1ttt

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[[Image:1ttt.jpg|left|200px]]
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[[Image:1ttt.png|left|200px]]
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==Overview==
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{{ABSTRACT_7491491}}
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The structure of the ternary complex consisting of yeast phenylalanyl-transfer RNA (Phe-tRNAPhe), Thermus aquaticus elongation factor Tu (EF-Tu), and the guanosine triphosphate (GTP) analog GDPNP was determined by x-ray crystallography at 2.7 angstrom resolution. The ternary complex participates in placing the amino acids in their correct order when messenger RNA is translated into a protein sequence on the ribosome. The EF-Tu-GDPNP component binds to one side of the acceptor helix of Phe-tRNAPhe involving all three domains of EF-Tu. Binding sites for the phenylalanylated CCA end and the phosphorylated 5' end are located at domain interfaces, whereas the T stem interacts with the surface of the beta-barrel domain 3. The binding involves many conserved residues in EF-Tu. The overall shape of the ternary complex is similar to that of the translocation factor, EF-G-GDP, and this suggests a novel mechanism involving "molecular mimicry" in the translational apparatus.
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==About this Structure==
==About this Structure==
1TTT is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Thermus_aquaticus Thermus aquaticus]. The following page contains interesting information on the relation of 1TTT with [[http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/pdb81_1.html Elongation Factors]]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1TTT OCA].
1TTT is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Thermus_aquaticus Thermus aquaticus]. The following page contains interesting information on the relation of 1TTT with [[http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/pdb81_1.html Elongation Factors]]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1TTT OCA].
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==Reference==
 
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Crystal structure of the ternary complex of Phe-tRNAPhe, EF-Tu, and a GTP analog., Nissen P, Kjeldgaard M, Thirup S, Polekhina G, Reshetnikova L, Clark BF, Nyborg J, Science. 1995 Dec 1;270(5241):1464-72. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/7491491 7491491]
 
[[Category: Elongation Factors]]
[[Category: Elongation Factors]]
[[Category: Single protein]]
[[Category: Single protein]]
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[[Category: Ribosome]]
[[Category: Ribosome]]
[[Category: Trna]]
[[Category: Trna]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 10:21:17 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Jun 26 18:02:05 2008''

Revision as of 15:02, 26 June 2008

Image:1ttt.png

Template:STRUCTURE 1ttt

PHE-TRNA, ELONGATION FACTOR EF-TU:GDPNP TERNARY COMPLEX


Template:ABSTRACT 7491491

About this Structure

1TTT is a Single protein structure of sequence from Thermus aquaticus. The following page contains interesting information on the relation of 1TTT with [Elongation Factors]. Full crystallographic information is available from OCA.

Page seeded by OCA on Thu Jun 26 18:02:05 2008

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