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3lfo

From Proteopedia

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{{Seed}}
 
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[[Image:3lfo.jpg|left|200px]]
 
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==Crystal structure of T. celer L30e E90A/R92A variant==
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The line below this paragraph, containing "STRUCTURE_3lfo", creates the "Structure Box" on the page.
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<StructureSection load='3lfo' size='340' side='right'caption='[[3lfo]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[3lfo]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Thermococcus_celer Thermococcus celer]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3LFO OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3LFO FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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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]] 1.8&#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=3lfo FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3lfo OCA], [https://pdbe.org/3lfo PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3lfo RCSB], [https://www.ebi.ac.uk/pdbsum/3lfo PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3lfo ProSAT]</span></td></tr>
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{{STRUCTURE_3lfo| PDB=3lfo | SCENE= }}
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/RL30E_THECE RL30E_THECE]
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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/lf/3lfo_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=3lfo 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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Most thermophilic proteins tend to have more salt bridges, and achieve higher thermostability by up-shifting and broadening their protein stability curves. While the stabilizing effect of salt-bridge has been extensively studied, experimental data on how salt-bridge influences protein stability curves are scarce. Here, we used double mutant cycles to determine the temperature-dependency of the pair-wise interaction energy and the contribution of salt-bridges to DeltaC(p) in a thermophilic ribosomal protein L30e. Our results showed that the pair-wise interaction energies for the salt-bridges E6/R92 and E62/K46 were stabilizing and insensitive to temperature changes from 298 to 348 K. On the other hand, the pair-wise interaction energies between the control long-range ion-pair of E90/R92 were negligible. The DeltaC(p) of all single and double mutants were determined by Gibbs-Helmholtz and Kirchhoff analyses. We showed that the two stabilizing salt-bridges contributed to a reduction of DeltaC(p) by 0.8-1.0 kJ mol(1) K(1). Taken together, our results suggest that the extra salt-bridges found in thermophilic proteins enhance the thermostability of proteins by reducing DeltaC(p), leading to the up-shifting and broadening of the protein stability curves.
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===Crystal structure of T. celer L30e E90A/R92A variant===
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Stabilizing salt-bridge enhances protein thermostability by reducing the heat capacity change of unfolding.,Chan CH, Yu TH, Wong KB PLoS One. 2011;6(6):e21624. Epub 2011 Jun 24. PMID:21720566<ref>PMID:21720566</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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==About this Structure==
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</div>
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3LFO is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Thermococcus_celer Thermococcus celer]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3LFO OCA].
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<div class="pdbe-citations 3lfo" style="background-color:#fffaf0;"></div>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Thermococcus celer]]
[[Category: Thermococcus celer]]
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[[Category: Chan, C H.]]
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[[Category: Chan CH]]
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[[Category: Wong, K B.]]
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[[Category: Wong KB]]
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[[Category: Globular protein]]
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[[Category: L30e]]
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[[Category: Ribosomal protein]]
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[[Category: Thermophilic]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Apr 14 09:52:07 2010''
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Current revision

Crystal structure of T. celer L30e E90A/R92A variant

PDB ID 3lfo

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