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-Structure paper
| タイトル | Architecture and modular assembly of S-layers revealed by electron cryotomography. |
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| ジャーナル・号・ページ | Proc Natl Acad Sci U S A, Vol. 116, Issue 50, Page 25278-25286, Year 2019 |
| 掲載日 | 2019年12月10日 |
著者 | Lavinia Gambelli / Benjamin H Meyer / Mathew McLaren / Kelly Sanders / Tessa E F Quax / Vicki A M Gold / Sonja-Verena Albers / Bertram Daum / ![]() |
| PubMed 要旨 | Surface protein layers (S-layers) often form the only structural component of the archaeal cell wall and are therefore important for cell survival. S-layers have a plethora of cellular functions ...Surface protein layers (S-layers) often form the only structural component of the archaeal cell wall and are therefore important for cell survival. S-layers have a plethora of cellular functions including maintenance of cell shape, osmotic, and mechanical stability, the formation of a semipermeable protective barrier around the cell, and cell-cell interaction, as well as surface adhesion. Despite the central importance of S-layers for archaeal life, their 3-dimensional (3D) architecture is still poorly understood. Here we present detailed 3D electron cryomicroscopy maps of archaeal S-layers from 3 different strains. We were able to pinpoint the positions and determine the structure of the 2 subunits SlaA and SlaB. We also present a model describing the assembly of the mature S-layer. |
リンク | Proc Natl Acad Sci U S A / PubMed:31767763 / PubMed Central |
| 手法 | EM (サブトモグラム平均) |
| 解像度 | 16.0 - 56.0 Å |
| 構造データ | ![]() EMDB-10444: ![]() EMDB-10445: ![]() EMDB-10459: ![]() EMDB-10460: |
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Sulfolobus acidocaldarius (好気性・好酸性)