2xox

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[[Image:2xox.jpg|left|200px]]
 
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==Crystal structure of pteridine reductase (PTR1) from Leishmania donovani==
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The line below this paragraph, containing "STRUCTURE_2xox", creates the "Structure Box" on the page.
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<StructureSection load='2xox' size='340' side='right'caption='[[2xox]], [[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'>[[2xox]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Leishmania_donovani Leishmania donovani]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2XOX OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2XOX 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=SO4:SULFATE+ION'>SO4</scene></td></tr>
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{{STRUCTURE_2xox| PDB=2xox | 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=2xox FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2xox OCA], [https://pdbe.org/2xox PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2xox RCSB], [https://www.ebi.ac.uk/pdbsum/2xox PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2xox ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/Q6QDB5_LEIDO Q6QDB5_LEIDO]
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Pteridine reductase (PTR1) is a potential target for drug development against parasitic Trypanosoma and Leishmania species, protozoa that are responsible for a range of serious diseases found in tropical and subtropical parts of the world. As part of a structure-based approach to inhibitor development, specifically targeting Leishmania species, well ordered crystals of L. donovani PTR1 were sought to support the characterization of complexes formed with inhibitors. An efficient system for recombinant protein production was prepared and the enzyme was purified and crystallized in an orthorhombic form with ammonium sulfate as the precipitant. Diffraction data were measured to 2.5 A resolution and the structure was solved by molecular replacement. However, a sulfate occupies a phosphate-binding site used by NADPH and occludes cofactor binding. The nicotinamide moiety is a critical component of the active site and without it this part of the structure is disordered. The crystal form obtained under these conditions is therefore unsuitable for the characterization of inhibitor complexes.
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===CRYSTAL STRUCTURE OF PTERIDINE REDUCTASE (PTR1) FROM LEISHMANIA DONOVANI===
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Structure of recombinant Leishmania donovani pteridine reductase reveals a disordered active site.,Barrack KL, Tulloch LB, Burke LA, Fyfe PK, Hunter WN Acta Crystallogr Sect F Struct Biol Cryst Commun. 2011 Jan 1;67(Pt, 1):33-7. Epub 2010 Dec 21. PMID:21206018<ref>PMID:21206018</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 2xox" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_21123874}}, adds the Publication Abstract to the page
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*[[Pteridine reductase|Pteridine reductase]]
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(as it appears on PubMed at http://www.pubmed.gov), where 21123874 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_21123874}}
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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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[[2xox]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Leishmania_donovani Leishmania donovani]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2XOX OCA].
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==Reference==
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<ref group="xtra">PMID:21123874</ref><references group="xtra"/>
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[[Category: Leishmania donovani]]
[[Category: Leishmania donovani]]
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[[Category: Pteridine reductase]]
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[[Category: Barrack KL]]
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[[Category: Barrack, K L.]]
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[[Category: Burke LA]]
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[[Category: Burke, L A.]]
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[[Category: Fyfe PK]]
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[[Category: Fyfe, P K.]]
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[[Category: Hunter WN]]
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[[Category: Hunter, W N.]]
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[[Category: Tulloch LB]]
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[[Category: Tulloch, L B.]]
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Current revision

Crystal structure of pteridine reductase (PTR1) from Leishmania donovani

PDB ID 2xox

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