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1yon

From Proteopedia

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[[Image:1yon.png|left|200px]]
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==Escherichia coli ketopantoate reductase in complex with 2-monophosphoadenosine-5'-diphosphate==
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<StructureSection load='1yon' size='340' side='right' caption='[[1yon]], [[Resolution|resolution]] 1.95&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1yon]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1YON OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1YON FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=APX:2-MONOPHOSPHOADENOSINE-5-DIPHOSPHORIBOSE'>APX</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1ks9|1ks9]], [[1yjq|1yjq]]</td></tr>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">panE ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 Escherichia coli])</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/2-dehydropantoate_2-reductase 2-dehydropantoate 2-reductase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.1.1.169 1.1.1.169] </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=1yon FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1yon OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1yon RCSB], [http://www.ebi.ac.uk/pdbsum/1yon 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/yo/1yon_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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The crystal structure of Escherichia coli ketopantoate reductase in complex with 2'-monophosphoadenosine 5'-diphosphoribose, a fragment of NADP+ that lacks the nicotinamide ring, is reported. The ligand is bound at the enzyme active site in the opposite orientation to that observed for NADP+, with the adenine ring occupying the lipophilic nicotinamide pocket. Isothermal titration calorimetry with R31A and N98A mutants of the enzyme is used to show that the unusual ;reversed binding mode' observed in the crystal is triggered by changes in the protonation of binding groups at low pH. This research has important implications for fragment-based approaches to drug design, namely that the crystallization conditions and the chemical modification of ligands can have unexpected effects on the binding modes.
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{{STRUCTURE_1yon| PDB=1yon | SCENE= }}
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pH-tuneable binding of 2'-phospho-ADP-ribose to ketopantoate reductase: a structural and calorimetric study.,Ciulli A, Lobley CM, Tuck KL, Smith AG, Blundell TL, Abell C Acta Crystallogr D Biol Crystallogr. 2007 Feb;63(Pt 2):171-8. Epub 2007, Jan 16. PMID:17242510<ref>PMID:17242510</ref>
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===Escherichia coli ketopantoate reductase in complex with 2-monophosphoadenosine-5'-diphosphate===
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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_17242510}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[1yon]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1YON OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:017242510</ref><references group="xtra"/>
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[[Category: 2-dehydropantoate 2-reductase]]
[[Category: 2-dehydropantoate 2-reductase]]
[[Category: Escherichia coli]]
[[Category: Escherichia coli]]

Revision as of 19:46, 29 September 2014

Escherichia coli ketopantoate reductase in complex with 2-monophosphoadenosine-5'-diphosphate

1yon, resolution 1.95Å

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