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5ul9

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==Structure and function of the divalent anion/Na+ symporter from Vibrio cholerae and a humanized variant==
==Structure and function of the divalent anion/Na+ symporter from Vibrio cholerae and a humanized variant==
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<StructureSection load='5ul9' size='340' side='right' caption='[[5ul9]], [[Resolution|resolution]] 2.78&Aring;' scene=''>
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<StructureSection load='5ul9' size='340' side='right'caption='[[5ul9]], [[Resolution|resolution]] 2.78&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[5ul9]] is a 4 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5UL9 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5UL9 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[5ul9]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Vibrio_cholerae_O1_biovar_El_Tor_str._N16961 Vibrio cholerae O1 biovar El Tor str. N16961]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5UL9 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5UL9 FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CIT:CITRIC+ACID'>CIT</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]] 2.78&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[5ul7|5ul7]], [[5uld|5uld]], [[5ule|5ule]]</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=CIT:CITRIC+ACID'>CIT</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene></td></tr>
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<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=5ul9 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5ul9 OCA], [http://pdbe.org/5ul9 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5ul9 RCSB], [http://www.ebi.ac.uk/pdbsum/5ul9 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5ul9 ProSAT]</span></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=5ul9 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5ul9 OCA], [https://pdbe.org/5ul9 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5ul9 RCSB], [https://www.ebi.ac.uk/pdbsum/5ul9 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5ul9 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/Q9KNE0_VIBCH Q9KNE0_VIBCH]
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Integral membrane proteins of the divalent anion/Na+ symporter (DASS) family translocate dicarboxylate, tricarboxylate or sulphate across cell membranes, typically by utilizing the preexisting Na+ gradient. The molecular determinants for substrate recognition by DASS remain obscure, largely owing to the absence of any substrate-bound DASS structure. Here we present 2.8-A resolution X-ray structures of VcINDY, a DASS from Vibrio cholerae that catalyses the co-transport of Na+ and succinate. These structures portray the Na+-bound VcINDY in complexes with succinate and citrate, elucidating the binding sites for substrate and two Na+ ions. Furthermore, we report the structures of a humanized variant of VcINDY in complexes with succinate and citrate, which predict how a human citrate-transporting DASS may interact with its bound substrate. Our findings provide insights into metabolite transport by DASS, establishing a molecular basis for future studies on the regulation of this transport process.
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Structure and function of the divalent anion/Na+ symporter from Vibrio cholerae and a humanized variant.,Nie R, Stark S, Symersky J, Kaplan RS, Lu M Nat Commun. 2017 Apr 24;8:15009. doi: 10.1038/ncomms15009. PMID:28436435<ref>PMID:28436435</ref>
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==See Also==
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*[[Symporter 3D structures|Symporter 3D structures]]
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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 5ul9" style="background-color:#fffaf0;"></div>
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== References ==
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<references/>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Lu, M]]
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[[Category: Large Structures]]
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[[Category: Transport protein]]
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[[Category: Vibrio cholerae O1 biovar El Tor str. N16961]]
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[[Category: Lu M]]

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Structure and function of the divalent anion/Na+ symporter from Vibrio cholerae and a humanized variant

PDB ID 5ul9

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