2wit

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[[Image:2wit.png|left|200px]]
 
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{{STRUCTURE_2wit| PDB=2wit | SCENE= }}
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==CRYSTAL STRUCTURE OF THE SODIUM-COUPLED GLYCINE BETAINE SYMPORTER BETP FROM CORYNEBACTERIUM GLUTAMICUM WITH BOUND SUBSTRATE==
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<StructureSection load='2wit' size='340' side='right'caption='[[2wit]], [[Resolution|resolution]] 3.35&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2wit]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Corynebacterium_glutamicum Corynebacterium glutamicum]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=2w8a 2w8a]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2WIT OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2WIT 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]] 3.35&#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=BET:TRIMETHYL+GLYCINE'>BET</scene>, <scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></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=2wit FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2wit OCA], [https://pdbe.org/2wit PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2wit RCSB], [https://www.ebi.ac.uk/pdbsum/2wit PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2wit ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/BETP_CORGL BETP_CORGL] High-affinity uptake of glycine betaine (By similarity).
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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/wi/2wit_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.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=2wit 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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Osmoregulated transporters sense intracellular osmotic pressure and respond to hyperosmotic stress by accumulation of osmolytes to restore normal hydration levels. Here we report the determination of the X-ray structure of a member of the family of betaine/choline/carnitine transporters, the Na(+)-coupled symporter BetP from Corynebacterium glutamicum, which is a highly effective osmoregulated uptake system for glycine betaine. Glycine betaine is bound in a tryptophan box occluded from both sides of the membrane with aromatic side chains lining the transport pathway. BetP has the same overall fold as three unrelated Na(+)-coupled symporters. Whereas these are crystallized in either the outward-facing or the inward-facing conformation, the BetP structure reveals a unique intermediate conformation in the Na(+)-coupled transport cycle. The trimeric architecture of BetP and the break in three-fold symmetry by the osmosensing C-terminal helices suggest a regulatory mechanism of Na(+)-coupled osmolyte transport to counteract osmotic stress.
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===CRYSTAL STRUCTURE OF THE SODIUM-COUPLED GLYCINE BETAINE SYMPORTER BETP FROM CORYNEBACTERIUM GLUTAMICUM WITH BOUND SUBSTRATE===
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Molecular basis of transport and regulation in the Na(+)/betaine symporter BetP.,Ressl S, Terwisscha van Scheltinga AC, Vonrhein C, Ott V, Ziegler C Nature. 2009 Mar 5;458(7234):47-52. PMID:19262666<ref>PMID:19262666</ref>
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{{ABSTRACT_PUBMED_19262666}}
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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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==About this Structure==
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<div class="pdbe-citations 2wit" style="background-color:#fffaf0;"></div>
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[[2wit]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Corynebacterium_glutamicum Corynebacterium glutamicum]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=2w8a 2w8a]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2WIT OCA].
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== References ==
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<references/>
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==Reference==
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__TOC__
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<ref group="xtra">PMID:019262666</ref><references group="xtra"/>
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</StructureSection>
[[Category: Corynebacterium glutamicum]]
[[Category: Corynebacterium glutamicum]]
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[[Category: Ott, V.]]
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[[Category: Large Structures]]
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[[Category: Ressl, S.]]
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[[Category: Ott V]]
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[[Category: Scheltinga, A C.Terwisscha Van.]]
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[[Category: Ressl S]]
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[[Category: Vonrhein, C.]]
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[[Category: Terwisscha Van Scheltinga AC]]
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[[Category: Ziegler, C.]]
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[[Category: Vonrhein C]]
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[[Category: Betaine transport]]
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[[Category: Ziegler C]]
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[[Category: Cell membrane]]
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[[Category: Chemosensor and osmosensor]]
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[[Category: Hyperosmotic stress]]
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[[Category: Membrane]]
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[[Category: Membrane protein]]
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[[Category: Secondary transporter]]
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[[Category: Sodium coupled transport]]
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[[Category: Transmembrane]]
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[[Category: Transport]]
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[[Category: Trimer]]
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Current revision

CRYSTAL STRUCTURE OF THE SODIUM-COUPLED GLYCINE BETAINE SYMPORTER BETP FROM CORYNEBACTERIUM GLUTAMICUM WITH BOUND SUBSTRATE

PDB ID 2wit

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