3ffq

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[[Image:3ffq.png|left|200px]]
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==HCN2I 443-640 apo-state==
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<StructureSection load='3ffq' size='340' side='right' caption='[[3ffq]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3ffq]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3FFQ OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3FFQ FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BR:BROMIDE+ION'>BR</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1q43|1q43]], [[1q3e|1q3e]], [[3bpz|3bpz]], [[1q5o|1q5o]]</td></tr>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">Bcng2, bcng2 or hac1, Hac1, Hcn2 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10090 Mus musculus])</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=3ffq FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3ffq OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3ffq RCSB], [http://www.ebi.ac.uk/pdbsum/3ffq 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/ff/3ffq_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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Visualizing conformational dynamics in proteins has been difficult, and the atomic-scale motions responsible for the behavior of most allosteric proteins are unknown. Here we report that fluorescence resonance energy transfer (FRET) between a small fluorescent dye and a nickel ion bound to a dihistidine motif can be used to monitor small structural rearrangements in proteins. This method provides several key advantages over classical FRET, including the ability to measure the dynamics of close-range interactions, the use of small probes with short linkers, a low orientation dependence, and the ability to add and remove unique tunable acceptors. We used this 'transition metal ion FRET' approach along with X-ray crystallography to determine the structural changes of the gating ring of the mouse hyperpolarization-activated cyclic nucleotide-regulated ion channel HCN2. Our results suggest a general model for the conformational switch in the cyclic nucleotide-binding site of cyclic nucleotide-regulated ion channels.
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{{STRUCTURE_3ffq| PDB=3ffq | SCENE= }}
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Mapping the structure and conformational movements of proteins with transition metal ion FRET.,Taraska JW, Puljung MC, Olivier NB, Flynn GE, Zagotta WN Nat Methods. 2009 Jul;6(7):532-7. Epub 2009 Jun 14. PMID:19525958<ref>PMID:19525958</ref>
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===HCN2I 443-640 apo-state===
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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_19525958}}
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==About this Structure==
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[[3ffq]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3FFQ OCA].
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==See Also==
==See Also==
*[[Ion channels|Ion channels]]
*[[Ion channels|Ion channels]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:019525958</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Mus musculus]]
[[Category: Mus musculus]]
[[Category: Olivier, N B.]]
[[Category: Olivier, N B.]]

Revision as of 13:02, 29 September 2014

HCN2I 443-640 apo-state

3ffq, resolution 2.40Å

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