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{{STRUCTURE_1w0c|  PDB=1w0c  |  SCENE=  }}
==INHIBITION OF LEISHMANIA MAJOR PTERIDINE REDUCTASE (PTR1) BY 2,4,6-TRIAMINOQUINAZOLINE; STRUCTURE OF THE NADP TERNARY COMPLEX.==
===INHIBITION OF LEISHMANIA MAJOR PTERIDINE REDUCTASE (PTR1) BY 2,4,6-TRIAMINOQUINAZOLINE; STRUCTURE OF THE NADP TERNARY COMPLEX.===
<StructureSection load='1w0c' size='340' side='right' caption='[[1w0c]], [[Resolution|resolution]] 2.60&Aring;' scene=''>
{{ABSTRACT_PUBMED_15388924}}
== Structural highlights ==
<table><tr><td colspan='2'>[[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]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1W0C FirstGlance]. <br>
</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=NAP:NADP+NICOTINAMIDE-ADENINE-DINUCLEOTIDE+PHOSPHATE'>NAP</scene>, <scene name='pdbligand=TAQ:2,4,6-TRIAMINOQUINAZOLINE'>TAQ</scene><br>
<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1e7w|1e7w]], [[1e92|1e92]]</td></tr>
<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Pteridine_reductase Pteridine reductase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.5.1.33 1.5.1.33] </span></td></tr>
<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=1w0c FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1w0c OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1w0c RCSB], [http://www.ebi.ac.uk/pdbsum/1w0c PDBsum]</span></td></tr>
<table>
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/w0/1w0c_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
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.


==About this Structure==
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>
[[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].
 
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>


==See Also==
==See Also==
*[[Pteridine reductase|Pteridine reductase]]
*[[Pteridine reductase|Pteridine reductase]]
 
== References ==
==Reference==
<references/>
<ref group="xtra">PMID:015388924</ref><references group="xtra"/><references/>
__TOC__
</StructureSection>
[[Category: Leishmania major]]
[[Category: Leishmania major]]
[[Category: Pteridine reductase]]
[[Category: Pteridine reductase]]
Retrieved from "https://proteopedia.org/1w0c"