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[[Image:1fns.gif|left|200px]]


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==CRYSTAL STRUCTURE OF THE VON WILLEBRAND FACTOR (VWF) A1 DOMAIN I546V MUTANT IN COMPLEX WITH THE FUNCTION BLOCKING FAB NMC4==
The line below this paragraph, containing "STRUCTURE_1fns", creates the "Structure Box" on the page.
<StructureSection load='1fns' size='340' side='right'caption='[[1fns]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
You may change the PDB parameter (which sets the PDB file loaded into the applet)
== Structural highlights ==
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
<table><tr><td colspan='2'>[[1fns]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1FNS OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1FNS FirstGlance]. <br>
or leave the SCENE parameter empty for the default display.
</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&#8491;</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=1fns FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1fns OCA], [https://pdbe.org/1fns PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1fns RCSB], [https://www.ebi.ac.uk/pdbsum/1fns PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1fns ProSAT]</span></td></tr>
{{STRUCTURE_1fns|  PDB=1fns  |  SCENE= }}
</table>
 
== Function ==
'''CRYSTAL STRUCTURE OF THE VON WILLEBRAND FACTOR (VWF) A1 DOMAIN I546V MUTANT IN COMPLEX WITH THE FUNCTION BLOCKING FAB NMC4'''
[https://www.uniprot.org/uniprot/IGKC_MOUSE IGKC_MOUSE]
 
== Evolutionary Conservation ==
 
[[Image:Consurf_key_small.gif|200px|right]]
==Overview==
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/fn/1fns_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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=1fns ConSurf].
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== Publication Abstract from PubMed ==
Platelet participation in hemostasis and arterial thrombosis requires the binding of glycoprotein (GP) Ibalpha to von Willebrand factor (vWF). Hemodynamic forces enhance this interaction, an effect mimicked by the substitution I546V in the vWF A1 domain. A water molecule becomes internalized near the deleted Ile methyl group. The change in hydrophobicity of the local environment causes positional changes propagated over a distance of 27 A. As a consequence, a major reorientation of a peptide plane occurs in a surface loop involved in GP Ibalpha binding. This distinct vWF conformation shows increased platelet adhesion and provides a structural model for the initial regulation of thrombus formation.
Platelet participation in hemostasis and arterial thrombosis requires the binding of glycoprotein (GP) Ibalpha to von Willebrand factor (vWF). Hemodynamic forces enhance this interaction, an effect mimicked by the substitution I546V in the vWF A1 domain. A water molecule becomes internalized near the deleted Ile methyl group. The change in hydrophobicity of the local environment causes positional changes propagated over a distance of 27 A. As a consequence, a major reorientation of a peptide plane occurs in a surface loop involved in GP Ibalpha binding. This distinct vWF conformation shows increased platelet adhesion and provides a structural model for the initial regulation of thrombus formation.


==About this Structure==
von Willebrand factor conformation and adhesive function is modulated by an internalized water molecule.,Celikel R, Ruggeri ZM, Varughese KI Nat Struct Biol. 2000 Oct;7(10):881-4. PMID:11017197<ref>PMID:11017197</ref>
1FNS is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1FNS OCA].


==Reference==
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
von Willebrand factor conformation and adhesive function is modulated by an internalized water molecule., Celikel R, Ruggeri ZM, Varughese KI, Nat Struct Biol. 2000 Oct;7(10):881-4. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/11017197 11017197]
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<div class="pdbe-citations 1fns" style="background-color:#fffaf0;"></div>
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Mus musculus]]
[[Category: Mus musculus]]
[[Category: Single protein]]
[[Category: Varughese KI]]
[[Category: Varughese, K I.]]
[[Category: Blood coagulation type 2b von willebrand disease]]
[[Category: Von willebrand factor]]
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