post-translational protein modification GO_0043687
post-translational protein modification
ID: GO_0043687
Class
The process of covalently altering one or more amino acids in a protein after the protein has been completely translated and released from the ribosome.
This term should only be used to annotate a protein modification process that occurs after the protein has been released from the ribosome, and is therefore strictly post-translational. Modification of a free protein (one not attached to a ribosome) and modification of a C-terminal residue are post-translational processes. Some protein modifications occur while the protein is still in the ribosome but before translation has been completed; these modification processes are considered co-translational and should not be annotated using this term.
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Alternative Names
| Synonym | Scope | Reference |
|---|---|---|
| posttranslational amino acid modification | exact synonym | |
| posttranslational protein modification | exact synonym | |
| PTM | exact synonym | |
| post-translational modification | exact synonym | |
| post-translational amino acid modification | exact synonym | |
| posttranslational modification | exact synonym |