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{{STRUCTURE_3nc2|  PDB=3nc2 | SCENE= }}
==X-ray structure of ketohexokinase with a quinazoline==
===X-ray structure of ketohexokinase with a quinazoline===
<StructureSection load='3nc2' size='340' side='right' caption='[[3nc2]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
{{ABSTRACT_PUBMED_21033679}}
== Structural highlights ==
<table><tr><td colspan='2'>[[3nc2]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3NC2 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3NC2 FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=QUZ:QUINAZOLINE'>QUZ</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3nbv|3nbv]], [[3nbw|3nbw]], [[3nc9|3nc9]], [[3nca|3nca]]</td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">KHK ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])</td></tr>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Ketohexokinase Ketohexokinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.1.3 2.7.1.3] </span></td></tr>
<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=3nc2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3nc2 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3nc2 RCSB], [http://www.ebi.ac.uk/pdbsum/3nc2 PDBsum]</span></td></tr>
</table>
== Disease ==
[[http://www.uniprot.org/uniprot/KHK_HUMAN KHK_HUMAN]] Defects in KHK are the cause of fructosuria (FRUCT) [MIM:[http://omim.org/entry/229800 229800]]. Benign defect of intermediary metabolism.<ref>PMID:19237742</ref> <ref>PMID:7833921</ref> 
== Function ==


==Disease==
<div style="background-color:#fffaf0;">
[[http://www.uniprot.org/uniprot/KHK_HUMAN KHK_HUMAN]] Defects in KHK are the cause of fructosuria (FRUCT) [MIM:[http://omim.org/entry/229800 229800]]. Benign defect of intermediary metabolism.<ref>PMID:19237742</ref><ref>PMID:7833921</ref>
== Publication Abstract from PubMed ==
A fragment-based drug design paradigm has been successfully applied in the discovery of lead series of ketohexokinase inhibitors. The paradigm consists of three iterations of design, synthesis, and X-ray crystallographic screening to progress low molecular weight fragments to leadlike compounds. Applying electron density of fragments within the protein binding site as defined by X-ray crystallography, one can generate target specific leads without the use of affinity data. Our approach contrasts with most fragment-based drug design methodology where solution activity is a main design guide. Herein we describe the discovery of submicromolar ketohexokinase inhibitors with promising druglike properties.


==About this Structure==
Electron density guided fragment-based lead discovery of ketohexokinase inhibitors.,Gibbs AC, Abad MC, Zhang X, Tounge BA, Lewandowski FA, Struble GT, Sun W, Sui Z, Kuo LC J Med Chem. 2010 Nov 25;53(22):7979-91. Epub 2010 Oct 29. PMID:21033679<ref>PMID:21033679</ref>
[[3nc2]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3NC2 OCA].
 
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>


==See Also==
==See Also==
*[[Ketohexokinase|Ketohexokinase]]
*[[Ketohexokinase|Ketohexokinase]]
 
== References ==
==Reference==
<references/>
<ref group="xtra">PMID:021033679</ref><references group="xtra"/><references/>
__TOC__
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Ketohexokinase]]
[[Category: Ketohexokinase]]
[[Category: Abad, M C.]]
[[Category: Abad, M C]]
[[Category: Gibbs, A C.]]
[[Category: Gibbs, A C]]
[[Category: Spurlino, J C.]]
[[Category: Spurlino, J C]]
[[Category: Ketohexokinase]]
[[Category: Transferase]]
[[Category: Transferase]]
[[Category: Transferase-transferase inhibitor complex]]
[[Category: Transferase-transferase inhibitor complex]]
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