4dcq

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[[Image:4dcq.jpg|left|200px]]
 
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==Crystal Structure of the Fab Fragment of 3B5H10, an Antibody-Specific for Extended Polyglutamine Repeats (orthorhombic form)==
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The line below this paragraph, containing "STRUCTURE_4dcq", creates the "Structure Box" on the page.
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<StructureSection load='4dcq' size='340' side='right'caption='[[4dcq]], [[Resolution|resolution]] 1.94&Aring;' 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'>[[4dcq]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4DCQ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4DCQ 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]] 1.94&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene></td></tr>
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{{STRUCTURE_4dcq| PDB=4dcq | SCENE= }}
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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=4dcq FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4dcq OCA], [https://pdbe.org/4dcq PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4dcq RCSB], [https://www.ebi.ac.uk/pdbsum/4dcq PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4dcq ProSAT]</span></td></tr>
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</table>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Abnormal polyglutamine (polyQ) tracts are the only common feature in nine proteins that each cause a dominant neurodegenerative disorder. In Huntington's disease, tracts longer than 36 glutamines in the protein huntingtin (htt) cause degeneration. In situ, monoclonal antibody 3B5H10 binds to different htt fragments in neurons in proportion to their toxicity. Here, we determined the structure of 3B5H10 Fab to 1.9 A resolution by X-ray crystallography. Modeling demonstrates that the paratope forms a groove suitable for binding two beta-rich polyQ strands. Using small-angle X-ray scattering, we confirmed that the polyQ epitope recognized by 3B5H10 is a compact two-stranded hairpin within monomeric htt and is abundant in htt fragments unbound to antibody. Thus, disease-associated polyQ stretches preferentially adopt compact conformations. Since 3B5H10 binding predicts degeneration, this compact polyQ structure may be neurotoxic.
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===Crystal Structure of the Fab Fragment of 3B5H10, an Antibody-Specific for Extended Polyglutamine Repeats (orthorhombic form)===
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Disease-Associated Polyglutamine Stretches in Monomeric Huntingtin Adopt a Compact Structure.,Peters-Libeu C, Miller J, Rutenber E, Newhouse Y, Krishnan P, Cheung K, Hatters D, Brooks E, Widjaja K, Tran T, Mitra S, Arrasate M, Mosquera LA, Taylor D, Weisgraber KH, Finkbeiner S J Mol Biol. 2012 Jan 28. PMID:22306738<ref>PMID:22306738</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 4dcq" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 22306738 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_22306738}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[Category: Large Structures]]
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[[4dcq]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4DCQ OCA].
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==Reference==
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<ref group="xtra">PMID:022306738</ref><references group="xtra"/>
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[[Category: Mus musculus]]
[[Category: Mus musculus]]
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[[Category: Finkbeiner, S.]]
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[[Category: Finkbeiner S]]
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[[Category: Peters-Libeu, C A.]]
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[[Category: Peters-Libeu CA]]
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[[Category: Tran, T.]]
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[[Category: Tran T]]
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[[Category: Weisgraber, K.]]
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[[Category: Weisgraber K]]
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[[Category: Anti-polyglutamine]]
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[[Category: Fab fragment]]
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[[Category: Immune system]]
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[[Category: Immunoglobulin domain]]
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[[Category: Polyglutamine repeat]]
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Current revision

Crystal Structure of the Fab Fragment of 3B5H10, an Antibody-Specific for Extended Polyglutamine Repeats (orthorhombic form)

PDB ID 4dcq

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