7jqs

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'''Unreleased structure'''
 
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The entry 7jqs is ON HOLD
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==Abeta 16-36 beta-hairpin mimic with E22delta Osaka mutation==
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<StructureSection load='7jqs' size='340' side='right'caption='[[7jqs]], [[Resolution|resolution]] 2.13&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[7jqs]] is a 1 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=7JQS OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7JQS FirstGlance]. <br>
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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]] 2.127&#8491;</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=MEA:N-METHYLPHENYLALANINE'>MEA</scene>, <scene name='pdbligand=ORN:L-ORNITHINE'>ORN</scene></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=7jqs FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7jqs OCA], [https://pdbe.org/7jqs PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7jqs RCSB], [https://www.ebi.ac.uk/pdbsum/7jqs PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7jqs ProSAT]</span></td></tr>
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</table>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Familial Alzheimer's disease (FAD) is associated with mutations in the beta-amyloid peptide (Abeta) or the amyloid precursor protein (APP). FAD mutations of Abeta were incorporated into a macrocyclic peptide that mimics a beta-hairpin to study FAD point mutations K16N, A21G, E22Delta, E22G, E22Q, E22K, and L34V and their effect on assembly, membrane destabilization, and cytotoxicity. The X-ray crystallographic structures of the four E22 mutant peptides reveal that the peptides assemble to form the same compact hexamer. Sodium dodecyl sulphate-polyacrylamide gel electrophoresis (SDS-PAGE) experiments reveal that the mutant FAD peptides assemble as trimers or hexamers, with peptides that have greater positive charge assembling as more stable hexamers. Mutations that increase the positive charge also increase the cytotoxicity of the peptides and their propensity to destabilize lipid membranes.
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Authors: Kreutzer, A.G., McKnelly, K.J., Nowick, J.S.
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Effects of Familial Alzheimer's Disease Mutations on the Assembly of a beta-Hairpin Peptide Derived from Abeta16-36.,McKnelly KJ, Kreutzer AG, Howitz WJ, Haduong K, Yoo S, Hart C, Nowick JS Biochemistry. 2022 Mar 15;61(6):446-454. doi: 10.1021/acs.biochem.1c00664. Epub, 2022 Feb 25. PMID:35213141<ref>PMID:35213141</ref>
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Description: Abeta 16-36 beta-hairpin mimic with E22delta Osaka mutation
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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[[Category: Unreleased Structures]]
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</div>
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[[Category: Nowick, J.S]]
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<div class="pdbe-citations 7jqs" style="background-color:#fffaf0;"></div>
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[[Category: Kreutzer, A.G]]
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== References ==
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[[Category: Mcknelly, K.J]]
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Homo sapiens]]
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[[Category: Large Structures]]
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[[Category: Kreutzer AG]]
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[[Category: McKnelly KJ]]
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[[Category: Nowick JS]]

Current revision

Abeta 16-36 beta-hairpin mimic with E22delta Osaka mutation

PDB ID 7jqs

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