1f76

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[[Image:1f76.jpg|left|200px]]
 
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{{Structure
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==ESCHERICHIA COLI DIHYDROOROTATE DEHYDROGENASE==
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|PDB= 1f76 |SIZE=350|CAPTION= <scene name='initialview01'>1f76</scene>, resolution 2.5&Aring;
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<StructureSection load='1f76' size='340' side='right'caption='[[1f76]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=FMN:FLAVIN+MONONUCLEOTIDE'>FMN</scene>, <scene name='pdbligand=FMT:FORMIC+ACID'>FMT</scene>, <scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene>, <scene name='pdbligand=ORO:OROTIC+ACID'>ORO</scene>
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<table><tr><td colspan='2'>[[1f76]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli_K-12 Escherichia coli K-12]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1F76 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1F76 FirstGlance]. <br>
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|ACTIVITY= <span class='plainlinks'>[http://en.wikipedia.org/wiki/Dihydroorotate_oxidase Dihydroorotate oxidase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.3.3.1 1.3.3.1] </span>
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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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|GENE=
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=FMN:FLAVIN+MONONUCLEOTIDE'>FMN</scene>, <scene name='pdbligand=FMT:FORMIC+ACID'>FMT</scene>, <scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene>, <scene name='pdbligand=ORO:OROTIC+ACID'>ORO</scene></td></tr>
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|DOMAIN=
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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=1f76 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1f76 OCA], [https://pdbe.org/1f76 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1f76 RCSB], [https://www.ebi.ac.uk/pdbsum/1f76 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1f76 ProSAT]</span></td></tr>
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|RELATEDENTRY=
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</table>
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1f76 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1f76 OCA], [http://www.ebi.ac.uk/pdbsum/1f76 PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1f76 RCSB]</span>
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== Function ==
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}}
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[https://www.uniprot.org/uniprot/PYRD_ECOLI PYRD_ECOLI] Catalyzes the conversion of dihydroorotate to orotate with quinone as electron acceptor.<ref>PMID:10074342</ref>
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== Evolutionary Conservation ==
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'''ESCHERICHIA COLI DIHYDROOROTATE DEHYDROGENASE'''
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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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==Overview==
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/f7/1f76_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=1f76 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 ==
The flavoenzymes dihydroorotate dehydrogenases (DHODs) catalyze the fourth and only redox step in the de novo biosynthesis of UMP. Enzymes belonging to class 2, according to their amino acid sequence, are characterized by having a serine residue as the catalytic base and a longer N terminus. The structure of class 2 E. coli DHOD, determined by MAD phasing, showed that the N-terminal extension forms a separate domain. The catalytic serine residue has an environment differing from the equivalent cysteine in class 1 DHODs. Significant differences between the two classes of DHODs were identified by comparison of the E. coli DHOD with the other known DHOD structures, and differences with the class 2 human DHOD explain the variation in their inhibitors.
The flavoenzymes dihydroorotate dehydrogenases (DHODs) catalyze the fourth and only redox step in the de novo biosynthesis of UMP. Enzymes belonging to class 2, according to their amino acid sequence, are characterized by having a serine residue as the catalytic base and a longer N terminus. The structure of class 2 E. coli DHOD, determined by MAD phasing, showed that the N-terminal extension forms a separate domain. The catalytic serine residue has an environment differing from the equivalent cysteine in class 1 DHODs. Significant differences between the two classes of DHODs were identified by comparison of the E. coli DHOD with the other known DHOD structures, and differences with the class 2 human DHOD explain the variation in their inhibitors.
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==About this Structure==
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E. coli dihydroorotate dehydrogenase reveals structural and functional distinctions between different classes of dihydroorotate dehydrogenases.,Norager S, Jensen KF, Bjornberg O, Larsen S Structure. 2002 Sep;10(9):1211-23. PMID:12220493<ref>PMID:12220493</ref>
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1F76 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/ ]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1F76 OCA].
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==Reference==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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E. coli dihydroorotate dehydrogenase reveals structural and functional distinctions between different classes of dihydroorotate dehydrogenases., Norager S, Jensen KF, Bjornberg O, Larsen S, Structure. 2002 Sep;10(9):1211-23. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/12220493 12220493]
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</div>
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[[Category: ]]
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<div class="pdbe-citations 1f76" style="background-color:#fffaf0;"></div>
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[[Category: Dihydroorotate oxidase]]
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[[Category: Single protein]]
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[[Category: Bjornberg, O.]]
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[[Category: Jensen, K F.]]
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[[Category: Larsen, S.]]
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[[Category: Norager, S.]]
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[[Category: alpha-beta-barrel]]
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[[Category: fmn binding domain]]
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[[Category: monomer]]
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[[Category: orotate complex]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 20:17:14 2008''
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==See Also==
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*[[Dihydroorotate dehydrogenase 3D structures|Dihydroorotate dehydrogenase 3D structures]]
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== References ==
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Escherichia coli K-12]]
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[[Category: Large Structures]]
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[[Category: Bjornberg O]]
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[[Category: Jensen KF]]
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[[Category: Larsen S]]
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[[Category: Norager S]]

Current revision

ESCHERICHIA COLI DIHYDROOROTATE DEHYDROGENASE

PDB ID 1f76

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