1na0

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[[Image:1na0.png|left|200px]]
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==Design of Stable alpha-Helical Arrays from an Idealized TPR Motif==
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<StructureSection load='1na0' size='340' side='right' caption='[[1na0]], [[Resolution|resolution]] 1.60&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1na0]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Unidentified Unidentified]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1NA0 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1NA0 FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=IPT:ISOPROPYL-1-BETA-D-THIOGALACTOSIDE'>IPT</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene>, <scene name='pdbligand=PB:LEAD+(II)+ION'>PB</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1na3|1na3]]</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=1na0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1na0 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1na0 RCSB], [http://www.ebi.ac.uk/pdbsum/1na0 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/na/1na0_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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The tetratricopeptide repeat (TPR) is a 34-amino acid alpha-helical motif that occurs in over 300 different proteins. In the different proteins, three to sixteen or more TPR motifs occur in tandem arrays and function to mediate protein-protein interactions. The binding specificity of each TPR protein is different, although the underlying structural motif is the same. Here we describe a statistical approach to the design of an idealized TPR motif. We present the high-resolution X-ray crystal structures (to 1.55 and 1.6 A) of designed TPR proteins and describe their solution properties and stability. A detailed analysis of these structures provides an understanding of the TPR motif, how it is repeated to give helical arrays with different superhelical twists, and how a very stable framework may be constructed for future functional designs.
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{{STRUCTURE_1na0| PDB=1na0 | SCENE= }}
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Design of stable alpha-helical arrays from an idealized TPR motif.,Main ER, Xiong Y, Cocco MJ, D'Andrea L, Regan L Structure. 2003 May;11(5):497-508. PMID:12737816<ref>PMID:12737816</ref>
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===Design of Stable alpha-Helical Arrays from an Idealized TPR Motif===
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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>
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{{ABSTRACT_PUBMED_12737816}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[1na0]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Unidentified Unidentified]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1NA0 OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:012737816</ref><references group="xtra"/>
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[[Category: Unidentified]]
[[Category: Unidentified]]
[[Category: Andrea, L D.]]
[[Category: Andrea, L D.]]

Revision as of 13:38, 28 September 2014

Design of Stable alpha-Helical Arrays from an Idealized TPR Motif

1na0, resolution 1.60Å

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