View source for 6qig


==Metalloproteinase==
<StructureSection load='6qig' size='340' side='right'caption='[[6qig]], [[Resolution|resolution]] 2.80&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[6qig]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Rattus_norvegicus Rattus norvegicus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6QIG OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6QIG FirstGlance]. <br>
</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>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BMA:BETA-D-MANNOSE'>BMA</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=FUC:ALPHA-L-FUCOSE'>FUC</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=PEG:DI(HYDROXYETHYL)ETHER'>PEG</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=6qig FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6qig OCA], [https://pdbe.org/6qig PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6qig RCSB], [https://www.ebi.ac.uk/pdbsum/6qig PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6qig ProSAT]</span></td></tr>
</table>
== Disease ==
[https://www.uniprot.org/uniprot/ATS13_HUMAN ATS13_HUMAN] Defects in ADAMTS13 are the cause of thrombotic thrombocytopenic purpura congenital (TTP) [MIM:[https://omim.org/entry/274150 274150]; also known as Upshaw-Schulman syndrome (USS). A hematologic disease characterized by hemolytic anemia with fragmentation of erythrocytes, thrombocytopenia, diffuse and non-focal neurologic findings, decreased renal function and fever.<ref>PMID:11586351</ref> <ref>PMID:12181489</ref> <ref>PMID:12393505</ref> <ref>PMID:12614216</ref> <ref>PMID:12753286</ref> <ref>PMID:14512317</ref> <ref>PMID:14563640</ref> <ref>PMID:15126318</ref> <ref>PMID:15009458</ref> <ref>PMID:15327386</ref> <ref>PMID:16160007</ref> <ref>PMID:16453338</ref> <ref>PMID:16796708</ref> <ref>PMID:16449289</ref> <ref>PMID:16807643</ref> <ref>PMID:17003922</ref> <ref>PMID:18443791</ref> <ref>PMID:19055667</ref> <ref>PMID:19116307</ref> <ref>PMID:22075512</ref> 
== Function ==
[https://www.uniprot.org/uniprot/ATS13_HUMAN ATS13_HUMAN] Cleaves the vWF multimers in plasma into smaller forms.
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Platelet recruitment to sites of blood vessel damage is highly dependent upon von Willebrand factor (VWF). VWF platelet-tethering function is proteolytically regulated by the metalloprotease ADAMTS13. Proteolysis depends upon shear-induced conformational changes in VWF that reveal the A2 domain cleavage site. Multiple ADAMTS13 exosite interactions are involved in recognition of the unfolded A2 domain. Here we report through kinetic analyses that, in binding VWF, the ADAMTS13 cysteine-rich and spacer domain exosites bring enzyme and substrate into proximity. Thereafter, binding of the ADAMTS13 disintegrin-like domain exosite to VWF allosterically activates the adjacent metalloprotease domain to facilitate proteolysis. The crystal structure of the ADAMTS13 metalloprotease to spacer domains reveals that the metalloprotease domain exhibits a latent conformation in which the active-site cleft is occluded supporting the requirement for an allosteric change to enable accommodation of the substrate. Our data demonstrate that VWF functions as both the activating cofactor and substrate for ADAMTS13.

Crystal structure and substrate-induced activation of ADAMTS13.,Petri A, Kim HJ, Xu Y, de Groot R, Li C, Vandenbulcke A, Vanhoorelbeke K, Emsley J, Crawley JTB Nat Commun. 2019 Aug 22;10(1):3781. doi: 10.1038/s41467-019-11474-5. PMID:31439947<ref>PMID:31439947</ref>

From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 6qig" style="background-color:#fffaf0;"></div>

==See Also==
*[[A Disintegrin And Metalloproteinase 3D structures|A Disintegrin And Metalloproteinase 3D structures]]
*[[Antibody 3D structures|Antibody 3D structures]]
*[[3D structures of non-human antibody|3D structures of non-human antibody]]
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Rattus norvegicus]]
[[Category: Emsley J]]
[[Category: Kim HJ]]