3v8f

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Current revision (10:33, 1 March 2024) (edit) (undo)
 
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<StructureSection load='3v8f' size='340' side='right'caption='[[3v8f]], [[Resolution|resolution]] 3.80&Aring;' scene=''>
<StructureSection load='3v8f' size='340' side='right'caption='[[3v8f]], [[Resolution|resolution]] 3.80&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[3v8f]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Pyrococcus_horikoshii Pyrococcus horikoshii]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3V8F OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3V8F FirstGlance]. <br>
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<table><tr><td colspan='2'>[[3v8f]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Pyrococcus_horikoshii_OT3 Pyrococcus horikoshii OT3]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3V8F OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3V8F FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ASP:ASPARTIC+ACID'>ASP</scene>, <scene name='pdbligand=HG:MERCURY+(II)+ION'>HG</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene></td></tr>
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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]] 3.8&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[2nwl|2nwl]], [[2nww|2nww]], [[2nwx|2nwx]], [[1xfh|1xfh]], [[3kbc|3kbc]], [[3v8g|3v8g]]</div></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=ASP:ASPARTIC+ACID'>ASP</scene>, <scene name='pdbligand=HG:MERCURY+(II)+ION'>HG</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">PH1295 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=70601 Pyrococcus horikoshii])</td></tr>
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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=3v8f FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3v8f OCA], [https://pdbe.org/3v8f PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3v8f RCSB], [https://www.ebi.ac.uk/pdbsum/3v8f PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3v8f ProSAT]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3v8f FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3v8f OCA], [https://pdbe.org/3v8f PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3v8f RCSB], [https://www.ebi.ac.uk/pdbsum/3v8f PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3v8f ProSAT]</span></td></tr>
</table>
</table>
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<div style="background-color:#fffaf0;">
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== Function ==
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== Publication Abstract from PubMed ==
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[https://www.uniprot.org/uniprot/GLT_PYRHO GLT_PYRHO] Sodium-dependent, high-affinity amino acid transporter that mediates aspartate uptake (PubMed:17435767, PubMed:19380583, PubMed:17230192, Ref.11). Has only very low glutamate transport activity (PubMed:19380583, PubMed:17230192). Functions as a symporter that transports one amino acid molecule together with two or three Na(+) ions, resulting in electrogenic transport (PubMed:17435767, PubMed:19380583, Ref.11). Na(+) binding enhances the affinity for aspartate (PubMed:19380583, Ref.11). Mediates Cl(-) flux that is not coupled to amino acid transport; this avoids the accumulation of negative charges due to aspartate and Na(+) symport (PubMed:17435767). In contrast to mammalian homologs, transport does not depend on pH or K(+) ions (PubMed:19380583).<ref>PMID:17230192</ref> <ref>PMID:17435767</ref> <ref>PMID:19380583</ref> [PDB:4P19]
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We report a structure of a trimeric glutamate transporter homolog from Pyrococcus horikoshii with two protomers in an inward facing state and the third in an intermediate conformation between the outward and inward facing states. The intermediate shows a cavity in the thinnest region of the transporter, which is potentially accessible to extracellular and cytoplasmic solutions. Our findings suggest a structural principle by which transport intermediates may mediate uncoupled permeation of polar solutes.
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Crystal structure of an asymmetric trimer of a bacterial glutamate transporter homolog.,Verdon G, Boudker O Nat Struct Mol Biol. 2012 Feb 12;19(3):355-7. doi: 10.1038/nsmb.2233. PMID:22343718<ref>PMID:22343718</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 3v8f" style="background-color:#fffaf0;"></div>
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==See Also==
==See Also==
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</StructureSection>
</StructureSection>
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Pyrococcus horikoshii]]
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[[Category: Pyrococcus horikoshii OT3]]
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[[Category: Boudker, O]]
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[[Category: Boudker O]]
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[[Category: Verdon, G]]
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[[Category: Verdon G]]
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[[Category: L-arpartate]]
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[[Category: Membrane]]
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[[Category: Sodium ion]]
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[[Category: Transport protein]]
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Current revision

Crystal structure of crosslinked GltPh V216C-M385C mutant

PDB ID 3v8f

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