1bl5

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[[Image:1bl5.png|left|200px]]
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==ISOCITRATE DEHYDROGENASE FROM E. COLI SINGLE TURNOVER LAUE STRUCTURE OF RATE-LIMITED PRODUCT COMPLEX, 10 MSEC TIME RESOLUTION==
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<StructureSection load='1bl5' size='340' side='right' caption='[[1bl5]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1bl5]] 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=1BL5 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1BL5 FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=AKG:2-OXOGLUTARIC+ACID'>AKG</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=NAP:NADP+NICOTINAMIDE-ADENINE-DINUCLEOTIDE+PHOSPHATE'>NAP</scene><br>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">ICD ([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/Isocitrate_dehydrogenase_(NADP(+)) Isocitrate dehydrogenase (NADP(+))], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.1.1.42 1.1.1.42] </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=1bl5 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1bl5 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1bl5 RCSB], [http://www.ebi.ac.uk/pdbsum/1bl5 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/bl/1bl5_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 structure of a rate-limited product complex formed during a single initial round of turnover by isocitrate dehydrogenase has been determined. Photolytic liberation of either caged substrate or caged cofactor and Laue X-ray data collection were used to visualize the complex, which has a minimum half-life of approximately 10 milliseconds. The experiment was conducted with three different photoreactive compounds, each possessing a unique mechanism leading to the formation of the enzyme-substrate (ES) complex. Photoreaction efficiency and subsequent substrate affinities and binding rates in the crystal are critical parameters for these experiments. The structure suggests that CO2 dissociation is a rapid event that may help drive product formation, and that small conformational changes may contribute to slow product release.
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{{STRUCTURE_1bl5| PDB=1bl5 | SCENE= }}
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Millisecond Laue structures of an enzyme-product complex using photocaged substrate analogs.,Stoddard BL, Cohen BE, Brubaker M, Mesecar AD, Koshland DE Jr Nat Struct Biol. 1998 Oct;5(10):891-7. PMID:9783749<ref>PMID:9783749</ref>
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===ISOCITRATE DEHYDROGENASE FROM E. COLI SINGLE TURNOVER LAUE STRUCTURE OF RATE-LIMITED PRODUCT COMPLEX, 10 MSEC TIME RESOLUTION===
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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_9783749}}
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==About this Structure==
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[[1bl5]] 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=1BL5 OCA].
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==See Also==
==See Also==
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*[[Ferguson sandbox 1|Ferguson sandbox 1]]
 
*[[Isocitrate dehydrogenase|Isocitrate dehydrogenase]]
*[[Isocitrate dehydrogenase|Isocitrate dehydrogenase]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:009783749</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
[[Category: Brubaker, M.]]
[[Category: Brubaker, M.]]

Revision as of 05:20, 3 October 2014

ISOCITRATE DEHYDROGENASE FROM E. COLI SINGLE TURNOVER LAUE STRUCTURE OF RATE-LIMITED PRODUCT COMPLEX, 10 MSEC TIME RESOLUTION

1bl5, resolution 2.50Å

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