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-Structure paper
| タイトル | Design of light- and chemically responsive protein assemblies through host-guest interactions. |
|---|---|
| ジャーナル・号・ページ | Chem, Vol. 11, Issue 6, Year 2025 |
| 掲載日 | 2025年6月12日 |
著者 | Zhiyin Zhang / Huat T Chiang / Ying Xia / Nicole Avakyan / Ravi R Sonani / Fengbin Wang / Edward H Egelman / James J De Yoreo / Lilo D Pozzo / F Akif Tezcan / ![]() |
| PubMed 要旨 | Host-guest interactions have been widely used to build responsive materials and molecular machines owing to their inherently dynamic nature, interaction specificity, and responsiveness to diverse ...Host-guest interactions have been widely used to build responsive materials and molecular machines owing to their inherently dynamic nature, interaction specificity, and responsiveness to diverse stimuli. Here we have set out to exploit these advantages of host-guest chemistry in the design of dynamic protein assemblies, using a symmetric protein, RhuA, as a building block. We show that RhuA variant individually modified with β-cyclodextrin (βCD) (host) or azobenzene (guest) functionalities can specifically pair with each other to form highly ordered 1- and 2-D assemblies. Association and dissociation RhuA-RhuA assemblies can be controlled by UV and visible light as well as by small-molecule modulators of βCD-azobenzene interactions. Kinetics analyses reveal that RhuA-RhuA nanotubes assemble without a nucleation barrier, a highly unusual occurrence for helical supramolecular systems. Taken together, our findings provide a compelling example for achieving complex structural and dynamic outcomes in protein assembly through simple chemical design. |
リンク | Chem / PubMed:40862094 / PubMed Central |
| 手法 | EM (らせん対称) / EM (単粒子) |
| 解像度 | 3.03 - 7.8 Å |
| 構造データ | ![]() EMDB-46767: azoRhuA-bCDRhuA co-assembled nanotubes, 10-start ![]() EMDB-46768: azoRhuA-bCDRhuA co-assembled nanotubes, 11-start ![]() EMDB-46769: azoRhuA-bCDRhuA co-assembled nanotubes, 12-start EMDB-46826, PDB-9dgh: |
| 化合物 | ![]() ChemComp-ZN: ![]() PDB-1a4g: |
| 由来 |
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キーワード | LYASE / Assembly |
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