3h4g

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[[Image:3h4g.png|left|200px]]
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==Structure of aldehyde reductase holoenzyme in complex with potent aldose reductase inhibitor Fidarestat: Implications for inhibitor binding and selectivity==
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<StructureSection load='3h4g' size='340' side='right' caption='[[3h4g]], [[Resolution|resolution]] 1.85&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3h4g]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Sus_scrofa Sus scrofa]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=2ao0 2ao0]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3H4G OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3H4G FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=FID:(2S,4S)-2-AMINOFORMYL-6-FLUORO-SPIRO[CHROMAN-4,4-IMIDAZOLIDINE]-2,5-DIONE'>FID</scene>, <scene name='pdbligand=NAP:NADP+NICOTINAMIDE-ADENINE-DINUCLEOTIDE+PHOSPHATE'>NAP</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1pwm|1pwm]], [[3cv7|3cv7]]</td></tr>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Alcohol_dehydrogenase_(NADP(+)) Alcohol dehydrogenase (NADP(+))], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.1.1.2 1.1.1.2] </span></td></tr>
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<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=3h4g FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3h4g OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3h4g RCSB], [http://www.ebi.ac.uk/pdbsum/3h4g PDBsum]</span></td></tr>
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<table>
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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/h4/3h4g_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/chain_selection.php?pdb_ID=2ata 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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Structure determination of porcine aldehyde reductase holoenzyme in complex with the potent aldose reductase inhibitor fidarestat was carried out to explain the difference in the potency of the inhibitor for aldose and aldehyde reductases. The hydrogen bonds between the active-site residues Tyr50, His113, and Trp114 and fidarestat are conserved in the two enzymes. In aldose reductase, Leu300 forms a hydrogen bond through its main-chain nitrogen atom with the exocyclic amide group of the inhibitor, which when replaced with a Pro in aldehyde reductase, cannot form a hydrogen bond, thus causing a loss in binding energy. Furthermore, in aldehyde reductase, the side chain of Trp220 occupies a disordered split conformation that is not observed in aldose reductase. Molecular modeling and inhibitory activity measurements suggest that the difference in the interaction between the side chain of Trp220 and fidarestat may contribute to the difference in the binding of the inhibitor to the enzymes.
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{{STRUCTURE_3h4g| PDB=3h4g | SCENE= }}
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Structure of aldehyde reductase holoenzyme in complex with the potent aldose reductase inhibitor fidarestat: implications for inhibitor binding and selectivity.,El-Kabbani O, Carbone V, Darmanin C, Oka M, Mitschler A, Podjarny A, Schulze-Briese C, Chung RP J Med Chem. 2005 Aug 25;48(17):5536-42. PMID:16107153<ref>PMID:16107153</ref>
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===Structure of aldehyde reductase holoenzyme in complex with potent aldose reductase inhibitor Fidarestat: Implications for inhibitor binding and selectivity===
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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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{{ABSTRACT_PUBMED_16107153}}
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==About this Structure==
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[[3h4g]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Sus_scrofa Sus scrofa]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=2ao0 2ao0]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3H4G OCA].
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==See Also==
==See Also==
*[[Alcohol dehydrogenase|Alcohol dehydrogenase]]
*[[Alcohol dehydrogenase|Alcohol dehydrogenase]]
*[[Aldose Reductase|Aldose Reductase]]
*[[Aldose Reductase|Aldose Reductase]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:016107153</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Sus scrofa]]
[[Category: Sus scrofa]]
[[Category: Carbone, V.]]
[[Category: Carbone, V.]]

Revision as of 12:38, 29 September 2014

Structure of aldehyde reductase holoenzyme in complex with potent aldose reductase inhibitor Fidarestat: Implications for inhibitor binding and selectivity

3h4g, resolution 1.85Å

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