4dy9

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==Leishmania major Peroxidase is a Cytochrome c Peroxidase==
==Leishmania major Peroxidase is a Cytochrome c Peroxidase==
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<StructureSection load='4dy9' size='340' side='right' caption='[[4dy9]], [[Resolution|resolution]] 2.08&Aring;' scene=''>
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<StructureSection load='4dy9' size='340' side='right'caption='[[4dy9]], [[Resolution|resolution]] 2.08&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[4dy9]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Leima Leima]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4DY9 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4DY9 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[4dy9]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Leishmania_major Leishmania major]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4DY9 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4DY9 FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene></td></tr>
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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]] 2.082&#8491;</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">LMJF_16_1310, LMJF_16_1320 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=5664 LEIMA])</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=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4dy9 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4dy9 OCA], [http://pdbe.org/4dy9 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=4dy9 RCSB], [http://www.ebi.ac.uk/pdbsum/4dy9 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=4dy9 ProSAT]</span></td></tr>
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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=4dy9 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4dy9 OCA], [https://pdbe.org/4dy9 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4dy9 RCSB], [https://www.ebi.ac.uk/pdbsum/4dy9 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4dy9 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/Q4QEN5_LEIMA Q4QEN5_LEIMA]] Electron carrier protein. The oxidized form of the cytochrome c heme group can accept an electron from the heme group of the cytochrome c1 subunit of cytochrome reductase. Cytochrome c then transfers this electron to the cytochrome oxidase complex, the final protein carrier in the mitochondrial electron-transport chain.[RuleBase:RU004427]
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[https://www.uniprot.org/uniprot/Q4QEN5_LEIMA Q4QEN5_LEIMA] Electron carrier protein. The oxidized form of the cytochrome c heme group can accept an electron from the heme group of the cytochrome c1 subunit of cytochrome reductase. Cytochrome c then transfers this electron to the cytochrome oxidase complex, the final protein carrier in the mitochondrial electron-transport chain.[RuleBase:RU004427]
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Leishmania major peroxidase (LmP) exhibits both ascorbate and cytochrome c peroxidase activity. Our previous results illustrated that LmP has much higher activity against horse heart cytochrome c than ascorbate suggesting that cytochrome c may be the biologically important substrate. In order to elucidate the biological function of LmP, we have recombinantly expressed, purified and determined the 2.08A crystal structure of Leishmania major cytochrome c (LmCytc). Like other cytochromes c LmCytc has an electropositive surface surrounding the exposed heme edge that serves as the docking site with redox partners. LmCytc exhibits a unique UV-Visible reduced spectrum from most cytochromes because it has only one cysteine and therefore only one heme vinyl-thioether bond. Kinetic assays performed with LmCytc and LmP show that LmCytc is a much better substrate for LmP than horse heart cytochrome c. Furthermore, unlike the well-studied yeast system, the reaction follows classic Michaelis-Menten kinetics and is sensitive to increasing ionic strength. Using the yeast co-crystal as a control, protein-protein docking was performed using Rosetta to develop a model for the binding of LmP and LmCytc. These results suggest that the biological function of LmP is to act as a cytochrome c peroxidase.
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LEISHMANIA MAJOR PEROXIDASE IS A CYTOCHROME C PEROXIDASE.,Jasion VS, Poulos TL Biochemistry. 2012 Feb 29. PMID:22372542<ref>PMID:22372542</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 4dy9" style="background-color:#fffaf0;"></div>
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==See Also==
==See Also==
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*[[Cytochrome c|Cytochrome c]]
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*[[Cytochrome C 3D structures|Cytochrome C 3D structures]]
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*[[Cytochrome c peroxidase|Cytochrome c peroxidase]]
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*[[Cytochrome c peroxidase 3D structures|Cytochrome c peroxidase 3D structures]]
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== References ==
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<references/>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Leima]]
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[[Category: Large Structures]]
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[[Category: Jasion, V S]]
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[[Category: Leishmania major]]
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[[Category: Poulos, T L]]
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[[Category: Jasion VS]]
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[[Category: Alpha helical bundle]]
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[[Category: Poulos TL]]
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[[Category: Electron transport]]
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[[Category: Heme protein]]
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Current revision

Leishmania major Peroxidase is a Cytochrome c Peroxidase

PDB ID 4dy9

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