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-Structure paper
タイトル | Improving particle quality in cryo-EM analysis using a PEGylation method. |
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ジャーナル・号・ページ | Structure, Vol. 29, Issue 10, Page 1192-11199.e4, Year 2021 |
掲載日 | 2021年10月7日 |
著者 | Zhikuan Zhang / Hideki Shigematsu / Toshiyuki Shimizu / Umeharu Ohto / |
PubMed 要旨 | Cryo-electron microscopy (cryo-EM) is widely used for structural biology studies and has been developed extensively in recent years. However, its sample vitrification process is a major limitation ...Cryo-electron microscopy (cryo-EM) is widely used for structural biology studies and has been developed extensively in recent years. However, its sample vitrification process is a major limitation because it causes severe particle aggregation and/or denaturation. This effect is thought to occur because particles tend to stick to the "deadly" air-water interface during vitrification. Here, we report a method for PEGylation of proteins that can efficiently protect particles against such problems during vitrification. This method alleviates the laborious process of fine-tuning the vitrification conditions, allowing for analysis of samples that would otherwise be discarded. |
リンク | Structure / PubMed:34048698 |
手法 | EM (単粒子) |
解像度 | 2.3 - 3.7 Å |
構造データ | EMDB-30199: EMDB-30200: EMDB-30202: EMDB-30203: EMDB-30204: EMDB-30205: EMDB-30206: EMDB-30207: EMDB-30208: EMDB-30404: EMDB-30405: |
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