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-Structure paper
| タイトル | Cryo-EM of Helical Polymers. |
|---|---|
| ジャーナル・号・ページ | Chem Rev, Vol. 122, Issue 17, Page 14055-14065, Year 2022 |
| 掲載日 | 2022年9月14日 |
著者 | Fengbin Wang / Ordy Gnewou / Armin Solemanifar / Vincent P Conticello / Edward H Egelman / ![]() |
| PubMed 要旨 | While the application of cryogenic electron microscopy (cryo-EM) to helical polymers in biology has a long history, due to the huge number of helical macromolecular assemblies in viruses, bacteria, ...While the application of cryogenic electron microscopy (cryo-EM) to helical polymers in biology has a long history, due to the huge number of helical macromolecular assemblies in viruses, bacteria, archaea, and eukaryotes, the use of cryo-EM to study synthetic soft matter noncovalent polymers has been much more limited. This has mainly been due to the lack of familiarity with cryo-EM in the materials science and chemistry communities, in contrast to the fact that cryo-EM was developed as a biological technique. Nevertheless, the relatively few structures of self-assembled peptide nanotubes and ribbons solved at near-atomic resolution by cryo-EM have demonstrated that cryo-EM should be the method of choice for a structural analysis of synthetic helical filaments. In addition, cryo-EM has also demonstrated that the self-assembly of soft matter polymers has enormous potential for polymorphism, something that may be obscured by techniques such as scattering and spectroscopy. These cryo-EM structures have revealed how far we currently are from being able to predict the structure of these polymers due to their chaotic self-assembly behavior. |
リンク | Chem Rev / PubMed:35133794 / PubMed Central |
| 手法 | EM (らせん対称) |
| 解像度 | 3.4 - 3.8 Å |
| 構造データ | EMDB-24724, PDB-7rx4: EMDB-24725, PDB-7rx5: |
| 由来 |
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キーワード | STRUCTURAL PROTEIN / helical symmetry / peptide nanotube / self-assembly / DE NOVO PROTEIN |
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