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-Structure paper
| タイトル | Structure of AP205 Coat Protein Reveals Circular Permutation in ssRNA Bacteriophages. |
|---|---|
| ジャーナル・号・ページ | J Mol Biol, Vol. 428, Issue 21, Page 4267-4279, Year 2016 |
| 掲載日 | 2016年10月23日 |
著者 | Mihails Shishovs / Janis Rumnieks / Christoph Diebolder / Kristaps Jaudzems / Loren B Andreas / Jan Stanek / Andris Kazaks / Svetlana Kotelovica / Inara Akopjana / Guido Pintacuda / Roman I Koning / Kaspars Tars / ![]() |
| PubMed 要旨 | AP205 is a single-stranded RNA bacteriophage that has a coat protein sequence not similar to any other known single-stranded RNA phage. Here, we report an atomic-resolution model of the AP205 virus- ...AP205 is a single-stranded RNA bacteriophage that has a coat protein sequence not similar to any other known single-stranded RNA phage. Here, we report an atomic-resolution model of the AP205 virus-like particle based on a crystal structure of an unassembled coat protein dimer and a cryo-electron microscopy reconstruction of the assembled particle, together with secondary structure information from site-specific solid-state NMR data. The AP205 coat protein dimer adopts the conserved Leviviridae coat protein fold except for the N-terminal region, which forms a beta-hairpin in the other known single-stranded RNA phages. AP205 has a similar structure at the same location formed by N- and C-terminal beta-strands, making it a circular permutant compared to the other coat proteins. The permutation moves the coat protein termini to the most surface-exposed part of the assembled particle, which explains its increased tolerance to long N- and C-terminal fusions. |
リンク | J Mol Biol / PubMed:27591890 |
| 手法 | EM (単粒子) / X線回折 |
| 解像度 | 1.73 - 6.0 Å |
| 構造データ | EMDB-4098: Cryo-EM reconstruction of bacteriophage AP205 virus-like particles ![]() PDB-5fs4: |
| 化合物 | ![]() ChemComp-HOH: |
| 由来 |
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キーワード | VIRAL PROTEIN / SMALL RNA PHAGE / COAT PROTEIN / AP205 / VIRUS LIKE PARTICLE / RNA bacteriophage / Leviviridae / virus-like particle |
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acinetobacter phage ap205 (ファージ)
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