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-Structure paper
タイトル | Polymorphic Protective Dps-DNA Co-Crystals by Cryo Electron Tomography and Small Angle X-Ray Scattering. |
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ジャーナル・号・ページ | Biomolecules, Vol. 10, Issue 1, Year 2019 |
掲載日 | 2019年12月26日 |
著者 | Roman Kamyshinsky / Yury Chesnokov / Liubov Dadinova / Andrey Mozhaev / Ivan Orlov / Maxim Petoukhov / Anton Orekhov / Eleonora Shtykova / Alexander Vasiliev / |
PubMed 要旨 | Rapid increase of intracellular synthesis of specific histone-like Dps protein that binds DNA to protect the genome against deleterious factors leads to in cellulo crystallization-one of the most ...Rapid increase of intracellular synthesis of specific histone-like Dps protein that binds DNA to protect the genome against deleterious factors leads to in cellulo crystallization-one of the most curious processes in the area of life science at the moment. However, the actual structure of the Dps-DNA co-crystals remained uncertain in the details for more than two decades. Cryo-electron tomography and small-angle X-ray scattering revealed polymorphous modifications of the co-crystals depending on the buffer parameters. Two different types of the Dps-DNA co-crystals are formed in vitro: triclinic and cubic. Three-dimensional reconstruction revealed DNA and Dps molecules in cubic co-crystals, and the unit cell parameters of cubic lattice were determined consistently by both methods. |
リンク | Biomolecules / PubMed:31888079 / PubMed Central |
手法 | EM (サブトモグラム平均) |
解像度 | 13.7 Å |
構造データ | EMDB-10286: |
由来 |
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