1zo3

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[[Image:1zo3.png|left|200px]]
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==The P-site and P/E-site tRNA structures fitted to P/I site codon.==
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<StructureSection load='1zo3' size='340' side='right' caption='[[1zo3]], [[Resolution|resolution]] 13.80&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1zo3]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ZO3 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1ZO3 FirstGlance]. <br>
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</td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1zo1|1zo1]]</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1zo3 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1zo3 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1zo3 RCSB], [http://www.ebi.ac.uk/pdbsum/1zo3 PDBsum]</span></td></tr>
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</table>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The 70S ribosome and its complement of factors required for initiation of translation in E. coli were purified separately and reassembled in vitro with GDPNP, producing a stable initiation complex (IC) stalled after 70S assembly. We have obtained a cryo-EM reconstruction of the IC showing IF2*GDPNP at the intersubunit cleft of the 70S ribosome. IF2*GDPNP contacts the 30S and 50S subunits as well as fMet-tRNA(fMet). IF2 here adopts a conformation radically different from that seen in the recent crystal structure of IF2. The C-terminal domain of IF2 binds to the single-stranded portion of fMet-tRNA(fMet), thereby forcing the tRNA into a novel orientation at the P site. The GTP binding domain of IF2 binds to the GTPase-associated center of the 50S subunit in a manner similar to EF-G and EF-Tu. Additionally, we present evidence for the localization of IF1, IF3, one C-terminal domain of L7/L12, and the N-terminal domain of IF2 in the initiation complex.
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{{STRUCTURE_1zo3| PDB=1zo3 | SCENE= }}
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The cryo-EM structure of a translation initiation complex from Escherichia coli.,Allen GS, Zavialov A, Gursky R, Ehrenberg M, Frank J Cell. 2005 Jun 3;121(5):703-12. PMID:15935757<ref>PMID:15935757</ref>
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===The P-site and P/E-site tRNA structures fitted to P/I site codon.===
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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{{ABSTRACT_PUBMED_15935757}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[1zo3]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ZO3 OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:015935757</ref><references group="xtra"/>
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[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
[[Category: Allen, G S.]]
[[Category: Allen, G S.]]

Revision as of 08:19, 8 October 2014

The P-site and P/E-site tRNA structures fitted to P/I site codon.

1zo3, resolution 13.80Å

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