3a9h

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{{Seed}}
 
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[[Image:3a9h.jpg|left|200px]]
 
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==Crystal Structure of PQQ-dependent sugar dehydrogenase holo-form==
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The line below this paragraph, containing "STRUCTURE_3a9h", creates the "Structure Box" on the page.
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<StructureSection load='3a9h' size='340' side='right'caption='[[3a9h]], [[Resolution|resolution]] 2.50&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'>[[3a9h]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Pyrobaculum_aerophilum Pyrobaculum aerophilum]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3A9H OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3A9H 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]] 2.5&#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=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=GLC:ALPHA-D-GLUCOSE'>GLC</scene>, <scene name='pdbligand=PQQ:PYRROLOQUINOLINE+QUINONE'>PQQ</scene>, <scene name='pdbligand=PRD_900006:trehalose'>PRD_900006</scene></td></tr>
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{{STRUCTURE_3a9h| PDB=3a9h | 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=3a9h FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3a9h OCA], [https://pdbe.org/3a9h PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3a9h RCSB], [https://www.ebi.ac.uk/pdbsum/3a9h PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3a9h ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/Q8ZUN8_PYRAE Q8ZUN8_PYRAE]
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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/a9/3a9h_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=3a9h 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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We identified a gene encoding a soluble quinoprotein glucose dehydrogenase homologue in the hyperthermophilic archaeon Pyrobaculum aerophilum. The gene was overexpressed in Escherichia coli, after which its product was purified and characterized. The enzyme was extremely thermostable, and the activity of the pyrroloquinoline quinone (PQQ)-bound holoenzyme was not lost after incubation at 100 degrees C for 10min. The crystal structure of the enzyme was determined in both the apoform and as the PQQ-bound holoenzyme. The overall fold of the P. aerophilum enzyme showed significant similarity to that of soluble quinoprotein aldose sugar dehydrogenase (Asd) from E. coli. However, clear topological differences were observed in the two long loops around the PQQ-binding sites of the two enzymes. Structural comparison revealed that the hyperthermostability of the P. aerophilum enzyme is likely attributable to the presence of an extensive aromatic pair network located around a beta-sheet involving N- and C-terminal beta-strands.
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===Crystal Structure of PQQ-dependent sugar dehydrogenase holo-form===
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Catalytic properties and crystal structure of quinoprotein aldose sugar dehydrogenase from hyperthermophilic archaeon Pyrobaculum aerophilum.,Sakuraba H, Yokono K, Yoneda K, Watanabe A, Asada Y, Satomura T, Yabutani T, Motonaka J, Ohshima T Arch Biochem Biophys. 2010 Oct 15;502(2):81-8. Epub 2010 Aug 6. PMID:20692227<ref>PMID:20692227</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_20692227}}, adds the Publication Abstract to the page
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<div class="pdbe-citations 3a9h" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 20692227 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_20692227}}
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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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3A9H is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Pyrobaculum_aerophilum Pyrobaculum aerophilum]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3A9H OCA].
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==Reference==
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<ref group="xtra">PMID:20692227</ref><references group="xtra"/>
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[[Category: Pyrobaculum aerophilum]]
[[Category: Pyrobaculum aerophilum]]
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[[Category: Quinoprotein glucose dehydrogenase]]
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[[Category: Ohshima T]]
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[[Category: Ohshima, T.]]
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[[Category: Sakuraba H]]
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[[Category: Sakuraba, H.]]
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[[Category: Yokono K]]
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[[Category: Yokono, K.]]
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[[Category: Yoneda K]]
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[[Category: Yoneda, K.]]
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[[Category: Aldose sugar dehydrogenase]]
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[[Category: Beta-propeller fold]]
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[[Category: Oxidoreductase]]
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[[Category: Pqq dependent dehydrogenase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri Sep 10 13:55:09 2010''
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Current revision

Crystal Structure of PQQ-dependent sugar dehydrogenase holo-form

PDB ID 3a9h

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