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-Structure paper
| タイトル | Cryo-EM Resolves Molecular Recognition Of An Optojasp Photoswitch Bound To Actin Filaments In Both Switch States. |
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| ジャーナル・号・ページ | Angew Chem Int Ed Engl, Vol. 60, Issue 16, Page 8678-8682, Year 2021 |
| 掲載日 | 2021年4月12日 |
著者 | Sabrina Pospich / Florian Küllmer / Veselin Nasufović / Johanna Funk / Alexander Belyy / Peter Bieling / Hans-Dieter Arndt / Stefan Raunser / ![]() |
| PubMed 要旨 | Actin is essential for key processes in all eukaryotic cells. Cellpermeable optojasps provide spatiotemporal control of the actin cytoskeleton, confining toxicity and potentially rendering F-actin ...Actin is essential for key processes in all eukaryotic cells. Cellpermeable optojasps provide spatiotemporal control of the actin cytoskeleton, confining toxicity and potentially rendering F-actin druggable by photopharmacology. Here, we report cryo electron microscopy (cryo-EM) structures of both isomeric states of one optojasp bound to actin filaments. The high-resolution structures reveal for the first time the pronounced effects of photoswitching a functionalized azobenzene. By characterizing the optojasp binding site and identifying conformational changes within F-actin that depend on the optojasp isomeric state, we refine determinants for the design of functional F-actin photoswitches. |
リンク | Angew Chem Int Ed Engl / PubMed:33449370 / PubMed Central |
| 手法 | EM (らせん対称) / EM (単粒子) |
| 解像度 | 2.9 - 3.6 Å |
| 構造データ | EMDB-11787, PDB-7ahn: EMDB-11790, PDB-7ahq: |
| 化合物 | ![]() ChemComp-ADP: ![]() ChemComp-MG: ![]() ChemComp-PO4: ![]() ChemComp-RLZ: |
| 由来 |
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キーワード | STRUCTURAL PROTEIN / Cytoskeleton / jasplakinolide / azobenzene photoswitch / stabilized-actin filament |
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