4h8i

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<StructureSection load='4h8i' size='340' side='right' caption='[[4h8i]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
<StructureSection load='4h8i' size='340' side='right' caption='[[4h8i]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[4h8i]] is a 2 chain structure with 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=4H8I OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4H8I FirstGlance]. <br>
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<table><tr><td colspan='2'>[[4h8i]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Buffalo_rat Buffalo rat]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4H8I OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4H8I FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=11W:(4R)-4-[(2E)-3-{4-[(E)-PHENYLDIAZENYL]PHENYL}PROP-2-EN-1-YL]-L-GLUTAMIC+ACID'>11W</scene>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=MES:2-(N-MORPHOLINO)-ETHANESULFONIC+ACID'>MES</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=11W:(4R)-4-[(2E)-3-{4-[(E)-PHENYLDIAZENYL]PHENYL}PROP-2-EN-1-YL]-L-GLUTAMIC+ACID'>11W</scene>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=MES:2-(N-MORPHOLINO)-ETHANESULFONIC+ACID'>MES</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4h8j|4h8j]]</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4h8j|4h8j]]</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">Glur6, Grik2 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10116 Rattus norvegicus])</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">Glur6, Grik2 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10116 Buffalo rat])</td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4h8i FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4h8i OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4h8i RCSB], [http://www.ebi.ac.uk/pdbsum/4h8i PDBsum]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4h8i FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4h8i OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4h8i RCSB], [http://www.ebi.ac.uk/pdbsum/4h8i PDBsum]</span></td></tr>
</table>
</table>
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== Function ==
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[[http://www.uniprot.org/uniprot/GRIK2_RAT GRIK2_RAT]] Ionotropic glutamate receptor. 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. May be involved in the transmission of light information from the retina to the hypothalamus. Modulates cell surface expression of NETO2 (By similarity).<ref>PMID:17486098</ref> <ref>PMID:17115050</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Incorporation of the azobenzene derivative gluazo, a synthetic photochromic ligand, into a kainate receptor allows for the optical control of neuronal activity. The crystal structure of gluazo bound to a dimeric GluK2 ligand-binding domain reveals one monomer in a closed conformation, occupied by gluazo, and the other in an open conformation, with a bound buffer molecule. The glutamate group of gluazo interacts like the natural glutamate ligand, while its trans-azobenzene moiety protrudes into a tunnel. This elongated cavity presumably cannot accommodate a cis-azobenzene, which explains the reversible activation of the receptor upon photoisomerization.
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A photoswitchable neurotransmitter analogue bound to its receptor.,Reiter A, Skerra A, Trauner D, Schiefner A Biochemistry. 2013 Dec 17;52(50):8972-4. doi: 10.1021/bi4014402. Epub 2013 Dec 6. PMID:24295282<ref>PMID:24295282</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>
==See Also==
==See Also==
*[[Ionotropic Glutamate Receptors|Ionotropic Glutamate Receptors]]
*[[Ionotropic Glutamate Receptors|Ionotropic Glutamate Receptors]]
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== References ==
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<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Rattus norvegicus]]
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[[Category: Buffalo rat]]
[[Category: Reiter, A]]
[[Category: Reiter, A]]
[[Category: Schiefner, A]]
[[Category: Schiefner, A]]

Revision as of 11:01, 24 December 2014

Structure of GluK2-LBD in complex with GluAzo

4h8i, resolution 2.00Å

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