1yjo

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==Structure of NNQQNY from yeast prion Sup35 with zinc acetate==
==Structure of NNQQNY from yeast prion Sup35 with zinc acetate==
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<StructureSection load='1yjo' size='340' side='right' caption='[[1yjo]], [[Resolution|resolution]] 1.30&Aring;' scene=''>
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<StructureSection load='1yjo' size='340' side='right'caption='[[1yjo]], [[Resolution|resolution]] 1.30&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[1yjo]] is a 1 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1YJO OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1YJO FirstGlance]. <br>
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<table><tr><td colspan='2'>[[1yjo]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Saccharomyces_cerevisiae_S288C Saccharomyces cerevisiae S288C]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1YJO OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1YJO FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ACY:ACETIC+ACID'>ACY</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></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">X-ray diffraction, [[Resolution|Resolution]] 1.3&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1yjp|1yjp]]</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=ACY:ACETIC+ACID'>ACY</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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<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=1yjo FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1yjo OCA], [http://pdbe.org/1yjo PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1yjo RCSB], [http://www.ebi.ac.uk/pdbsum/1yjo PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=1yjo ProSAT]</span></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=1yjo FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1yjo OCA], [https://pdbe.org/1yjo PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1yjo RCSB], [https://www.ebi.ac.uk/pdbsum/1yjo PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1yjo ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/ERF3_YEAST ERF3_YEAST]] Involved in translation termination. Stimulates the activity of ERF1. Binds guanine nucleotides. Recruited by polyadenylate-binding protein PAB1 to poly(A)-tails of mRNAs. Interaction with PAB1 is also required for regulation of normal mRNA decay through translation termination-coupled poly(A) shortening.<ref>PMID:7556078</ref> <ref>PMID:12923185</ref> <ref>PMID:15337765</ref>
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[https://www.uniprot.org/uniprot/ERF3_YEAST ERF3_YEAST] Involved in translation termination. Stimulates the activity of ERF1. Binds guanine nucleotides. Recruited by polyadenylate-binding protein PAB1 to poly(A)-tails of mRNAs. Interaction with PAB1 is also required for regulation of normal mRNA decay through translation termination-coupled poly(A) shortening.<ref>PMID:7556078</ref> <ref>PMID:12923185</ref> <ref>PMID:15337765</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Numerous soluble proteins convert to insoluble amyloid-like fibrils that have common properties. Amyloid fibrils are associated with fatal diseases such as Alzheimer's, and amyloid-like fibrils can be formed in vitro. For the yeast protein Sup35, conversion to amyloid-like fibrils is associated with a transmissible infection akin to that caused by mammalian prions. A seven-residue peptide segment from Sup35 forms amyloid-like fibrils and closely related microcrystals, from which we have determined the atomic structure of the cross-beta spine. It is a double beta-sheet, with each sheet formed from parallel segments stacked in register. Side chains protruding from the two sheets form a dry, tightly self-complementing steric zipper, bonding the sheets. Within each sheet, every segment is bound to its two neighbouring segments through stacks of both backbone and side-chain hydrogen bonds. The structure illuminates the stability of amyloid fibrils, their self-seeding characteristic and their tendency to form polymorphic structures.
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Structure of the cross-beta spine of amyloid-like fibrils.,Nelson R, Sawaya MR, Balbirnie M, Madsen AO, Riekel C, Grothe R, Eisenberg D Nature. 2005 Jun 9;435(7043):773-8. PMID:15944695<ref>PMID:15944695</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 1yjo" style="background-color:#fffaf0;"></div>
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==See Also==
==See Also==
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*[[Prion|Prion]]
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*[[Prion 3D structures|Prion 3D structures]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Balbirnie, M]]
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[[Category: Large Structures]]
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[[Category: Eisenberg, D]]
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[[Category: Saccharomyces cerevisiae S288C]]
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[[Category: Grothe, R]]
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[[Category: Balbirnie M]]
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[[Category: Madsen, A O]]
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[[Category: Eisenberg D]]
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[[Category: Nelson, R]]
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[[Category: Grothe R]]
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[[Category: Riekel, C]]
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[[Category: Madsen AO]]
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[[Category: Sawaya, M R]]
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[[Category: Nelson R]]
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[[Category: Asparagine zipper]]
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[[Category: Riekel C]]
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[[Category: Glutamine zipper]]
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[[Category: Sawaya MR]]
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[[Category: Keywords beta sheet]]
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[[Category: Protein binding]]
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[[Category: Steric zipper]]
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Current revision

Structure of NNQQNY from yeast prion Sup35 with zinc acetate

PDB ID 1yjo

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