2nxn: Difference between revisions

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[[Image:2nxn.png|left|200px]]


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==T. thermophilus ribosomal protein L11 methyltransferase (PrmA) in complex with ribosomal protein L11==
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<StructureSection load='2nxn' size='340' side='right'caption='[[2nxn]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
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== Structural highlights ==
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
<table><tr><td colspan='2'>[[2nxn]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Thermus_thermophilus_HB8 Thermus thermophilus HB8]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2NXN OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2NXN 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]] 2.4&#8491;</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=2nxn FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2nxn OCA], [https://pdbe.org/2nxn PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2nxn RCSB], [https://www.ebi.ac.uk/pdbsum/2nxn PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2nxn ProSAT]</span></td></tr>
{{STRUCTURE_2nxn|  PDB=2nxn  |  SCENE=  }}
</table>
== Function ==
[https://www.uniprot.org/uniprot/PRMA_THET8 PRMA_THET8] Methylates ribosomal protein L11; this reaction probably occurs before the protein is assembled into the ribosome. This function is dispensable for growth and thermostability.
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
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    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/nx/2nxn_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=2nxn ConSurf].
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== Publication Abstract from PubMed ==
Bacterial ribosomal protein L11 is post-translationally trimethylated at multiple residues by a single methyltransferase, PrmA. Here, we describe four structures of PrmA from the extreme thermophile Thermus thermophilus. Two apo-PrmA structures at 1.59 and 2.3 A resolution and a third with bound cofactor S-adenosyl-L-methionine at 1.75 A each exhibit distinct relative positions of the substrate recognition and catalytic domains, revealing how PrmA can position the L11 substrate for multiple, consecutive side-chain methylation reactions. The fourth structure, the PrmA-L11 enzyme-substrate complex at 2.4 A resolution, illustrates the highly specific interaction of the N-terminal domain with its substrate and places Lys39 in the PrmA active site. The presence of a unique flexible loop in the cofactor-binding site suggests how exchange of AdoMet with the reaction product S-adenosyl-L-homocysteine can occur without necessitating the dissociation of PrmA from L11. Finally, the mode of interaction of PrmA with L11 explains its observed preference for L11 as substrate before its assembly into the 50S ribosomal subunit.


===T. thermophilus ribosomal protein L11 methyltransferase (PrmA) in complex with ribosomal protein L11===
Recognition of ribosomal protein L11 by the protein trimethyltransferase PrmA.,Demirci H, Gregory ST, Dahlberg AE, Jogl G EMBO J. 2007 Jan 24;26(2):567-77. Epub 2007 Jan 11. PMID:17215866<ref>PMID:17215866</ref>


From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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<div class="pdbe-citations 2nxn" style="background-color:#fffaf0;"></div>


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==See Also==
The line below this paragraph, {{ABSTRACT_PUBMED_17215866}}, adds the Publication Abstract to the page
*[[Ribosomal protein L11 3D structures|Ribosomal protein L11 3D structures]]
(as it appears on PubMed at http://www.pubmed.gov), where 17215866 is the PubMed ID number.
*[[Ribosomal protein L11 methyltransferase|Ribosomal protein L11 methyltransferase]]
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== References ==
{{ABSTRACT_PUBMED_17215866}}
<references/>
 
__TOC__
==About this Structure==
</StructureSection>
2NXN is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Thermus_thermophilus Thermus thermophilus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2NXN OCA].
[[Category: Large Structures]]
 
[[Category: Thermus thermophilus HB8]]
==Reference==
[[Category: Dahlberg AE]]
Recognition of ribosomal protein L11 by the protein trimethyltransferase PrmA., Demirci H, Gregory ST, Dahlberg AE, Jogl G, EMBO J. 2007 Jan 24;26(2):567-77. Epub 2007 Jan 11. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/17215866 17215866]
[[Category: Demirci H]]
[[Category: Protein complex]]
[[Category: Gregory ST]]
[[Category: Thermus thermophilus]]
[[Category: Jogl G]]
[[Category: Dahlberg, A E.]]
[[Category: Demirci, H.]]
[[Category: Gregory, S T.]]
[[Category: Jogl, G.]]
[[Category: Post-translational modification]]
[[Category: S-adenosyl-l-methionine dependent methyltransferase]]
 
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