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[[Image:1hr0.png|left|200px]]
==CRYSTAL STRUCTURE OF INITIATION FACTOR IF1 BOUND TO THE 30S RIBOSOMAL SUBUNIT==
<StructureSection load='1hr0' size='340' side='right' caption='[[1hr0]], [[Resolution|resolution]] 3.20&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[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]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1HR0 FirstGlance]. <br>
</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>
<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1qd7|1qd7]], [[1fjf|1fjf]], [[1fjg|1fjg]]</td></tr>
<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=1hr0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1hr0 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1hr0 RCSB], [http://www.ebi.ac.uk/pdbsum/1hr0 PDBsum]</span></td></tr>
<table>
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/hr/1hr0_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
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.


{{STRUCTURE_1hr0|  PDB=1hr0  |  SCENE=  }}
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>


===CRYSTAL STRUCTURE OF INITIATION FACTOR IF1 BOUND TO THE 30S RIBOSOMAL SUBUNIT===
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
 
</div>
{{ABSTRACT_PUBMED_11228145}}
 
==About this Structure==
[[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].


==See Also==
==See Also==
*[[Ribosomal protein S10|Ribosomal protein S10]]
*[[Ribosomal protein S11|Ribosomal protein S11]]
*[[Ribosomal protein S12|Ribosomal protein S12]]
*[[Ribosomal protein S13|Ribosomal protein S13]]
*[[Ribosomal protein S14|Ribosomal protein S14]]
*[[Ribosomal protein S15|Ribosomal protein S15]]
*[[Ribosomal protein S16|Ribosomal protein S16]]
*[[Ribosomal protein S17|Ribosomal protein S17]]
*[[Ribosomal protein S18|Ribosomal protein S18]]
*[[Ribosomal protein S19|Ribosomal protein S19]]
*[[Ribosomal protein S2|Ribosomal protein S2]]
*[[Ribosomal protein S20|Ribosomal protein S20]]
*[[Ribosomal protein S3|Ribosomal protein S3]]
*[[Ribosomal protein S4|Ribosomal protein S4]]
*[[Ribosomal protein S5|Ribosomal protein S5]]
*[[Ribosomal protein S6|Ribosomal protein S6]]
*[[Ribosomal protein S7|Ribosomal protein S7]]
*[[Ribosomal protein S8|Ribosomal protein S8]]
*[[Ribosomal protein S9|Ribosomal protein S9]]
*[[Ribosomal protein THX|Ribosomal protein THX]]
*[[Ribosomal protein THX|Ribosomal protein THX]]
*[[Ribosome|Ribosome]]
*[[Ribosome 3D structures|Ribosome 3D structures]]
 
== References ==
==Reference==
<references/>
<ref group="xtra">PMID:011228145</ref><ref group="xtra">PMID:015502846</ref><ref group="xtra">PMID:015630477</ref><references group="xtra"/>
__TOC__
</StructureSection>
[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
[[Category: Thermus thermophilus]]
[[Category: Thermus thermophilus]]
Retrieved from "https://proteopedia.org/1hr0"