Elongation factor

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'''Elongation factors''' (EF) facilitate translational elongation during the formation of peptide bonds in the ribosome.<br />
'''Elongation factors''' (EF) facilitate translational elongation during the formation of peptide bonds in the ribosome.<br />
* '''EF-selB''' is selenocysteine-specific EF.<br />
* '''EF-selB''' is selenocysteine-specific EF.<br />
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* '''EF-Tu or EF 1-α''' (elongation factor thermo unstable) is a prokaryotic EF. EF-Tu contributes to translational accuracy. It catalyzes the addition of aminoacyl tRNA. <br />
+
* '''EF-Tu or EF 1-α''' (elongation factor thermo unstable) is a prokaryotic EF. EF-Tu contributes to translational accuracy. It catalyzes the addition of aminoacyl tRNA<ref>PMID:20798060</ref>. <br />
*'''EF-Ts or EF 1-β''' (elongation factor thermo stable) catalyzes the release of GDP from EF-Tu.<br />
*'''EF-Ts or EF 1-β''' (elongation factor thermo stable) catalyzes the release of GDP from EF-Tu.<br />
* '''EF-G''' translocates the peptidyl tRNA from the A site to the P site while moving the mRNA through the ribosome.<br />
* '''EF-G''' translocates the peptidyl tRNA from the A site to the P site while moving the mRNA through the ribosome.<br />

Revision as of 14:41, 19 January 2016

Structure of EF-Tu (grey and pink) with EF-Ts (green and yellow) (PDB entry 1efu)

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3D structures of elongation factor

Updated on 19-January-2016

References

  1. Takeshita D, Tomita K. Assembly of Q{beta} viral RNA polymerase with host translational elongation factors EF-Tu and -Ts. Proc Natl Acad Sci U S A. 2010 Sep 7;107(36):15733-8. Epub 2010 Aug 23. PMID:20798060 doi:http://dx.doi.org/10.1073/pnas.1006559107
  2. Jorgensen R, Merrill AR, Andersen GR. The life and death of translation elongation factor 2. Biochem Soc Trans. 2006 Feb;34(Pt 1):1-6. PMID:16246167 doi:http://dx.doi.org/10.1042/BST20060001

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Michal Harel, Alexander Berchansky, Joel L. Sussman

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