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November 1, 2003Journal of Biological ChemistryOpen Access

Release of Ribosome-bound Ribosome Recycling Factor by Elongation Factor G

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Key result

Elongation factor G releases ribosome recycling factor from 70 S ribosomal and model post-termination complexes, a process stimulated by GTP analogues and required for complex disassembly.

Population

70 S ribosomal and model post-termination complexes, and 50 S ribosomal subunit complexes

Design

Preclinical

Authors

MKMichael KielNew York State Department of HealthVRV. Samuel RajSRM UniversityHKHideko KajiThomas Jefferson University

Discussion

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Implication

EF-G selectively releases RRF from 70S complexes; extends ribosome recycling models but leaves open in vivo and therapeutic relevance.

Structured PICO

P
Population
70 S ribosomal and model post-termination complexes, and 50 S ribosomal subunit complexes
I
Intervention
Elongation factor G (EF-G) with or without GTP analogues, fusidic acid, viomycin, or thiostrepton
O
Outcome
Release of ribosome-bound RRFsurrogate

The release of ribosome-bound RRF by EF-G is required for post-termination complex disassembly, involving a positional change of RRF on the ribosome.

Cite This Study

Kiel et al. (2003) studied this question. Elongation factor G (EF-G) was evaluated on Release of RRF from 70 S ribosomal and model post-termination complexes. Elongation factor G releases ribosome recycling factor from 70 S ribosomal and model post-termination complexes, a process stimulated by GTP analogues and required for complex disassembly.

synapsesocial.com/papers/6a6f134653da1ffdb5078a9ehttps://doi.org/10.1074/jbc.m304834200
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Identification of the promoter region of the ribosome-releasing factor cistron (frr)1991 · 27 citations
  2. 2Binding of Ribosome Recycling Factor to Ribosomes, Comparison with tRNA2002 · 30 citations
  3. 3Crystalline G Factor from Escherichia coli1968 · 35 citations
  4. 4Carboxyl-terminal amino acid residues in elongation factor G essential for ribosome association and translocation1994 · 30 citations
  5. 5Quantitative study of interaction of deacylated tRNA with Escherichia coli ribosomes1983 · 106 citations