1hr0

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[[Image:1hr0.png|left|200px]]
 
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{{STRUCTURE_1hr0| PDB=1hr0 | SCENE= }}
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==CRYSTAL STRUCTURE OF INITIATION FACTOR IF1 BOUND TO THE 30S RIBOSOMAL SUBUNIT==
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<StructureSection load='1hr0' size='340' side='right'caption='[[1hr0]], [[Resolution|resolution]] 3.20&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1hr0]] is a 10 chain structure with sequence from [https://en.wikipedia.org/wiki/Thermus_thermophilus Thermus thermophilus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1HR0 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1HR0 FirstGlance]. <br>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 3.2&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1hr0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1hr0 OCA], [https://pdbe.org/1hr0 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1hr0 RCSB], [https://www.ebi.ac.uk/pdbsum/1hr0 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1hr0 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/RS2_THET8 RS2_THET8] Spans the head-body hinge region of the 30S subunit. Is loosely associated with the 30S subunit.[HAMAP-Rule:MF_00291_B]
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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/hr/1hr0_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/main_output.php?pdb_ID=1hr0 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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Initiation of translation at the correct position on messenger RNA is essential for accurate protein synthesis. In prokaryotes, this process requires three initiation factors: IF1, IF2, and IF3. Here we report the crystal structure of a complex of IF1 and the 30S ribosomal subunit. Binding of IF1 occludes the ribosomal A site and flips out the functionally important bases A1492 and A1493 from helix 44 of 16S RNA, burying them in pockets in IF1. The binding of IF1 causes long-range changes in the conformation of H44 and leads to movement of the domains of 30S with respect to each other. The structure explains how localized changes at the ribosomal A site lead to global alterations in the conformation of the 30S subunit.
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===CRYSTAL STRUCTURE OF INITIATION FACTOR IF1 BOUND TO THE 30S RIBOSOMAL SUBUNIT===
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Crystal structure of an initiation factor bound to the 30S ribosomal subunit.,Carter AP, Clemons WM Jr, Brodersen DE, Morgan-Warren RJ, Hartsch T, Wimberly BT, Ramakrishnan V Science. 2001 Jan 19;291(5503):498-501. PMID:11228145<ref>PMID:11228145</ref>
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{{ABSTRACT_PUBMED_11228145}}
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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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==About this Structure==
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<div class="pdbe-citations 1hr0" style="background-color:#fffaf0;"></div>
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[[1hr0]] is a 23 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli] and [http://en.wikipedia.org/wiki/Thermus_thermophilus Thermus thermophilus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1HR0 OCA].
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==See Also==
==See Also==
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*[[Ribosomal protein S10|Ribosomal protein S10]]
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*[[Ribosome 3D structures|Ribosome 3D structures]]
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*[[Ribosomal protein S11|Ribosomal protein S11]]
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== References ==
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*[[Ribosomal protein S12|Ribosomal protein S12]]
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<references/>
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*[[Ribosomal protein S13|Ribosomal protein S13]]
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__TOC__
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*[[Ribosomal protein S14|Ribosomal protein S14]]
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</StructureSection>
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*[[Ribosomal protein S15|Ribosomal protein S15]]
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[[Category: Large Structures]]
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*[[Ribosomal protein S16|Ribosomal protein S16]]
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*[[Ribosomal protein S17|Ribosomal protein S17]]
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*[[Ribosomal protein S18|Ribosomal protein S18]]
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*[[Ribosomal protein S19|Ribosomal protein S19]]
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*[[Ribosomal protein S2|Ribosomal protein S2]]
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*[[Ribosomal protein S20|Ribosomal protein S20]]
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*[[Ribosomal protein S3|Ribosomal protein S3]]
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*[[Ribosomal protein S4|Ribosomal protein S4]]
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*[[Ribosomal protein S5|Ribosomal protein S5]]
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*[[Ribosomal protein S6|Ribosomal protein S6]]
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*[[Ribosomal protein S7|Ribosomal protein S7]]
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*[[Ribosomal protein S8|Ribosomal protein S8]]
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*[[Ribosomal protein S9|Ribosomal protein S9]]
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*[[Ribosomal protein THX|Ribosomal protein THX]]
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*[[Ribosome|Ribosome]]
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==Reference==
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<ref group="xtra">PMID:011228145</ref><ref group="xtra">PMID:015502846</ref><ref group="xtra">PMID:015630477</ref><references group="xtra"/>
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[[Category: Escherichia coli]]
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[[Category: Thermus thermophilus]]
[[Category: Thermus thermophilus]]
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[[Category: Brodersen, D E.]]
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[[Category: Brodersen DE]]
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[[Category: Carter, A P.]]
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[[Category: Carter AP]]
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[[Category: Clemons, W M.]]
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[[Category: Clemons Jr WM]]
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[[Category: Morgan-Warren, R J.]]
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[[Category: Morgan-Warren RJ]]
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[[Category: Ramakrishnan, V.]]
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[[Category: Ramakrishnan V]]
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[[Category: Wimberly, B T.]]
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[[Category: Wimberly BT]]
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[[Category: 30]]
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[[Category: If1]]
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[[Category: Initiation factor]]
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[[Category: Ribosomal subunit]]
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[[Category: Ribosome]]
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Current revision

CRYSTAL STRUCTURE OF INITIATION FACTOR IF1 BOUND TO THE 30S RIBOSOMAL SUBUNIT

PDB ID 1hr0

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