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1f60

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{{STRUCTURE_1f60| PDB=1f60 | SCENE= }}
{{STRUCTURE_1f60| PDB=1f60 | SCENE= }}
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'''CRYSTAL STRUCTURE OF THE YEAST ELONGATION FACTOR COMPLEX EEF1A:EEF1BA'''
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===CRYSTAL STRUCTURE OF THE YEAST ELONGATION FACTOR COMPLEX EEF1A:EEF1BA===
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==Overview==
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The crystal structure of a complex between the protein biosynthesis elongation factor eEF1A (formerly EF-1alpha) and the catalytic C terminus of its exchange factor, eEF1Balpha (formerly EF-1beta), was determined to 1.67 A resolution. One end of the nucleotide exchange factor is buried between the switch 1 and 2 regions of eEF1A and destroys the binding site for the Mg(2+) ion associated with the nucleotide. The second end of eEF1Balpha interacts with domain 2 of eEF1A in the region hypothesized to be involved in the binding of the CCA-aminoacyl end of the tRNA. The competition between eEF1Balpha and aminoacylated tRNA may be a central element in channeling the reactants in eukaryotic protein synthesis. The recognition of eEF1A by eEF1Balpha is very different from that observed in the prokaryotic EF-Tu:EF-Ts complex. Recognition of the switch 2 region in nucleotide exchange is, however, common to the elongation factor complexes and those of Ras:Sos and Arf1:Sec7.
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(as it appears on PubMed at http://www.pubmed.gov), where 11106763 is the PubMed ID number.
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{{ABSTRACT_PUBMED_11106763}}
==About this Structure==
==About this Structure==
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[[Category: Valente, L.]]
[[Category: Valente, L.]]
[[Category: Protein-protein complex]]
[[Category: Protein-protein complex]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 1 02:45:22 2008''

Revision as of 23:45, 30 June 2008

Image:1f60.png

Template:STRUCTURE 1f60

CRYSTAL STRUCTURE OF THE YEAST ELONGATION FACTOR COMPLEX EEF1A:EEF1BA

Template:ABSTRACT PUBMED 11106763

About this Structure

1F60 is a Protein complex structure of sequences from Saccharomyces cerevisiae. Full crystallographic information is available from OCA.

Reference

Structural basis for nucleotide exchange and competition with tRNA in the yeast elongation factor complex eEF1A:eEF1Balpha., Andersen GR, Pedersen L, Valente L, Chatterjee I, Kinzy TG, Kjeldgaard M, Nyborg J, Mol Cell. 2000 Nov;6(5):1261-6. PMID:11106763

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