2wxc

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[[Image:2wxc.jpg|left|200px]]
 
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==The folding mechanism of BBL: Plasticity of transition-state structure observed within an ultrafast folding protein family.==
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The line below this paragraph, containing "STRUCTURE_2wxc", creates the "Structure Box" on the page.
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<StructureSection load='2wxc' size='340' side='right'caption='[[2wxc]], [[NMR_Ensembles_of_Models | 20 NMR models]]' scene=''>
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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'>[[2wxc]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/"bacillus_coli"_migula_1895 "bacillus coli" migula 1895]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=2wav 2wav]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2WXC OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=2WXC FirstGlance]. <br>
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</td></tr><tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Dihydrolipoyllysine-residue_succinyltransferase Dihydrolipoyllysine-residue succinyltransferase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.3.1.61 2.3.1.61] </span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=2wxc FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2wxc OCA], [http://pdbe.org/2wxc PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=2wxc RCSB], [http://www.ebi.ac.uk/pdbsum/2wxc PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=2wxc ProSAT]</span></td></tr>
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{{STRUCTURE_2wxc| PDB=2wxc | SCENE= }}
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</table>
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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/wx/2wxc_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=2wxc 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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Studies on members of protein families with similar structures but divergent sequences provide insights into the effects of sequence composition on the mechanism of folding. Members of the peripheral subunit-binding domain (PSBD) family fold ultrafast and approach the smallest size for cooperatively folding proteins. Phi-Value analysis of the PSBDs E3BD and POB reveals folding via nucleation-condensation through structurally very similar, polarized transition states. Here, we present a Phi-value analysis of the family member BBL and found that it also folds by a nucleation-condensation mechanism. The mean Phi values of BBL, E3BD, and POB were near identical, indicating similar fractions of non-covalent interactions being formed in the transition state. Despite the overall conservation of folding mechanism in this protein family, however, the pattern of Phi values determined for BBL revealed a larger dispersion of the folding nucleus across the entire structure, and the transition state was less polarized. The observed plasticity of transition-state structure can be rationalized by the different helix-forming propensities of PSBD sequences. The very strong helix propensity in the first helix of BBL, relative to E3BD and POB, appears to recruit more structure formation in that helix in the transition state at the expense of weaker interactions in the second helix. Differences in sequence composition can modulate transition-state structure of even the smallest natural protein domains.
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===THE FOLDING MECHANISM OF BBL: PLASTICITY OF TRANSITION-STATE STRUCTURE OBSERVED WITHIN AN ULTRAFAST FOLDING PROTEIN FAMILY.===
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The folding mechanism of BBL: Plasticity of transition-state structure observed within an ultrafast folding protein family.,Neuweiler H, Sharpe TD, Rutherford TJ, Johnson CM, Allen MD, Ferguson N, Fersht AR J Mol Biol. 2009 Jul 31;390(5):1060-73. Epub 2009 May 13. PMID:19445954<ref>PMID:19445954</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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<div class="pdbe-citations 2wxc" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 19445954 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_19445954}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[Category: Bacillus coli migula 1895]]
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2WXC is a 1 chain structure of sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=2wav 2wav]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2WXC OCA].
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==Reference==
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<ref group="xtra">PMID:19445954</ref><references group="xtra"/>
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[[Category: Dihydrolipoyllysine-residue succinyltransferase]]
[[Category: Dihydrolipoyllysine-residue succinyltransferase]]
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[[Category: Escherichia coli]]
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[[Category: Large Structures]]
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[[Category: Allen, M D.]]
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[[Category: Allen, M D]]
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[[Category: Ferguson, N.]]
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[[Category: Ferguson, N]]
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[[Category: Fersht, A R.]]
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[[Category: Fersht, A R]]
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[[Category: Johnson, C M.]]
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[[Category: Johnson, C M]]
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[[Category: Neuweiler, H.]]
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[[Category: Neuweiler, H]]
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[[Category: Rutherford, T J.]]
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[[Category: Rutherford, T J]]
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[[Category: Sharpe, T D.]]
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[[Category: Sharpe, T D]]
[[Category: Acyltransferase]]
[[Category: Acyltransferase]]
[[Category: Lipoyl]]
[[Category: Lipoyl]]
[[Category: Transferase]]
[[Category: Transferase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Nov 18 19:16:50 2009''
 

Current revision

The folding mechanism of BBL: Plasticity of transition-state structure observed within an ultrafast folding protein family.

PDB ID 2wxc

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