2z9q

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[[Image:2z9q.gif|left|200px]]
 
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{{Structure
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==Transfer RNA in the hybrid P/E state==
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|PDB= 2z9q |SIZE=350|CAPTION= <scene name='initialview01'>2z9q</scene>
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<SX load='2z9q' size='340' side='right' viewer='molstar' caption='[[2z9q]], [[Resolution|resolution]] 11.70&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND=
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<table><tr><td colspan='2'>[[2z9q]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Thermus_aquaticus Thermus aquaticus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2Z9Q OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2Z9Q FirstGlance]. <br>
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|ACTIVITY=
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 11.7&#8491;</td></tr>
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|GENE=
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=1MA:6-HYDRO-1-METHYLADENOSINE-5-MONOPHOSPHATE'>1MA</scene>, <scene name='pdbligand=2MG:2N-METHYLGUANOSINE-5-MONOPHOSPHATE'>2MG</scene>, <scene name='pdbligand=5MC:5-METHYLCYTIDINE-5-MONOPHOSPHATE'>5MC</scene>, <scene name='pdbligand=5MU:5-METHYLURIDINE+5-MONOPHOSPHATE'>5MU</scene>, <scene name='pdbligand=7MG:7N-METHYL-8-HYDROGUANOSINE-5-MONOPHOSPHATE'>7MG</scene>, <scene name='pdbligand=H2U:5,6-DIHYDROURIDINE-5-MONOPHOSPHATE'>H2U</scene>, <scene name='pdbligand=M2G:N2-DIMETHYLGUANOSINE-5-MONOPHOSPHATE'>M2G</scene>, <scene name='pdbligand=OMC:O2-METHYLYCYTIDINE-5-MONOPHOSPHATE'>OMC</scene>, <scene name='pdbligand=OMG:O2-METHYLGUANOSINE-5-MONOPHOSPHATE'>OMG</scene>, <scene name='pdbligand=PSU:PSEUDOURIDINE-5-MONOPHOSPHATE'>PSU</scene>, <scene name='pdbligand=YYG:4-(3-[5-O-PHOSPHONORIBOFURANOSYL]-4,6-DIMETHYL-8-OXO-4,8-DIHYDRO-3H-1,3,4,5,7A-PENTAAZA-S-INDACEN-YLAMINO-BUTYRIC+ACID+METHYL+ESTER'>YYG</scene></td></tr>
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}}
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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=2z9q FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2z9q OCA], [https://pdbe.org/2z9q PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2z9q RCSB], [https://www.ebi.ac.uk/pdbsum/2z9q PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2z9q ProSAT]</span></td></tr>
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</table>
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'''Transfer RNA in the hybrid P/E state'''
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__TOC__
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</SX>
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[[Category: Large Structures]]
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==Overview==
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During the ribosomal translocation, the binding of elongation factor G (EF-G) to the pretranslocational ribosome leads to a ratchet-like rotation of the 30S subunit relative to the 50S subunit in the direction of the mRNA movement. By means of cryo-electron microscopy we observe that this rotation is accompanied by a 20 A movement of the L1 stalk of the 50S subunit, implying that this region is involved in the translocation of deacylated tRNAs from the P to the E site. These ribosomal motions can occur only when the P-site tRNA is deacylated. Prior to peptidyl-transfer to the A-site tRNA or peptide removal, the presence of the charged P-site tRNA locks the ribosome and prohibits both of these motions.
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==About this Structure==
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2Z9Q is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Thermus_aquaticus Thermus aquaticus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2Z9Q OCA].
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==Reference==
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Locking and unlocking of ribosomal motions., Valle M, Zavialov A, Sengupta J, Rawat U, Ehrenberg M, Frank J, Cell. 2003 Jul 11;114(1):123-34. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/12859903 12859903]
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[[Category: Single protein]]
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[[Category: Thermus aquaticus]]
[[Category: Thermus aquaticus]]
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[[Category: Frank, J.]]
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[[Category: Frank J]]
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[[Category: Li, W.]]
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[[Category: Li W]]
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[[Category: distorted anticodon-stem-loop]]
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[[Category: rna]]
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[[Category: twisted cca arm]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 18:53:11 2008''
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Current revision

Transfer RNA in the hybrid P/E state

2z9q, resolution 11.70Å

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