Abstract
Selection of the proper start codon for the synthesis of a polypeptide by the Escherichia coli translation initiation apparatus involves several macromolecular components. These macromolecules interact in a specific and concerted manner to yield the translation initiation complex. This review focuses on recent data concerning the properties of the initiator tRNA and of enzymes and factors involved in the translation initiation process. The three initiation factors, as well as methionyl-tRNA synthetase and methionyl-tRNA(f)(Met) formyltransferase are described. In addition, the tRNA recognition properties of EF-Tu and peptidyl-tRNA hydrolase are considered. Finally, peptide deformylase and methionine aminopeptidase, which catalyze the amino terminal maturation of nascent polypeptides, can also be associated to the translation initiation process.
| Original language | English |
|---|---|
| Pages (from-to) | 543-554 |
| Number of pages | 12 |
| Journal | Biochimie |
| Volume | 78 |
| Issue number | 7 |
| DOIs | |
| Publication status | Published - 1 Jan 1996 |
Keywords
- Elongation factor Tu
- Initiation factor
- Initiator tRNA
- Methionyl-tRNA synthetase
- Methionyl-tRNA(f)(Met) formyltransferase
- Peptide deformylase
- Peptidyl-tRNA hydrolase
- Translation initiation
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