2j18

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[[Image:2j18.png|left|200px]]
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==CHLOROPEROXIDASE MIXTURE OF FERRIC AND FERROUS STATES (LOW DOSE DATA SET)==
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<StructureSection load='2j18' size='340' side='right' caption='[[2j18]], [[Resolution|resolution]] 1.75&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2j18]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Leptoxyphium_fumago Leptoxyphium fumago]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2J18 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2J18 FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BR:BROMIDE+ION'>BR</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=MN:MANGANESE+(II)+ION'>MN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene><br>
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<tr><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=PCA:PYROGLUTAMIC+ACID'>PCA</scene></td></tr>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1cpo|1cpo]], [[2civ|2civ]], [[2ciw|2ciw]], [[2cix|2cix]], [[2ciy|2ciy]], [[2ciz|2ciz]], [[2cj0|2cj0]], [[2cj1|2cj1]], [[2cj2|2cj2]], [[2cpo|2cpo]], [[2j19|2j19]]</td></tr>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Chloride_peroxidase Chloride peroxidase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.11.1.10 1.11.1.10] </span></td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2j18 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2j18 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2j18 RCSB], [http://www.ebi.ac.uk/pdbsum/2j18 PDBsum]</span></td></tr>
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<table>
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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/j1/2j18_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/chain_selection.php?pdb_ID=2ata 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 X-ray crystallographic analysis of redox-active systems may be complicated by photoreduction. Although radiolytic reduction by the probing X-ray beam may be exploited to generate otherwise short-lived reaction intermediates of metalloproteins, it is generally an undesired feature. Here, the X-ray-induced reduction of the three heme proteins myoglobin, cytochrome P450cam and chloroperoxidase has been followed by on-line UV-Vis absorption spectroscopy. All three systems showed a very rapid reduction of the heme iron. In chloroperoxidase the change of the ionization state from ferric to ferrous heme is associated with a movement of the heme-coordinating water molecule. The influence of the energy of the incident X-ray photons and of the presence of scavengers on the apparent reduction rate of ferric myoglobin crystals was analyzed.
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{{STRUCTURE_2j18| PDB=2j18 | SCENE= }}
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Cryoradiolytic reduction of crystalline heme proteins: analysis by UV-Vis spectroscopy and X-ray crystallography.,Beitlich T, Kuhnel K, Schulze-Briese C, Shoeman RL, Schlichting I J Synchrotron Radiat. 2007 Jan;14(Pt 1):11-23. Epub 2006 Dec 15. PMID:17211068<ref>PMID:17211068</ref>
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===CHLOROPEROXIDASE MIXTURE OF FERRIC AND FERROUS STATES (LOW DOSE DATA SET)===
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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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{{ABSTRACT_PUBMED_17211068}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[2j18]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Leptoxyphium_fumago Leptoxyphium fumago]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2J18 OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:017211068</ref><references group="xtra"/>
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[[Category: Chloride peroxidase]]
[[Category: Chloride peroxidase]]
[[Category: Leptoxyphium fumago]]
[[Category: Leptoxyphium fumago]]

Revision as of 09:07, 30 September 2014

CHLOROPEROXIDASE MIXTURE OF FERRIC AND FERROUS STATES (LOW DOSE DATA SET)

2j18, resolution 1.75Å

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