147l

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{{STRUCTURE_147l| PDB=147l | SCENE= }}
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==ROLE OF BACKBONE FLEXIBILITY IN THE ACCOMMODATION OF VARIANTS THAT REPACK THE CORE OF T4 LYSOZYME==
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===ROLE OF BACKBONE FLEXIBILITY IN THE ACCOMMODATION OF VARIANTS THAT REPACK THE CORE OF T4 LYSOZYME===
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<StructureSection load='147l' size='340' side='right' caption='[[147l]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
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{{ABSTRACT_PUBMED_8259514}}
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== Structural highlights ==
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<table><tr><td colspan='2'>[[147l]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Enterobacteria_phage_t4 Enterobacteria phage t4]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=147L OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=147L FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BME:BETA-MERCAPTOETHANOL'>BME</scene>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene><br>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Lysozyme Lysozyme], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.17 3.2.1.17] </span></td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=147l FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=147l OCA], [http://www.rcsb.org/pdb/explore.do?structureId=147l RCSB], [http://www.ebi.ac.uk/pdbsum/147l PDBsum]</span></td></tr>
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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/47/147l_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/chain_selection.php?pdb_ID=2ata 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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To understand better how the packing of side chains within the core influences protein structure and stability, the crystal structures were determined for eight variants of T4 lysozyme, each of which contains three to five substitutions at adjacent interior sites. Concerted main-chain and side-chain displacements, with movements of helical segments as large as 0.8 angstrom, were observed. In contrast, the angular conformations of the mutated side chains tended to remain unchanged, with torsion angles within 20 degrees of those in the wild-type structure. These observations suggest that not only the rotation of side chains but also movements of the main chain must be considered in the evaluation of which amino acid sequences are compatible with a given protein fold.
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==Function==
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The role of backbone flexibility in the accommodation of variants that repack the core of T4 lysozyme.,Baldwin EP, Hajiseyedjavadi O, Baase WA, Matthews BW Science. 1993 Dec 10;262(5140):1715-8. PMID:8259514<ref>PMID:8259514</ref>
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[[http://www.uniprot.org/uniprot/LYS_BPT4 LYS_BPT4]] Helps to release the mature phage particles from the cell wall by breaking down the peptidoglycan.
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==About this Structure==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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[[147l]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Enterobacteria_phage_t4 Enterobacteria phage t4]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=147L OCA].
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</div>
==See Also==
==See Also==
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*[[Hen Egg-White (HEW) Lysozyme|Hen Egg-White (HEW) Lysozyme]]
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*[[Lysozyme 3D structures|Lysozyme 3D structures]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:008259514</ref><references group="xtra"/><references/>
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__TOC__
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</StructureSection>
[[Category: Enterobacteria phage t4]]
[[Category: Enterobacteria phage t4]]
[[Category: Lysozyme]]
[[Category: Lysozyme]]
[[Category: Baldwin, E.]]
[[Category: Baldwin, E.]]
[[Category: Matthews, B W.]]
[[Category: Matthews, B W.]]

Revision as of 13:56, 29 September 2014

ROLE OF BACKBONE FLEXIBILITY IN THE ACCOMMODATION OF VARIANTS THAT REPACK THE CORE OF T4 LYSOZYME

147l, resolution 2.00Å

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