1kv5

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[[Image:1kv5.png|left|200px]]
 
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==Structure of Trypanosoma brucei brucei TIM with the salt-bridge-forming residue Arg191 mutated to Ser==
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The line below this paragraph, containing "STRUCTURE_1kv5", creates the "Structure Box" on the page.
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<StructureSection load='1kv5' size='340' side='right'caption='[[1kv5]], [[Resolution|resolution]] 1.65&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'>[[1kv5]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Trypanosoma_brucei_brucei Trypanosoma brucei brucei]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1KV5 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1KV5 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]] 1.65&#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=DTT:2,3-DIHYDROXY-1,4-DITHIOBUTANE'>DTT</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=PGA:2-PHOSPHOGLYCOLIC+ACID'>PGA</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
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{{STRUCTURE_1kv5| PDB=1kv5 | 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=1kv5 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1kv5 OCA], [https://pdbe.org/1kv5 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1kv5 RCSB], [https://www.ebi.ac.uk/pdbsum/1kv5 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1kv5 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/TPIS_TRYBB TPIS_TRYBB]
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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/kv/1kv5_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=1kv5 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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Triosephosphate isomerase (TIM) has a conserved salt bridge 20 A away from both the active site and the dimer interface. In this study, four salt bridge mutants of Trypanosoma brucei brucei TIM were characterized. The folding and stability of the mutants are impaired compared to the wild-type enzyme. This salt bridge is part of a hydrogen bonding network which tethers the C-terminal beta7alpha7beta8alpha8 unit to the bulk of the protein. In the variants D227N, D227A, and R191S, this network is preserved, as can be deduced from the structure of the R191S variant. In the R191A variant, the side chain at position 191 cannot contribute to this network. Also the catalytic power of this variant is most affected.
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===Structure of Trypanosoma brucei brucei TIM with the salt-bridge-forming residue Arg191 mutated to Ser===
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The importance of the conserved Arg191-Asp227 salt bridge of triosephosphate isomerase for folding, stability, and catalysis.,Kursula I, Partanen S, Lambeir AM, Wierenga RK FEBS Lett. 2002 May 8;518(1-3):39-42. PMID:11997014<ref>PMID:11997014</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 1kv5" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_11997014}}, adds the Publication Abstract to the page
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*[[Triose phosphate isomerase 3D structures|Triose phosphate isomerase 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 11997014 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_11997014}}
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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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[[1kv5]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Trypanosoma_brucei_brucei Trypanosoma brucei brucei]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1KV5 OCA].
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==Reference==
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<ref group="xtra">PMID:011997014</ref><references group="xtra"/>
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[[Category: Triose-phosphate isomerase]]
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[[Category: Trypanosoma brucei brucei]]
[[Category: Trypanosoma brucei brucei]]
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[[Category: Kursula, I.]]
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[[Category: Kursula I]]
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[[Category: Lambeir, A M.]]
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[[Category: Lambeir A-M]]
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[[Category: Partanen, S.]]
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[[Category: Partanen S]]
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[[Category: Wierenga, R K.]]
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[[Category: Wierenga RK]]
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[[Category: Isomerase]]
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[[Category: Mutant]]
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[[Category: Salt bridge]]
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[[Category: Tim barrel]]
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Current revision

Structure of Trypanosoma brucei brucei TIM with the salt-bridge-forming residue Arg191 mutated to Ser

PDB ID 1kv5

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