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==Structure of NNQQ Peptide from Yeast Prion SUP35==
==Structure of NNQQ Peptide from Yeast Prion SUP35==
<StructureSection load='2olx' size='340' side='right' caption='[[2olx]], [[Resolution|resolution]] 1.42&Aring;' scene=''>
<StructureSection load='2olx' size='340' side='right'caption='[[2olx]], [[Resolution|resolution]] 1.42&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[2olx]] is a 1 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2OLX OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2OLX FirstGlance]. <br>
<table><tr><td colspan='2'>[[2olx]] is a 1 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2OLX OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2OLX FirstGlance]. <br>
</td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1yjp|1yjp]], [[1yjo|1yjo]], [[2okz|2okz]], [[2ol9|2ol9]]</td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.42&#8491;</td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2olx FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2olx OCA], [http://pdbe.org/2olx PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=2olx RCSB], [http://www.ebi.ac.uk/pdbsum/2olx PDBsum]</span></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=2olx FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2olx OCA], [https://pdbe.org/2olx PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2olx RCSB], [https://www.ebi.ac.uk/pdbsum/2olx PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2olx ProSAT]</span></td></tr>
</table>
</table>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Amyloid fibrils formed from different proteins, each associated with a particular disease, contain a common cross-beta spine. The atomic architecture of a spine, from the fibril-forming segment GNNQQNY of the yeast prion protein Sup35, was recently revealed by X-ray microcrystallography. It is a pair of beta-sheets, with the facing side chains of the two sheets interdigitated in a dry 'steric zipper'. Here we report some 30 other segments from fibril-forming proteins that form amyloid-like fibrils, microcrystals, or usually both. These include segments from the Alzheimer's amyloid-beta and tau proteins, the PrP prion protein, insulin, islet amyloid polypeptide (IAPP), lysozyme, myoglobin, alpha-synuclein and beta(2)-microglobulin, suggesting that common structural features are shared by amyloid diseases at the molecular level. Structures of 13 of these microcrystals all reveal steric zippers, but with variations that expand the range of atomic architectures for amyloid-like fibrils and offer an atomic-level hypothesis for the basis of prion strains.
Atomic structures of amyloid cross-beta spines reveal varied steric zippers.,Sawaya MR, Sambashivan S, Nelson R, Ivanova MI, Sievers SA, Apostol MI, Thompson MJ, Balbirnie M, Wiltzius JJ, McFarlane HT, Madsen AO, Riekel C, Eisenberg D Nature. 2007 May 24;447(7143):453-7. Epub 2007 Apr 29. PMID:17468747<ref>PMID:17468747</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 2olx" style="background-color:#fffaf0;"></div>


==See Also==
==See Also==
*[[Prion|Prion]]
*[[Prion 3D structures|Prion 3D structures]]
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Eisenberg, D]]
[[Category: Large Structures]]
[[Category: Nelson, R]]
[[Category: Eisenberg D]]
[[Category: Sawaya, M R]]
[[Category: Nelson R]]
[[Category: Asparagine zipper]]
[[Category: Sawaya MR]]
[[Category: Glutamine zipper]]
[[Category: Polar zipper]]
[[Category: Protein fibril]]
[[Category: Steric zipper]]

Latest revision as of 06:29, 3 April 2024

Structure of NNQQ Peptide from Yeast Prion SUP35

2olx, resolution 1.42Å

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