1wvj

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{{Seed}}
 
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[[Image:1wvj.png|left|200px]]
 
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==Exploring the GluR2 ligand-binding core in complex with the bicyclic AMPA analogue (S)-4-AHCP==
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The line below this paragraph, containing "STRUCTURE_1wvj", creates the "Structure Box" on the page.
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<StructureSection load='1wvj' size='340' side='right'caption='[[1wvj]], [[Resolution|resolution]] 1.75&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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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'>[[1wvj]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Rattus_norvegicus Rattus norvegicus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1WVJ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1WVJ FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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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]] 1.75&#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=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=IBC:3-(3-HYDROXY-7,8-DIHYDRO-6H-CYCLOHEPTA[D]ISOXAZOL-4-YL)-L-ALANINE'>IBC</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
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{{STRUCTURE_1wvj| PDB=1wvj | 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=1wvj FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1wvj OCA], [https://pdbe.org/1wvj PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1wvj RCSB], [https://www.ebi.ac.uk/pdbsum/1wvj PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1wvj ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/GRIA2_RAT GRIA2_RAT] Receptor for glutamate that functions as ligand-gated ion channel in the central nervous system and plays an important role in excitatory synaptic transmission. L-glutamate acts as an excitatory neurotransmitter at many synapses in the central nervous system. Binding of the excitatory neurotransmitter L-glutamate induces a conformation change, leading to the opening of the cation channel, and thereby converts the chemical signal to an electrical impulse. The receptor then desensitizes rapidly and enters a transient inactive state, characterized by the presence of bound agonist. In the presence of CACNG4 or CACNG7 or CACNG8, shows resensitization which is characterized by a delayed accumulation of current flux upon continued application of glutamate.<ref>PMID:9351977</ref> <ref>PMID:19265014</ref> <ref>PMID:21172611</ref> <ref>PMID:12501192</ref> <ref>PMID:12015593</ref> <ref>PMID:12872125</ref> <ref>PMID:12730367</ref> <ref>PMID:16192394</ref> <ref>PMID:15591246</ref> <ref>PMID:17018279</ref> <ref>PMID:16483599</ref> <ref>PMID:19946266</ref> <ref>PMID:21317873</ref> <ref>PMID:21846932</ref>
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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/wv/1wvj_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.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/main_output.php?pdb_ID=1wvj 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 X-ray structure of the ionotropic GluR2 ligand-binding core (GluR2-S1S2J) in complex with the bicyclical AMPA analogue (S)-2-amino-3-(3-hydroxy-7,8-dihydro-6H-cyclohepta[d]-4-isoxazolyl)propion ic acid [(S)-4-AHCP] has been determined, as well as the binding pharmacology of this construct and of the full-length GluR2 receptor. (S)-4-AHCP binds with a glutamate-like binding mode and the ligand adopts two different conformations. The K(i) of (S)-4-AHCP at GluR2-S1S2J was determined to be 185 +/- 29 nM and at full-length GluR2(R)o it was 175 +/- 8 nM. (S)-4-AHCP appears to elicit partial agonism at GluR2 by inducing an intermediate degree of domain closure (17 degrees). Also, functionally (S)-4-AHCP has an efficacy of 0.38 at GluR2(Q)i, relative to (S)-glutamate. The proximity of bound (S)-4-AHCP to domain D2 prevents full D1-D2 domain closure, which is limited by steric repulsion, especially between Leu704 and the ligand.
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===Exploring the GluR2 ligand-binding core in complex with the bicyclic AMPA analogue (S)-4-AHCP===
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Exploring the GluR2 ligand-binding core in complex with the bicyclical AMPA analogue (S)-4-AHCP.,Nielsen BB, Pickering DS, Greenwood JR, Brehm L, Gajhede M, Schousboe A, Kastrup JS FEBS J. 2005 Apr;272(7):1639-48. PMID:15794751<ref>PMID:15794751</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 1wvj" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_15794751}}, adds the Publication Abstract to the page
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*[[Glutamate receptor 3D structures|Glutamate receptor 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 15794751 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_15794751}}
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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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1WVJ is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Rattus_norvegicus Rattus norvegicus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1WVJ OCA].
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==Reference==
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Exploring the GluR2 ligand-binding core in complex with the bicyclical AMPA analogue (S)-4-AHCP., Nielsen BB, Pickering DS, Greenwood JR, Brehm L, Gajhede M, Schousboe A, Kastrup JS, FEBS J. 2005 Apr;272(7):1639-48. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/15794751 15794751]
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Structural basis for AMPA receptor activation and ligand selectivity: crystal structures of five agonist complexes with the GluR2 ligand-binding core., Hogner A, Kastrup JS, Jin R, Liljefors T, Mayer ML, Egebjerg J, Larsen IK, Gouaux E, J Mol Biol. 2002 Sep 6;322(1):93-109. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/12215417 12215417]
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Mechanisms for activation and antagonism of an AMPA-sensitive glutamate receptor: crystal structures of the GluR2 ligand binding core., Armstrong N, Gouaux E, Neuron. 2000 Oct;28(1):165-81. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/11086992 11086992]
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Probing the ligand binding domain of the GluR2 receptor by proteolysis and deletion mutagenesis defines domain boundaries and yields a crystallizable construct., Chen GQ, Sun Y, Jin R, Gouaux E, Protein Sci. 1998 Dec;7(12):2623-30. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/9865957 9865957]
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[[Category: Rattus norvegicus]]
[[Category: Rattus norvegicus]]
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[[Category: Single protein]]
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[[Category: Brehm L]]
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[[Category: Brehm, L.]]
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[[Category: Gajhede M]]
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[[Category: Gajhede, M.]]
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[[Category: Greenwood JR]]
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[[Category: Greenwood, J R.]]
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[[Category: Kastrup JS]]
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[[Category: Kastrup, J S.]]
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[[Category: Nielsen BB]]
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[[Category: Nielsen, B B.]]
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[[Category: Pickering DS]]
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[[Category: Pickering, D S.]]
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[[Category: Schousboe A]]
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[[Category: Schousboe, A.]]
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[[Category: Complex with bicyclic ampa analogue]]
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[[Category: Ionotropic glutamate receptor glur2]]
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[[Category: Ligand-binding core]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Jul 27 19:00:11 2008''
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Current revision

Exploring the GluR2 ligand-binding core in complex with the bicyclic AMPA analogue (S)-4-AHCP

PDB ID 1wvj

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