3sq6

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[[Image:3sq6.jpg|left|200px]]
 
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==Crystal Structures of the Ligand Binding Domain of a Pentameric Alpha7 Nicotinic Receptor Chimera with its Agonist Epibatidine==
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The line below this paragraph, containing "STRUCTURE_3sq6", creates the "Structure Box" on the page.
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<StructureSection load='3sq6' size='340' side='right'caption='[[3sq6]], [[Resolution|resolution]] 2.80&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'>[[3sq6]] is a 10 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Lymnaea_stagnalis Lymnaea stagnalis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3SQ6 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3SQ6 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]] 2.8&#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=EPJ:EPIBATIDINE'>EPJ</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene></td></tr>
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{{STRUCTURE_3sq6| PDB=3sq6 | 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=3sq6 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3sq6 OCA], [https://pdbe.org/3sq6 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3sq6 RCSB], [https://www.ebi.ac.uk/pdbsum/3sq6 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3sq6 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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The alpha(7) acetylcholine receptor (AChR) mediates pre- and postsynaptic neurotransmission in the central nervous system and is a potential therapeutic target in neurodegenerative, neuropsychiatric and inflammatory disorders. We determined the crystal structure of the extracellular domain of a receptor chimera constructed from the human alpha(7) AChR and Lymnaea stagnalis acetylcholine binding protein (AChBP), which shares 64% sequence identity and 71% similarity with native alpha(7). We also determined the structure with bound epibatidine, a potent AChR agonist. Comparison of the structures revealed molecular rearrangements and interactions that mediate agonist recognition and early steps in signal transduction in alpha(7) AChRs. The structures further revealed a ring of negative charge within the central vestibule, poised to contribute to cation selectivity. Structure-guided mutational studies disclosed distinctive contributions to agonist recognition and signal transduction in alpha(7) AChRs. The structures provide a realistic template for structure-aided drug design and for defining structure-function relationships of alpha(7) AChRs.
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===Crystal Structures of the Ligand Binding Domain of a Pentameric Alpha7 Nicotinic Receptor Chimera with its Agonist Epibatidine===
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Ligand-binding domain of an alpha7-nicotinic receptor chimera and its complex with agonist.,Li SX, Huang S, Bren N, Noridomi K, Dellisanti CD, Sine SM, Chen L Nat Neurosci. 2011 Sep 11;14(10):1253-9. doi: 10.1038/nn.2908. PMID:21909087<ref>PMID:21909087</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>
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<div class="pdbe-citations 3sq6" style="background-color:#fffaf0;"></div>
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==About this Structure==
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==See Also==
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[[3sq6]] is a 10 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens,_lymnaea_stagnalis Homo sapiens, lymnaea stagnalis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3SQ6 OCA].
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*[[Acetylcholine binding protein 3D structures|Acetylcholine binding protein 3D structures]]
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[[Category: Homo sapiens, lymnaea stagnalis]]
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== References ==
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[[Category: Bren, N.]]
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<references/>
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[[Category: Chen, L.]]
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__TOC__
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[[Category: Dellisanti, C.]]
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</StructureSection>
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[[Category: Huang, S.]]
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[[Category: Homo sapiens]]
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[[Category: Li, S X.]]
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[[Category: Large Structures]]
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[[Category: Noridomi, K.]]
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[[Category: Lymnaea stagnalis]]
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[[Category: Sine, S.]]
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[[Category: Bren N]]
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[[Category: Nicotinic receptor]]
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[[Category: Chen L]]
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[[Category: Transport protein-receptor-agonist complex]]
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[[Category: Dellisanti C]]
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[[Category: Huang S]]
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[[Category: Li S-X]]
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[[Category: Noridomi K]]
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[[Category: Sine S]]

Current revision

Crystal Structures of the Ligand Binding Domain of a Pentameric Alpha7 Nicotinic Receptor Chimera with its Agonist Epibatidine

PDB ID 3sq6

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