1iz0

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{{Seed}}
 
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[[Image:1iz0.png|left|200px]]
 
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==Crystal Structures of the Quinone Oxidoreductase from Thermus thermophilus HB8 and Its Complex with NADPH==
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The line below this paragraph, containing "STRUCTURE_1iz0", creates the "Structure Box" on the page.
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<StructureSection load='1iz0' size='340' side='right'caption='[[1iz0]], [[Resolution|resolution]] 2.30&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'>[[1iz0]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Thermus_thermophilus Thermus thermophilus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1IZ0 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1IZ0 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">X-ray diffraction, [[Resolution|Resolution]] 2.3&#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=MSE:SELENOMETHIONINE'>MSE</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
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{{STRUCTURE_1iz0| PDB=1iz0 | 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=1iz0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1iz0 OCA], [https://pdbe.org/1iz0 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1iz0 RCSB], [https://www.ebi.ac.uk/pdbsum/1iz0 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1iz0 ProSAT], [https://www.topsan.org/Proteins/RSGI/1iz0 TOPSAN]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/Q8L3C8_THETH Q8L3C8_THETH]
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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/iz/1iz0_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=1iz0 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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The crystal structures of the zeta-crystalline-like soluble quinone oxidoreductase from Thermus thermophilus HB8 (QOR(Tt)) and of its complex with NADPH have been determined at 2.3- and 2.8-A resolutions, respectively. QOR(Tt) is composed of two domains, and its overall fold is similar to the folds of Escherichia coli quinone oxidoreductase (QOR(Ec)) and horse liver alcohol dehydrogenase. QOR(Tt) forms a homodimer in the crystal by interaction of the betaF-strands in domain II, forming a large beta-sheet that crosses the dimer interface. High thermostability of QOR(Tt) was evidenced by circular dichroic measurement. NADPH is located between the two domains in the QOR(Tt)-NADPH complex. The disordered segment involved in the coenzyme binding of apo-QOR(Tt) becomes ordered upon NADPH binding. The segment covers an NADPH-binding cleft and may serve as a lid. The 2'-phosphate group of the adenine of NADPH is surrounded by polar and positively charged residues in QOR(Tt), suggesting that QOR(Tt) binds NADPH more readily than NADH. The putative substrate-binding site of QOR(Tt), unlike that of QOR(Ec), is largely blocked by nearby residues, permitting access only to small substrates. This may explain why QOR(Tt) has weak p-benzoquinone reduction activity and is inactive with such large substrates of QOR(Ec) as 5-hydroxy-1,4-naphthoquinone and phenanthraquinone.
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===Crystal Structures of the Quinone Oxidoreductase from Thermus thermophilus HB8 and Its Complex with NADPH===
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Crystal structures of the quinone oxidoreductase from Thermus thermophilus HB8 and its complex with NADPH: implication for NADPH and substrate recognition.,Shimomura Y, Kakuta Y, Fukuyama K J Bacteriol. 2003 Jul;185(14):4211-8. PMID:12837796<ref>PMID:12837796</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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The line below this paragraph, {{ABSTRACT_PUBMED_12837796}}, adds the Publication Abstract to the page
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<div class="pdbe-citations 1iz0" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 12837796 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_12837796}}
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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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1IZ0 is a 1 chain structure of sequence from [http://en.wikipedia.org/wiki/Thermus_thermophilus Thermus thermophilus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1IZ0 OCA].
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==Reference==
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<ref group="xtra">PMID:12837796</ref><references group="xtra"/>
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[[Category: NADPH:quinone reductase]]
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[[Category: Thermus thermophilus]]
[[Category: Thermus thermophilus]]
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[[Category: Fukuyama, K.]]
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[[Category: Fukuyama K]]
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[[Category: Kakuta, Y.]]
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[[Category: Kakuta Y]]
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[[Category: RSGI, RIKEN Structural Genomics/Proteomics Initiative.]]
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[[Category: Shimomura Y]]
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[[Category: Shimomura, Y.]]
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[[Category: Apo-enzyme]]
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[[Category: Riken structural genomics/proteomics initiative]]
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[[Category: Rsgi]]
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[[Category: Structural genomic]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Feb 16 12:50:23 2009''
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Current revision

Crystal Structures of the Quinone Oxidoreductase from Thermus thermophilus HB8 and Its Complex with NADPH

PDB ID 1iz0

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