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-Structure paper
| タイトル | Structural basis of Nuclear Factor 1-X DNA recognition provides prototypic insight into the NFI family. |
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| ジャーナル・号・ページ | Nat Commun, Vol. 16, Issue 1, Page 10170, Year 2025 |
| 掲載日 | 2025年11月19日 |
著者 | Michele Tiberi / Michela Lapi / Louise Jane Gourlay / Antonio Chaves-Sanjuan / Maurizio Polentarutti / Nicola Demitri / Miriam Cavinato / Diane Marie Valérie Bonnet / Valentina Taglietti / Anna Righetti / Rachele Sala / Silvia Cauteruccio / Amit Kumawat / Rosaria Russo / Alberto Giuseppe Barbiroli / Nerina Gnesutta / Carlo Camilloni / Martino Bolognesi / Graziella Messina / Marco Nardini / ![]() |
| PubMed 要旨 | Nuclear Factor I (NFI) proteins are involved in adenovirus DNA replication and regulate gene transcription, stem cell proliferation, and differentiation. They play key roles in development, cancer, ...Nuclear Factor I (NFI) proteins are involved in adenovirus DNA replication and regulate gene transcription, stem cell proliferation, and differentiation. They play key roles in development, cancer, and congenital disorders. Within the NFI family, NFI-X is critical for neural stem cell biology, hematopoiesis, muscle development, muscular dystrophies, and oncogenesis. Here, we present the structural characterization of the NFI transcription factor NFI-X, both alone and bound to its consensus palindromic DNA site. Our analyses reveal a MH1-like fold within NFI-X DNA-binding domain (DBD) and identify crucial structural determinants for activity, such as a Zn²⁺ binding site, dimeric assembly, and DNA-binding specificity. Given the ~85% sequence identity within the NFI DBDs, our structural data are prototypic for the entire family, a NFI Rosetta Stone that allows decoding a wealth of biochemical and functional data and provides a precise target for drug design in a wider disease context. |
リンク | Nat Commun / PubMed:41261119 / PubMed Central |
| 手法 | EM (らせん対称) / X線回折 |
| 解像度 | 2.7 - 3.86 Å |
| 構造データ | EMDB-53223, PDB-9qky: ![]() PDB-7qqd: |
| 化合物 | ![]() ChemComp-ZN: ![]() ChemComp-EPE: ![]() ChemComp-HOH: |
| 由来 |
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キーワード | DNA BINDING PROTEIN / Transcription Factor / NFI / NFIX / NF-1 / TRANSCRIPTION / DNA-binding domain / MH1-like domain / CCCH motif / Zinc ion binding site |
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