3ri5

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[[Image:3ri5.jpg|left|200px]]
 
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==C. elegans glutamate-gated chloride channel (GluCl) in complex with Fab, ivermectin and picrotoxin==
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The line below this paragraph, containing "STRUCTURE_3ri5", creates the "Structure Box" on the page.
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<StructureSection load='3ri5' size='340' side='right'caption='[[3ri5]], [[Resolution|resolution]] 3.40&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'>[[3ri5]] is a 15 chain structure with sequence from [https://en.wikipedia.org/wiki/Caenorhabditis_elegans Caenorhabditis elegans] and [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3RI5 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3RI5 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]] 3.4&#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=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=IVM:(2AE,4E,5S,6S,6R,7S,8E,11R,13R,15S,17AR,20R,20AR,20BS)-6-[(2S)-BUTAN-2-YL]-20,20B-DIHYDROXY-5,6,8,19-TETRAMETHYL-17-OXO-3,4,5,6,6,10,11,14,15,17,17A,20,20A,20B-TETRADECAHYDRO-2H,7H-SPIRO[11,15-METHANOFURO[4,3,2-PQ][2,6]BENZODIOXACYCLOOCTADECINE-13,2-PYRAN]-7-YL+2,6-DIDEOXY-4-O-(2,6-DIDEOXY-3-O-METHYL-ALPHA-L-ARABINO-HEXOPYRANOSYL)-3-O-METHYL-ALPHA-L-ARABINO-HEXOPYRANOSIDE'>IVM</scene>, <scene name='pdbligand=LMT:DODECYL-BETA-D-MALTOSIDE'>LMT</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=OCT:N-OCTANE'>OCT</scene>, <scene name='pdbligand=RI5:(1AR,2AR,3S,6R,6AS,8AS,8BR,9R)-2A-HYDROXY-8B-METHYL-9-(PROP-1-EN-2-YL)HEXAHYDRO-3,6-METHANO-1,5,7-TRIOXACYCLOPENTA[IJ]CYCLOPROPA[A]AZULENE-4,8(3H)-DIONE'>RI5</scene>, <scene name='pdbligand=UND:UNDECANE'>UND</scene></td></tr>
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{{STRUCTURE_3ri5| PDB=3ri5 | 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=3ri5 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3ri5 OCA], [https://pdbe.org/3ri5 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3ri5 RCSB], [https://www.ebi.ac.uk/pdbsum/3ri5 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3ri5 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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Fast inhibitory neurotransmission is essential for nervous system function and is mediated by binding of inhibitory neurotransmitters to receptors of the Cys-loop family embedded in the membranes of neurons. Neurotransmitter binding triggers a conformational change in the receptor, opening an intrinsic chloride channel and thereby dampening neuronal excitability. Here we present the first three-dimensional structure, to our knowledge, of an inhibitory anion-selective Cys-loop receptor, the homopentameric Caenorhabditis elegans glutamate-gated chloride channel alpha (GluCl), at 3.3 A resolution. The X-ray structure of the GluCl-Fab complex was determined with the allosteric agonist ivermectin and in additional structures with the endogenous neurotransmitter l-glutamate and the open-channel blocker picrotoxin. Ivermectin, used to treat river blindness, binds in the transmembrane domain of the receptor and stabilizes an open-pore conformation. Glutamate binds in the classical agonist site at subunit interfaces, and picrotoxin directly occludes the pore near its cytosolic base. GluCl provides a framework for understanding mechanisms of fast inhibitory neurotransmission and allosteric modulation of Cys-loop receptors.
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===C. elegans glutamate-gated chloride channel (GluCl) in complex with Fab, ivermectin and picrotoxin===
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Principles of activation and permeation in an anion-selective Cys-loop receptor.,Hibbs RE, Gouaux E Nature. 2011 May 15. PMID:21572436<ref>PMID:21572436</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 3ri5" style="background-color:#fffaf0;"></div>
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==See Also==
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*[[Art:Opening a Gate to Human Health|Art:Opening a Gate to Human Health]]
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(as it appears on PubMed at http://www.pubmed.gov), where 21572436 is the PubMed ID number.
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*[[Monoclonal Antibodies 3D structures|Monoclonal Antibodies 3D structures]]
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== References ==
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{{ABSTRACT_PUBMED_21572436}}
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<references/>
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__TOC__
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==About this Structure==
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</StructureSection>
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[[3ri5]] is a 15 chain structure with sequence from [http://en.wikipedia.org/wiki/Caenorhabditis_elegans Caenorhabditis elegans] and [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3RI5 OCA].
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==Reference==
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<ref group="xtra">PMID:021572436</ref><references group="xtra"/>
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[[Category: Caenorhabditis elegans]]
[[Category: Caenorhabditis elegans]]
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[[Category: Large Structures]]
[[Category: Mus musculus]]
[[Category: Mus musculus]]
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[[Category: Gouaux, E.]]
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[[Category: Gouaux E]]
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[[Category: Hibbs, R E.]]
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[[Category: Hibbs RE]]

Current revision

C. elegans glutamate-gated chloride channel (GluCl) in complex with Fab, ivermectin and picrotoxin

PDB ID 3ri5

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