2uur

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[[Image:2uur.jpg|left|200px]]
 
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{{Structure
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==N-terminal NC4 domain of collagen IX==
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|PDB= 2uur |SIZE=350|CAPTION= <scene name='initialview01'>2uur</scene>, resolution 1.80&Aring;
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<StructureSection load='2uur' size='340' side='right'caption='[[2uur]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
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|SITE= <scene name='pdbsite=AC1:Edo+Binding+Site+For+Chain+A'>AC1</scene>
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene>
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<table><tr><td colspan='2'>[[2uur]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2UUR OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2UUR FirstGlance]. <br>
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|ACTIVITY=
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.8&#8491;</td></tr>
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|GENE=
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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|DOMAIN=
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2uur FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2uur OCA], [https://pdbe.org/2uur PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2uur RCSB], [https://www.ebi.ac.uk/pdbsum/2uur PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2uur ProSAT]</span></td></tr>
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|RELATEDENTRY=
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</table>
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2uur FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2uur OCA], [http://www.ebi.ac.uk/pdbsum/2uur PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=2uur RCSB]</span>
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== Evolutionary Conservation ==
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}}
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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/uu/2uur_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.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/main_output.php?pdb_ID=2uur 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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Collagen IX, located on the surface of collagen fibrils, is crucial for cartilage integrity and stability. The N-terminal NC4 domain of the alpha1(IX) chain is probably important in this because it interacts with various macromolecules such as proteoglycans and cartilage oligomeric matrix protein. At least 17 distinct collagen polypeptides carry an NC4-like unit near their N terminus, but this report, describing the crystal structure of NC4 at 1.8-A resolution, represents the first atomic level structure for these domains. The structure is similar to previously characterized laminin-neurexin-sex hormone binding globulin (LNS) structures, dominated by an antiparallel beta-sheet sandwich. In addition, a zinc ion was found in a position similar to that of the metal binding site of other LNS domains. A partial backbone NMR assignment of NC4 was obtained and utilized in NMR titration studies to investigate the zinc binding in solution state and to quantitate the affinity of metal binding. The K(d) of 11.5 mM suggests a regulatory rather than a structural role for zinc in solution. NMR titration with a heparin tetrasaccharide revealed the presence of a secondary binding site for heparin on NC4, showing structural and functional conservation with thrombospondin-1, but a markedly reduced affinity for the ligand. Also the overall arrangement of the N and C termini of NC4 resembles most closely the N-terminal domain of thrombospondin-1, distinguishing the two from the majority of the published LNS structures.
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'''N-TERMINAL NC4 DOMAIN OF COLLAGEN IX'''
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Crystal structure of the N-terminal NC4 domain of collagen IX, a zinc binding member of the laminin-neurexin-sex hormone binding globulin (LNS) domain family.,Leppanen VM, Tossavainen H, Permi P, Lehtio L, Ronnholm G, Goldman A, Kilpelainen I, Pihlajamaa T J Biol Chem. 2007 Aug 10;282(32):23219-30. Epub 2007 Jun 6. PMID:17553797<ref>PMID:17553797</ref>
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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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<div class="pdbe-citations 2uur" style="background-color:#fffaf0;"></div>
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==About this Structure==
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==See Also==
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2UUR is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2UUR OCA].
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*[[Collagen 3D structures|Collagen 3D structures]]
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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Goldman, A.]]
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[[Category: Goldman A]]
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[[Category: Kilpelainen, I.]]
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[[Category: Kilpelainen I]]
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[[Category: Lehtio, L.]]
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[[Category: Lehtio L]]
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[[Category: Leppanen, V M.]]
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[[Category: Leppanen V-M]]
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[[Category: Permi, P.]]
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[[Category: Permi P]]
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[[Category: Pihlajamaa, T.]]
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[[Category: Pihlajamaa T]]
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[[Category: Ronnholm, G.]]
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[[Category: Ronnholm G]]
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[[Category: Tossavainen, H.]]
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[[Category: Tossavainen H]]
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[[Category: alternative splicing]]
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[[Category: collagen]]
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[[Category: collagen ix]]
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[[Category: extracellular matrix]]
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[[Category: glycoprotein]]
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[[Category: hydroxylation]]
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[[Category: nc4]]
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[[Category: polymorphism]]
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[[Category: structural protein]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 05:04:42 2008''
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Current revision

N-terminal NC4 domain of collagen IX

PDB ID 2uur

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