1h5c

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[[Image:1h5c.jpg|left|200px]]
 
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{{Structure
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==X-ray induced reduction of horseradish peroxidase C1A Compound III (100-200% dose)==
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|PDB= 1h5c |SIZE=350|CAPTION= <scene name='initialview01'>1h5c</scene>, resolution 1.62&Aring;
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<StructureSection load='1h5c' size='340' side='right'caption='[[1h5c]], [[Resolution|resolution]] 1.62&Aring;' scene=''>
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|SITE= <scene name='pdbsite=CAA:Hem+Binding+Site+For+Chain+A'>CAA</scene>
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene> and <scene name='pdbligand=HEM:PROTOPORPHYRIN IX CONTAINING FE'>HEM</scene>
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<table><tr><td colspan='2'>[[1h5c]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Armoracia_rusticana Armoracia rusticana]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1H5C OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1H5C FirstGlance]. <br>
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|ACTIVITY= [http://en.wikipedia.org/wiki/Peroxidase Peroxidase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.11.1.7 1.11.1.7]
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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]] 1.62&#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=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene></td></tr>
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}}
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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=1h5c FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1h5c OCA], [https://pdbe.org/1h5c PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1h5c RCSB], [https://www.ebi.ac.uk/pdbsum/1h5c PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1h5c ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/PER1A_ARMRU PER1A_ARMRU] Removal of H(2)O(2), oxidation of toxic reductants, biosynthesis and degradation of lignin, suberization, auxin catabolism, response to environmental stresses such as wounding, pathogen attack and oxidative stress. These functions might be dependent on each isozyme/isoform in each plant tissue.
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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/h5/1h5c_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=1h5c 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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A molecular description of oxygen and peroxide activation in biological systems is difficult, because electrons liberated during X-ray data collection reduce the active centres of redox enzymes catalysing these reactions. Here we describe an effective strategy to obtain crystal structures for high-valency redox intermediates and present a three-dimensional movie of the X-ray-driven catalytic reduction of a bound dioxygen species in horseradish peroxidase (HRP). We also describe separate experiments in which high-resolution structures could be obtained for all five oxidation states of HRP, showing such structures with preserved redox states for the first time.
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'''X-RAY INDUCED REDUCTION OF HORSERADISH PEROXIDASE C1A COMPOUND III (100-200% DOSE)'''
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The catalytic pathway of horseradish peroxidase at high resolution.,Berglund GI, Carlsson GH, Smith AT, Szoke H, Henriksen A, Hajdu J Nature. 2002 May 23;417(6887):463-8. PMID:12024218<ref>PMID:12024218</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 1h5c" style="background-color:#fffaf0;"></div>
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==Overview==
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==See Also==
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A molecular description of oxygen and peroxide activation in biological systems is difficult, because electrons liberated during X-ray data collection reduce the active centres of redox enzymes catalysing these reactions. Here we describe an effective strategy to obtain crystal structures for high-valency redox intermediates and present a three-dimensional movie of the X-ray-driven catalytic reduction of a bound dioxygen species in horseradish peroxidase (HRP). We also describe separate experiments in which high-resolution structures could be obtained for all five oxidation states of HRP, showing such structures with preserved redox states for the first time.
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*[[Horseradish peroxidase|Horseradish peroxidase]]
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== References ==
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==About this Structure==
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<references/>
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1H5C is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Armoracia_rusticana Armoracia rusticana]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1H5C OCA].
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__TOC__
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</StructureSection>
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==Reference==
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The catalytic pathway of horseradish peroxidase at high resolution., Berglund GI, Carlsson GH, Smith AT, Szoke H, Henriksen A, Hajdu J, Nature. 2002 May 23;417(6887):463-8. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/12024218 12024218]
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[[Category: Armoracia rusticana]]
[[Category: Armoracia rusticana]]
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[[Category: Peroxidase]]
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[[Category: Large Structures]]
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[[Category: Single protein]]
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[[Category: Berglund GI]]
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[[Category: Berglund, G I.]]
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[[Category: Carlsson GH]]
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[[Category: Carlsson, G H.]]
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[[Category: Hajdu J]]
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[[Category: Hajdu, J.]]
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[[Category: Henriksen A]]
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[[Category: Henriksen, A.]]
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[[Category: Smith AT]]
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[[Category: Smith, A T.]]
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[[Category: Szoke H]]
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[[Category: Szoke, H.]]
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[[Category: ACT]]
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[[Category: CA]]
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[[Category: HEM]]
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[[Category: compound iii]]
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[[Category: horseradish]]
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[[Category: oxidoreductase]]
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[[Category: oxyperoxidase]]
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[[Category: peroxidase]]
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[[Category: x-ray induced reduction]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 11:32:30 2008''
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Current revision

X-ray induced reduction of horseradish peroxidase C1A Compound III (100-200% dose)

PDB ID 1h5c

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