any process that activates or increases the frequency, rate or extent of the covalent alteration of one or more amino acid residues within a protein. The removal of palymitoyl groups from a lipoprotein. The alteration of an amino acid residue in a peptide. The covalent or non-covalent attachment of lipid moieties to an amino acid in a protein. Any process that modulates the frequency, rate or extent of the covalent alteration of one or more amino acid residues within a protein. The removal of an amino group from a protein amino acid. 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. A protein modification process in which a polypeptide is added to a nascent polypeptide cotranslationally by trans-translation. The addition of an acyl group, any group or radical of the form RCO- where R is an organic group, to a protein amino acid. The protein modification process by which a glutathione molecule is removed from a protein amino acid by breaking a disulfide linkage. The removal of sugar residues from a glycosylated protein. The covalent alteration of one or more amino acids occurring in a protein before the protein has been completely translated and released from the ribosome. A protein modification process by which one or more moieties of a small protein, such as ubiquitin or a ubiquitin-like protein, are covalently attached to or removed from a target protein. The covalent alteration of one or more monomeric units in a polypeptide, polynucleotide, polysaccharide, or other biological macromolecule, resulting in a change in its properties. A protein modification process that results in the addition of a sugar unit to a protein amino acid, e.g. the addition of glycan chains to proteins. 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. The covalent alteration of one or more amino acids occurring in proteins, peptides and nascent polypeptides (co-translational, post-translational modifications). Includes the modification of charged tRNAs that are destined to occur in a protein (pre-translation modification). The covalent alteration of one or more amino acids occurring in a protein after the protein has been completely translated and released from the ribosome.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: protein modification process
Acc: GO:0006464
Aspect: Biological Process
Desc: The covalent alteration of one or more amino acids occurring in proteins, peptides and nascent polypeptides (co-translational, post-translational modifications). Includes the modification of charged tRNAs that are destined to occur in a protein (pre-translation modification).
Synonyms:
  • process resulting in protein modification
  • protein tagging activity
Proteins in PDR annotated with:
   This term: 603 [Search]
   Term or descendants: 9427 [Refine Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0006464 - protein modification process (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle