1w0c

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[[Image:1w0c.png|left|200px]]
 
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==Inhibition of Leishmania major pteridine reductase (PTR1) by 2,4,6-triaminoquinazoline; structure of the NADP ternary complex.==
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The line below this paragraph, containing "STRUCTURE_1w0c", creates the "Structure Box" on the page.
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<StructureSection load='1w0c' size='340' side='right'caption='[[1w0c]], [[Resolution|resolution]] 2.60&Aring;' scene=''>
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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'>[[1w0c]] is a 8 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=1W0C OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1W0C FirstGlance]. <br>
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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]] 2.6&#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=NAP:NADP+NICOTINAMIDE-ADENINE-DINUCLEOTIDE+PHOSPHATE'>NAP</scene>, <scene name='pdbligand=TAQ:2,4,6-TRIAMINOQUINAZOLINE'>TAQ</scene></td></tr>
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{{STRUCTURE_1w0c| PDB=1w0c | 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=1w0c FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1w0c OCA], [https://pdbe.org/1w0c PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1w0c RCSB], [https://www.ebi.ac.uk/pdbsum/1w0c PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1w0c ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/PTR1_LEIMA PTR1_LEIMA] Exhibits a NADPH-dependent biopterin reductase activity. Has good activity with folate and significant activity with dihydrofolate and dihydrobiopterin, but not with quinonoid dihydrobiopterin. Confers resistance to methotrexate (MTX).<ref>PMID:7972081</ref>
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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/w0/1w0c_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/main_output.php?pdb_ID=1w0c 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 structure of Leishmania major pteridine reductase (PTR1) in complex with NADPH and the inhibitor 2,4,6-triaminoquinazoline (TAQ) has been solved in a new crystal form by molecular replacement and refined to 2.6 A resolution. The inhibitor mimics a fragment, the pterin head group, of the archetypal antifolate drug methotrexate (MTX) and exploits similar chemical features to bind in the PTR1 active site. Despite being a much smaller molecule, TAQ displays a similar inhibition constant to that of MTX. PTR1 is a target for the development of improved therapies for infections caused by trypanosomatid parasites and this analysis provides information to assist the structure-based development of novel enzyme inhibitors.
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===INHIBITION OF LEISHMANIA MAJOR PTERIDINE REDUCTASE (PTR1) BY 2,4,6-TRIAMINOQUINAZOLINE; STRUCTURE OF THE NADP TERNARY COMPLEX.===
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Inhibition of Leishmania major pteridine reductase by 2,4,6-triaminoquinazoline: structure of the NADPH ternary complex.,McLuskey K, Gibellini F, Carvalho P, Avery MA, Hunter WN Acta Crystallogr D Biol Crystallogr. 2004 Oct;60(Pt 10):1780-5. Epub 2004, Sep 23. PMID:15388924<ref>PMID:15388924</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 1w0c" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_15388924}}, 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 15388924 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_15388924}}
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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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[[1w0c]] is a 8 chain structure with sequence from [http://en.wikipedia.org/wiki/Leishmania_major Leishmania major]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1W0C OCA].
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==Reference==
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<ref group="xtra">PMID:015388924</ref><references group="xtra"/>
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[[Category: Leishmania major]]
[[Category: Leishmania major]]
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[[Category: Pteridine reductase]]
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[[Category: Avery M]]
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[[Category: Avery, M.]]
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[[Category: Carvalho P]]
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[[Category: Carvalho, P.]]
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[[Category: Gibellini F]]
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[[Category: Gibellini, F.]]
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[[Category: Hunter W]]
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[[Category: Hunter, W.]]
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[[Category: Mcluskey K]]
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[[Category: Mcluskey, K.]]
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[[Category: Enzyme inhibitor]]
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[[Category: Leishmania]]
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[[Category: Methotrexate]]
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[[Category: Methotrexate resistance]]
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[[Category: Nadp]]
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[[Category: Oxidoreductase]]
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[[Category: Pterin]]
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[[Category: Short-chain reductase]]
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[[Category: Trypanosoma]]
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Current revision

Inhibition of Leishmania major pteridine reductase (PTR1) by 2,4,6-triaminoquinazoline; structure of the NADP ternary complex.

PDB ID 1w0c

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