1htn

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[[Image:1htn.png|left|200px]]
 
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{{STRUCTURE_1htn| PDB=1htn | SCENE= }}
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==HUMAN TETRANECTIN, A TRIMERIC PLASMINOGEN BINDING PROTEIN WITH AN ALPHA-HELICAL COILED COIL==
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<StructureSection load='1htn' size='340' side='right'caption='[[1htn]], [[Resolution|resolution]] 2.80&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1htn]] 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=1HTN OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1HTN FirstGlance]. <br>
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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]] 2.8&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene></td></tr>
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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=1htn FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1htn OCA], [https://pdbe.org/1htn PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1htn RCSB], [https://www.ebi.ac.uk/pdbsum/1htn PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1htn ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/TETN_HUMAN TETN_HUMAN] Tetranectin binds to plasminogen and to isolated kringle 4. May be involved in the packaging of molecules destined for exocytosis.
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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/ht/1htn_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=1htn 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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Tetranectin is a plasminogen kringle 4-binding protein. The crystal structure has been determined at 2.8 A resolution using molecular replacement. Human tetranectin is a homotrimer forming a triple alpha-helical coiled coil. Each monomer consists of a carbohydrate recognition domain (CRD) connected to a long alpha-helix. Tetranectin has been classified in a distinct group of the C-type lectin superfamily but has structural similarity to the proteins in the group of collectins. Tetranectin has three intramolecular disulfide bridges. Two of these are conserved in the C-type lectin superfamily, whereas the third is present only in long-form CRDs. Tetranectin represents the first structure of a long-form CRD with intact calcium-binding sites. In tetranectin, the third disulfide bridge tethers the CRD to the long helix in the coiled coil. The trimerization of tetranectin as well as the fixation of the CRDs relative to the helices in the coiled coil indicate a demand for high specificity in the recognition and binding of ligands.
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===HUMAN TETRANECTIN, A TRIMERIC PLASMINOGEN BINDING PROTEIN WITH AN ALPHA-HELICAL COILED COIL===
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Crystal structure of tetranectin, a trimeric plasminogen-binding protein with an alpha-helical coiled coil.,Nielsen BB, Kastrup JS, Rasmussen H, Holtet TL, Graversen JH, Etzerodt M, Thogersen HC, Larsen IK FEBS Lett. 1997 Jul 28;412(2):388-96. PMID:9256258<ref>PMID:9256258</ref>
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{{ABSTRACT_PUBMED_9256258}}
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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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==About this Structure==
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<div class="pdbe-citations 1htn" style="background-color:#fffaf0;"></div>
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[[1htn]] is a 1 chain structure with 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=1HTN OCA].
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== References ==
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<references/>
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==Reference==
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__TOC__
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<ref group="xtra">PMID:009256258</ref><references group="xtra"/>
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Etzerodt, M.]]
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[[Category: Large Structures]]
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[[Category: Graversen, J H.]]
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[[Category: Etzerodt M]]
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[[Category: Holtet, T L.]]
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[[Category: Graversen JH]]
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[[Category: Kastrup, J S.]]
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[[Category: Holtet TL]]
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[[Category: Larsen, I K.]]
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[[Category: Kastrup JS]]
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[[Category: Nielsen, B B.]]
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[[Category: Larsen IK]]
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[[Category: Rasmussen, H.]]
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[[Category: Nielsen BB]]
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[[Category: Thogersen, H C.]]
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[[Category: Rasmussen H]]
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[[Category: Alpha-helical coiled coil]]
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[[Category: Thogersen HC]]
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[[Category: C-type lectin]]
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[[Category: Carbohydrate recognition domain]]
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[[Category: Kringle 4]]
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[[Category: Lectin]]
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[[Category: Plasminogen binding]]
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[[Category: Tetranectin]]
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Current revision

HUMAN TETRANECTIN, A TRIMERIC PLASMINOGEN BINDING PROTEIN WITH AN ALPHA-HELICAL COILED COIL

PDB ID 1htn

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