1q7y: Difference between revisions

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[[Image:1q7y.png|left|200px]]


{{STRUCTURE_1q7y| PDB=1q7y | SCENE= }}
==Crystal Structure of CCdAP-Puromycin bound at the Peptidyl transferase center of the 50S ribosomal subunit==
<StructureSection load='1q7y' size='340' side='right'caption='[[1q7y]], [[Resolution|resolution]] 3.20&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[1q7y]] is a 10 chain structure with sequence from [https://en.wikipedia.org/wiki/Haloarcula_marismortui Haloarcula marismortui]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1Q7Y OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1Q7Y FirstGlance]. <br>
</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>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CD:CADMIUM+ION'>CD</scene>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=K:POTASSIUM+ION'>K</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene>, <scene name='pdbligand=PUY:PUROMYCIN'>PUY</scene></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1q7y FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1q7y OCA], [https://pdbe.org/1q7y PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1q7y RCSB], [https://www.ebi.ac.uk/pdbsum/1q7y PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1q7y ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/RL10_HALMA RL10_HALMA] This is 1 of 5 proteins that mediate the attachment of the 5S rRNA onto the large ribosomal subunit, stabilizing the orientation of adjacent RNA domains. Modeling places the A and P site tRNAs in close proximity to this protein.[HAMAP-Rule:MF_00448]
== 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/q7/1q7y_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/main_output.php?pdb_ID=1q7y ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The large ribosomal subunit catalyzes peptide bond formation and will do so by using small aminoacyl- and peptidyl-RNA fragments of tRNA. We have refined at 3-A resolution the structures of both A and P site substrate and product analogues, as well as an intermediate analogue, bound to the Haloarcula marismortui 50S ribosomal subunit. A P site substrate, CCA-Phe-caproic acid-biotin, binds equally to both sites, but in the presence of sparsomycin binds only to the P site. The CCA portions of these analogues are bound identically by either the A or P loop of the 23S rRNA. Combining the separate P and A site substrate complexes into one model reveals interactions that may occur when both are present simultaneously. The alpha-NH(2) group of an aminoacylated fragment in the A site forms one hydrogen bond with the N3 of A2486 (2451) and may form a second hydrogen bond either with the 2' OH of the A-76 ribose in the P site or with the 2' OH of A2486 (2451). These interactions position the alpha amino group adjacent to the carbonyl carbon of esterified P site substrate in an orientation suitable for a nucleophilic attack.


===Crystal Structure of CCdAP-Puromycin bound at the Peptidyl transferase center of the 50S ribosomal subunit===
Structural insights into peptide bond formation.,Hansen JL, Schmeing TM, Moore PB, Steitz TA Proc Natl Acad Sci U S A. 2002 Sep 3;99(18):11670-5. Epub 2002 Aug 16. PMID:12185246<ref>PMID:12185246</ref>


{{ABSTRACT_PUBMED_12185246}}
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
 
</div>
==About this Structure==
<div class="pdbe-citations 1q7y" style="background-color:#fffaf0;"></div>
[[1q7y]] is a 31 chain structure with sequence from [http://en.wikipedia.org/wiki/Haloarcula_marismortui Haloarcula marismortui]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1Q7Y OCA].


==See Also==
==See Also==
*[[Ribosomal protein L10|Ribosomal protein L10]]
*[[Ribosome 3D structures|Ribosome 3D structures]]
*[[Ribosomal protein L13|Ribosomal protein L13]]
== References ==
*[[Ribosomal protein L14|Ribosomal protein L14]]
<references/>
*[[Ribosomal protein L15|Ribosomal protein L15]]
__TOC__
*[[Ribosomal protein L19|Ribosomal protein L19]]
</StructureSection>
*[[Ribosomal protein L2|Ribosomal protein L2]]
*[[Ribosomal protein L21|Ribosomal protein L21]]
*[[Ribosomal protein L3|Ribosomal protein L3]]
*[[Ribosomal protein L34|Ribosomal protein L34]]
*[[Ribosomal protein L5|Ribosomal protein L5]]
*[[Ribosomal protein L6|Ribosomal protein L6]]
*[[Ribosomal protein L7|Ribosomal protein L7]]
 
==Reference==
<ref group="xtra">PMID:012185246</ref><references group="xtra"/>
[[Category: Haloarcula marismortui]]
[[Category: Haloarcula marismortui]]
[[Category: Hansen, J L.]]
[[Category: Large Structures]]
[[Category: Moore, P B.]]
[[Category: Hansen JL]]
[[Category: Schmeing, T M.]]
[[Category: Moore PB]]
[[Category: Steitz, T A.]]
[[Category: Schmeing TM]]
[[Category: Peptidyl transferase reaction]]
[[Category: Steitz TA]]
[[Category: Protein-protein complex]]
[[Category: Protein-rna complex]]
[[Category: Puromycin]]
[[Category: Ribosome]]
[[Category: Ribosome 50]]
[[Category: Rna-rna complex]]

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