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==X-ray Structure of Ketohexokinase in complex with AMP-PNP and fructose==
==X-ray Structure of Ketohexokinase in complex with AMP-PNP and fructose==
<StructureSection load='3nbv' size='340' side='right' caption='[[3nbv]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
<StructureSection load='3nbv' size='340' side='right'caption='[[3nbv]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[3nbv]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3NBV OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3NBV FirstGlance]. <br>
<table><tr><td colspan='2'>[[3nbv]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3NBV OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3NBV FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ANP:PHOSPHOAMINOPHOSPHONIC+ACID-ADENYLATE+ESTER'>ANP</scene>, <scene name='pdbligand=FRU:FRUCTOSE'>FRU</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.3&#8491;</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3nbw|3nbw]], [[3nc2|3nc2]], [[3nc9|3nc9]], [[3nca|3nca]]</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ANP:PHOSPHOAMINOPHOSPHONIC+ACID-ADENYLATE+ESTER'>ANP</scene>, <scene name='pdbligand=FRU:FRUCTOSE'>FRU</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></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 HUMAN])</td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3nbv FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3nbv OCA], [https://pdbe.org/3nbv PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3nbv RCSB], [https://www.ebi.ac.uk/pdbsum/3nbv PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3nbv ProSAT]</span></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=3nbv FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3nbv OCA], [http://pdbe.org/3nbv PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3nbv RCSB], [http://www.ebi.ac.uk/pdbsum/3nbv PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=3nbv ProSAT]</span></td></tr>
</table>
</table>
== Disease ==
== 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>
[https://www.uniprot.org/uniprot/KHK_HUMAN KHK_HUMAN] Defects in KHK are the cause of fructosuria (FRUCT) [MIM:[https://omim.org/entry/229800 229800]. Benign defect of intermediary metabolism.<ref>PMID:19237742</ref> <ref>PMID:7833921</ref>  
== Function ==
[https://www.uniprot.org/uniprot/KHK_HUMAN KHK_HUMAN]
<div style="background-color:#fffaf0;">
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
== Publication Abstract from PubMed ==
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Human]]
[[Category: Homo sapiens]]
[[Category: Ketohexokinase]]
[[Category: Large Structures]]
[[Category: Abad, M C]]
[[Category: Abad MC]]
[[Category: Gibbs, A C]]
[[Category: Gibbs AC]]
[[Category: Transferase]]
[[Category: Transferase-transferase inhibitor complex]]

Latest revision as of 12:12, 6 September 2023

X-ray Structure of Ketohexokinase in complex with AMP-PNP and fructoseX-ray Structure of Ketohexokinase in complex with AMP-PNP and fructose

Structural highlights

3nbv is a 2 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2.3Å
Ligands:, ,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Disease

KHK_HUMAN Defects in KHK are the cause of fructosuria (FRUCT) [MIM:229800. Benign defect of intermediary metabolism.[1] [2]

Function

KHK_HUMAN

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.

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[3]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

See Also

References

  1. Trinh CH, Asipu A, Bonthron DT, Phillips SE. Structures of alternatively spliced isoforms of human ketohexokinase. Acta Crystallogr D Biol Crystallogr. 2009 Mar;65(Pt 3):201-11. Epub 2009, Feb 20. PMID:19237742 doi:S0907444908041115
  2. Bonthron DT, Brady N, Donaldson IA, Steinmann B. Molecular basis of essential fructosuria: molecular cloning and mutational analysis of human ketohexokinase (fructokinase). Hum Mol Genet. 1994 Sep;3(9):1627-31. PMID:7833921
  3. Gibbs AC, Abad MC, Zhang X, Tounge BA, Lewandowski FA, Struble GT, Sun W, Sui Z, Kuo LC. Electron density guided fragment-based lead discovery of ketohexokinase inhibitors. J Med Chem. 2010 Nov 25;53(22):7979-91. Epub 2010 Oct 29. PMID:21033679 doi:10.1021/jm100677s

3nbv, resolution 2.30Å

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