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2i2t

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{{Large structure}}
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==Crystal Structure of Ribosome with messenger RNA and the Anticodon stem-loop of P-site tRNA. This file contains the 50s subunit of one 70s ribosome. The entire crystal structure contains two 70s ribosomes and is described in remark 400.==
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{{STRUCTURE_2i2t| PDB=2i2t | SCENE= }}
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<StructureSection load='2i2t' size='340' side='right' caption='[[2i2t]], [[Resolution|resolution]] 3.22&Aring;' scene=''>
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===Crystal Structure of Ribosome with messenger RNA and the Anticodon stem-loop of P-site tRNA. This file contains the 50s subunit of one 70s ribosome. The entire crystal structure contains two 70s ribosomes and is described in remark 400.===
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== Structural highlights ==
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{{ABSTRACT_PUBMED_17038497}}
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<table><tr><td colspan='2'>[[2i2t]] is a 30 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=2I2T OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2I2T FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2i2p|2i2p]], [[2i2u|2i2u]], [[2i2v|2i2v]]</td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2i2t FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2i2t OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2i2t RCSB], [http://www.ebi.ac.uk/pdbsum/2i2t PDBsum]</span></td></tr>
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<table>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/i2/2i2t_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/chain_selection.php?pdb_ID=2ata ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Protein synthesis requires the accurate positioning of mRNA and tRNA in the peptidyl-tRNA site of the ribosome. Here we describe x-ray crystal structures of the intact bacterial ribosome from Escherichia coli in a complex with mRNA and the anticodon stem-loop of P-site tRNA. At 3.5-A resolution, these structures reveal rearrangements in the intact ribosome that clamp P-site tRNA and mRNA on the small ribosomal subunit. Binding of the anticodon stem-loop of P-site tRNA to the ribosome is sufficient to lock the head of the small ribosomal subunit in a single conformation, thereby preventing movement of mRNA and tRNA before mRNA decoding.
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==About this Structure==
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Structural basis for mRNA and tRNA positioning on the ribosome.,Berk V, Zhang W, Pai RD, Cate JH Proc Natl Acad Sci U S A. 2006 Oct 24;103(43):15830-4. Epub 2006 Oct 12. PMID:17038497<ref>PMID:17038497</ref>
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[[2i2t]] is a 30 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=2I2T OCA].
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==See Also==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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*[[Ribosomal protein L11|Ribosomal protein L11]]
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</div>
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*[[Ribosomal protein L13|Ribosomal protein L13]]
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*[[Ribosomal protein L14|Ribosomal protein L14]]
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*[[Ribosomal protein L15|Ribosomal protein L15]]
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*[[Ribosomal protein L16|Ribosomal protein L16]]
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*[[Ribosomal protein L17|Ribosomal protein L17]]
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*[[Ribosomal protein L18|Ribosomal protein L18]]
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*[[Ribosomal protein L19|Ribosomal protein L19]]
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*[[Ribosomal protein L2|Ribosomal protein L2]]
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*[[Ribosomal protein L20|Ribosomal protein L20]]
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*[[Ribosomal protein L21|Ribosomal protein L21]]
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*[[Ribosomal protein L22|Ribosomal protein L22]]
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*[[Ribosomal protein L23|Ribosomal protein L23]]
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*[[Ribosomal protein L24|Ribosomal protein L24]]
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*[[Ribosomal protein L25|Ribosomal protein L25]]
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*[[Ribosomal protein L27|Ribosomal protein L27]]
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*[[Ribosomal protein L28|Ribosomal protein L28]]
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*[[Ribosomal protein L29|Ribosomal protein L29]]
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*[[Ribosomal protein L3|Ribosomal protein L3]]
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*[[Ribosomal protein L30|Ribosomal protein L30]]
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*[[Ribosomal protein L32|Ribosomal protein L32]]
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*[[Ribosomal protein L33|Ribosomal protein L33]]
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*[[Ribosomal protein L34|Ribosomal protein L34]]
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*[[Ribosomal protein L35|Ribosomal protein L35]]
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*[[Ribosomal protein L36|Ribosomal protein L36]]
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*[[Ribosomal protein L4|Ribosomal protein L4]]
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*[[Ribosomal protein L5|Ribosomal protein L5]]
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*[[Ribosomal protein L6|Ribosomal protein L6]]
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*[[Ribosomal protein L9|Ribosomal protein L9]]
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*[[Ribosome|Ribosome]]
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==Reference==
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==See Also==
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<ref group="xtra">PMID:017038497</ref><references group="xtra"/>
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*[[Ribosome 3D structures|Ribosome 3D structures]]
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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
[[Category: Berk, V.]]
[[Category: Berk, V.]]

Revision as of 07:40, 30 September 2014

Crystal Structure of Ribosome with messenger RNA and the Anticodon stem-loop of P-site tRNA. This file contains the 50s subunit of one 70s ribosome. The entire crystal structure contains two 70s ribosomes and is described in remark 400.

2i2t, resolution 3.22Å

Drag the structure with the mouse to rotate

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OCA

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