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2koe

From Proteopedia

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[[Image:2koe.png|left|200px]]
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==Human cannabinoid receptor 1 - helix 7/8 peptide==
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<StructureSection load='2koe' size='340' side='right' caption='[[2koe]], [[NMR_Ensembles_of_Models | 18 NMR models]]' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2koe]] is a 1 chain structure. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2KOE OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2KOE FirstGlance]. <br>
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</td></tr><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=2koe FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2koe OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2koe RCSB], [http://www.ebi.ac.uk/pdbsum/2koe 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/ko/2koe_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 report the NMR solution structure of a synthetic 40-mer (T(377)-E(416)) that encompasses human cannabinoid receptor-1 (hCB1) transmembrane helix 7 (TMH7) and helix 8 (H8) [hCB1(TMH7/H8)] in 30% trifluoroethanol/H(2)O. Structural features include, from the peptide's amino terminus, a hydrophobic alpha-helix (TMH7); a loop-like, 11 residue segment featuring a pronounced Pro-kink within the conserved NPxxY motif; a short amphipathic alpha-helix (H8) orthogonal to TMH7 with cationic and hydrophobic amino-acid clusters; and an unstructured C-terminal end. The hCB1(TMH7/H8) NMR solution structure suggests multiple electrostatic amino-acid interactions, including an intrahelical H8 salt bridge and a hydrogen-bond network involving the peptide's loop-like region. Potential cation-pi and cation-phenolic OH interactions between Y(397) in the TMH7 NPxxY motif and R(405) in H8 are identified as candidate structural forces promoting interhelical microdomain formation. This microdomain may function as a flexible molecular hinge during ligand-induced hCB1 conformer transitions.
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{{STRUCTURE_2koe| PDB=2koe | SCENE= }}
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NMR solution structure of human cannabinoid receptor-1 helix 7/8 peptide: candidate electrostatic interactions and microdomain formation.,Tyukhtenko S, Tiburu EK, Deshmukh L, Vinogradova O, Janero DR, Makriyannis A Biochem Biophys Res Commun. 2009 Dec 18;390(3):441-6. Epub 2009 Sep 18. PMID:19766594<ref>PMID:19766594</ref>
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===Human cannabinoid receptor 1 - helix 7/8 peptide===
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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_19766594}}
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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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[[2koe]] is a 1 chain structure. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2KOE OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:019766594</ref><references group="xtra"/>
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[[Category: Deshmukh, L.]]
[[Category: Deshmukh, L.]]
[[Category: Janero, D.]]
[[Category: Janero, D.]]

Revision as of 10:40, 30 September 2014

Human cannabinoid receptor 1 - helix 7/8 peptide

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