6mst

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Current revision (14:44, 13 March 2024) (edit) (undo)
 
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<SX load='6mst' size='340' side='right' viewer='molstar' caption='[[6mst]], [[Resolution|resolution]] 2.70&Aring;' scene=''>
<SX load='6mst' size='340' side='right' viewer='molstar' caption='[[6mst]], [[Resolution|resolution]] 2.70&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[6mst]] is a 12 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=6MST OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=6MST FirstGlance]. <br>
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<table><tr><td colspan='2'>[[6mst]] is a 12 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=6MST OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6MST FirstGlance]. <br>
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</td></tr><tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=6mst FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6mst OCA], [http://pdbe.org/6mst PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6mst RCSB], [http://www.ebi.ac.uk/pdbsum/6mst PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6mst ProSAT]</span></td></tr>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 2.7&#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=6mst FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6mst OCA], [https://pdbe.org/6mst PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6mst RCSB], [https://www.ebi.ac.uk/pdbsum/6mst PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6mst ProSAT]</span></td></tr>
</table>
</table>
== Disease ==
== Disease ==
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[[http://www.uniprot.org/uniprot/SAA1_HUMAN SAA1_HUMAN]] Secondary amyloidosis. Reactive, secondary amyloidosis is characterized by the extracellular accumulation in various tissues of the SAA1 protein. These deposits are highly insoluble and resistant to proteolysis; they disrupt tissue structure and compromise function. Elevated serum SAA1 protein levels may be associated with lung cancer.
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[https://www.uniprot.org/uniprot/SAA1_HUMAN SAA1_HUMAN] Secondary amyloidosis. Reactive, secondary amyloidosis is characterized by the extracellular accumulation in various tissues of the SAA1 protein. These deposits are highly insoluble and resistant to proteolysis; they disrupt tissue structure and compromise function. Elevated serum SAA1 protein levels may be associated with lung cancer.
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/SAA1_HUMAN SAA1_HUMAN]] Major acute phase reactant. Apolipoprotein of the HDL complex.
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[https://www.uniprot.org/uniprot/SAA1_HUMAN SAA1_HUMAN] Major acute phase reactant. Apolipoprotein of the HDL complex.
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Systemic AA amyloidosis is a worldwide occurring protein misfolding disease of humans and animals. It arises from the formation of amyloid fibrils from the acute phase protein serum amyloid A. Here, we report the purification and electron cryo-microscopy analysis of amyloid fibrils from a mouse and a human patient with systemic AA amyloidosis. The obtained resolutions are 3.0 A and 2.7 A for the murine and human fibril, respectively. The two fibrils differ in fundamental properties, such as presence of right-hand or left-hand twisted cross-beta sheets and overall fold of the fibril proteins. Yet, both proteins adopt highly similar beta-arch conformations within the N-terminal ~21 residues. Our data demonstrate the importance of the fibril protein N-terminus for the stability of the analyzed amyloid fibril morphologies and suggest strategies of combating this disease by interfering with specific fibril polymorphs.
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Cryo-EM fibril structures from systemic AA amyloidosis reveal the species complementarity of pathological amyloids.,Liberta F, Loerch S, Rennegarbe M, Schierhorn A, Westermark P, Westermark GT, Hazenberg BPC, Grigorieff N, Fandrich M, Schmidt M Nat Commun. 2019 Mar 7;10(1):1104. doi: 10.1038/s41467-019-09033-z. PMID:30846696<ref>PMID:30846696</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 6mst" style="background-color:#fffaf0;"></div>
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== References ==
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<references/>
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__TOC__
__TOC__
</SX>
</SX>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Fandrich, M]]
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[[Category: Fandrich M]]
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[[Category: Grigorieff, N]]
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[[Category: Grigorieff N]]
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[[Category: Liberta, F]]
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[[Category: Liberta F]]
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[[Category: Loerch, S]]
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[[Category: Loerch S]]
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[[Category: Rennegarbe, M]]
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[[Category: Rennegarbe M]]
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[[Category: Schmidt, M]]
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[[Category: Schmidt M]]
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[[Category: Aa-amyloidosis]]
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[[Category: Cross-beta]]
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[[Category: Helical]]
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[[Category: Protein fibril]]
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[[Category: Serum amyloid some]]
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Current revision

Cryo-EM structure of human AA amyloid fibril

6mst, resolution 2.70Å

Proteopedia Page Contributors and Editors (what is this?)

OCA

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