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1mz9

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[[Image:1mz9.png|left|200px]]
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==Storage function of COMP:the crystal structure of the coiled-coil domain in complex with vitamin D3==
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<StructureSection load='1mz9' size='340' side='right' caption='[[1mz9]], [[Resolution|resolution]] 1.70&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1mz9]] is a 5 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=1MZ9 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1MZ9 FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=VDY:3-{2-[1-(5-HYDROXY-1,5-DIMETHYL-HEXYL)-7A-METHYL-OCTAHYDRO-INDEN-4-YLIDENE]-ETHYLIDENE}-4-METHYLENE-CYCLOHEXANOL'>VDY</scene><br>
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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=1mz9 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1mz9 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1mz9 RCSB], [http://www.ebi.ac.uk/pdbsum/1mz9 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/mz/1mz9_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 five-stranded coiled-coil domain of cartilage oligomeric matrix protein (COMPcc) forms a continuous axial pore with binding capacities for hydrophobic compounds, including prominent cell signalling molecules. Here, we report the X-ray structure of the COMPcc domain in complex with vitamin D(3) at 1.7 A resolution. The COMPcc pentamer harbours two molecules of the steroid hormone precursor in a planar s-trans conformation of the conjugated triene, with the aliphatic tails lying along the molecule axis. A hydrophilic ring of five Gln54 side chains divides the channel into two hydrophobic compartments in which the bound vitamin D(3) pair is fixed in a head-to-head orientation. Vitamin D(3) binding induces a volumetric increase of the cavities of approximately 30% while the main chain distances of the pentamer are retained. This adaptation to the bulky ring systems of the ligands is accomplished by a rotamer re-orientation of beta-branched side chains that form the knobs into holes of the coiled-coil structure. Compared with binding of vitamin D and retinoic acid by their classical receptors, COMP exerts a distinct mechanism of interaction mainly defined by the pattern of hydrophobic core residues.
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{{STRUCTURE_1mz9| PDB=1mz9 | SCENE= }}
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Storage function of cartilage oligomeric matrix protein: the crystal structure of the coiled-coil domain in complex with vitamin D(3).,Ozbek S, Engel J, Stetefeld J EMBO J. 2002 Nov 15;21(22):5960-8. PMID:12426368<ref>PMID:12426368</ref>
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===Storage function of COMP:the crystal structure of the coiled-coil domain in complex with vitamin D3===
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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_12426368}}
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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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[[1mz9]] is a 5 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=1MZ9 OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:012426368</ref><references group="xtra"/>
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[[Category: Mus musculus]]
[[Category: Mus musculus]]
[[Category: Stetefeld, J.]]
[[Category: Stetefeld, J.]]
[[Category: Pentameric coiled-coil domain]]
[[Category: Pentameric coiled-coil domain]]
[[Category: Protein binding]]
[[Category: Protein binding]]

Revision as of 17:55, 28 September 2014

Storage function of COMP:the crystal structure of the coiled-coil domain in complex with vitamin D3

1mz9, resolution 1.70Å

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