1s1y

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[[Image:1s1y.png|left|200px]]
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==Photoactivated chromophore conformation in Photoactive Yellow Protein (E46Q mutant) from 10 microseconds to 3 milliseconds==
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<StructureSection load='1s1y' size='340' side='right' caption='[[1s1y]], [[Resolution|resolution]] 1.60&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1s1y]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Halorhodospira_halophila Halorhodospira halophila]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1S1Y OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1S1Y FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=HC4:4-HYDROXYCINNAMIC+ACID'>HC4</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1s1z|1s1z]]</td></tr>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">PYP ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1053 Halorhodospira halophila])</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=1s1y FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1s1y OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1s1y RCSB], [http://www.ebi.ac.uk/pdbsum/1s1y 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/s1/1s1y_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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We use time-resolved crystallography to observe the structural progression of a bacterial blue light photoreceptor throughout its photocycle. Data were collected from 10 ns to 100 ms after photoactivation of the E46Q mutant of photoactive yellow protein. Refinement of transient chromophore conformations shows that the spectroscopically distinct intermediates are formed via progressive disruption of the hydrogen bond network to the chromophore. Although structural change occurs within a few nanoseconds on and around the chromophore, it takes milliseconds for a distinct pattern of tertiary structural change to fully progress through the entire molecule, thus generating the putative signaling state. Remarkably, the coupling between the chromophore conformation and the tertiary structure of this small protein is not tight: there are leads and lags between changes in the conformation of the chromophore and the protein tertiary structure.
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{{STRUCTURE_1s1y| PDB=1s1y | SCENE= }}
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Chromophore conformation and the evolution of tertiary structural changes in photoactive yellow protein.,Anderson S, Srajer V, Pahl R, Rajagopal S, Schotte F, Anfinrud P, Wulff M, Moffat K Structure. 2004 Jun;12(6):1039-45. PMID:15274923<ref>PMID:15274923</ref>
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===Photoactivated chromophore conformation in Photoactive Yellow Protein (E46Q mutant) from 10 microseconds to 3 milliseconds===
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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_15274923}}
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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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[[1s1y]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Halorhodospira_halophila Halorhodospira halophila]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1S1Y OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:015274923</ref><references group="xtra"/>
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[[Category: Halorhodospira halophila]]
[[Category: Halorhodospira halophila]]
[[Category: Anderson, S.]]
[[Category: Anderson, S.]]

Revision as of 14:00, 29 September 2014

Photoactivated chromophore conformation in Photoactive Yellow Protein (E46Q mutant) from 10 microseconds to 3 milliseconds

1s1y, resolution 1.60Å

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