1okd

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(New page: 200px <!-- The line below this paragraph, containing "STRUCTURE_1okd", creates the "Structure Box" on the page. You may change the PDB parameter (which sets the PD...)
Current revision (04:47, 17 October 2024) (edit) (undo)
 
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[[Image:1okd.png|left|200px]]
 
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==NMR-structure of tryparedoxin 1==
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The line below this paragraph, containing "STRUCTURE_1okd", creates the "Structure Box" on the page.
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<StructureSection load='1okd' size='340' side='right'caption='[[1okd]]' 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'>[[1okd]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Crithidia_fasciculata Crithidia fasciculata]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1OKD OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1OKD FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR, 20 models</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=1okd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1okd OCA], [https://pdbe.org/1okd PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1okd RCSB], [https://www.ebi.ac.uk/pdbsum/1okd PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1okd ProSAT]</span></td></tr>
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{{STRUCTURE_1okd| PDB=1okd | SCENE= }}
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/O96438_CRIFA O96438_CRIFA]
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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/ok/1okd_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.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=1okd 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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Tryparedoxins (TXNs) are trypanothione-dependent peroxiredoxin oxidoreductases involved in hydroperoxide detoxification that have been shown to determine virulence in trypanosomatids. The structure of (15)N,(13)C-doubly-labeled, C-terminally-His-tagged tryparedoxin 1 from Crithidia fasciculata (Cf TXN1) was elucidated by three-dimensional NMR spectroscopy. Global folding was found to be similar to the crystal structure, but regions near the active site, especially the onset of helix alpha1 with the redox-active Cys 43 and helix alpha2 relevant to substrate binding, were less well defined in solution. The redox-inactive inhibitory substrate analogue N(1),N(8)-bis(ophthalmyl)spermidine was used to study the substrate/TXN interaction by two-dimensional (1)H,(15)N NMR spectroscopy. The NMR data complemented by molecular modeling revealed several alternative modes of ligand binding. The results confirm and extend the concept of TXN action and specificity derived from X-ray analysis and site-directed mutagenesis and thus improve the rational basis for inhibitor design.
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===NMR-STRUCTURE OF TRYPAREDOXIN 1===
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NMR studies of the interaction of tryparedoxin with redox-inactive substrate homologues.,Krumme D, Budde H, Hecht HJ, Menge U, Ohlenschlager O, Ross A, Wissing J, Wray V, Flohe L Biochemistry. 2003 Dec 23;42(50):14720-8. PMID:14674746<ref>PMID:14674746</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 1okd" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 14674746 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_14674746}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[1okd]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Crithidia_fasciculata Crithidia fasciculata]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1OKD OCA].
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==Reference==
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<ref group="xtra">PMID:014674746</ref><references group="xtra"/>
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[[Category: Crithidia fasciculata]]
[[Category: Crithidia fasciculata]]
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[[Category: Budde, H.]]
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[[Category: Large Structures]]
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[[Category: Flohe, L.]]
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[[Category: Budde H]]
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[[Category: Hecht, H J.]]
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[[Category: Flohe L]]
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[[Category: Krumme, D.]]
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[[Category: Hecht H-J]]
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[[Category: Menge, U.]]
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[[Category: Krumme D]]
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[[Category: Ohlenschlager, O.]]
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[[Category: Menge U]]
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[[Category: Ross, A.]]
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[[Category: Ohlenschlager O]]
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[[Category: Wissing, J.]]
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[[Category: Ross A]]
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[[Category: Wray, V.]]
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[[Category: Wissing J]]
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[[Category: Electron transport]]
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[[Category: Wray V]]
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[[Category: Nmr spectroscopy]]
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[[Category: Trypanosomatid]]
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[[Category: Tryparedoxin]]
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Current revision

NMR-structure of tryparedoxin 1

PDB ID 1okd

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