协议使用蛋白质语言模型预测和实验验证后提胺-N-糖氨酸酶的功能增强变体
Yan He1, Xibin Zhou2, Fajie Yuan2
1School of Medicine, Westlake University, Hangzhou, Zhejiang 310014, China; School of Life Sciences, Westlake University, Hangzhou, Zhejiang 310014, China; Research Center for Industries of the Future (RCIF), Westlake University, Hangzhou, Zhejiang 310014, China; Institute of Basic Medical Sciences, Westlake Institute for Advanced Study, Hangzhou, Zhejiang 310014, China; Westlake Center for Genome Editing, Westlake Laboratory of Life Sciences and Biomedicine, Westlake University, 18 Shilongshan Road, Hangzhou, Zhejiang 310024, China.
蛋白质语言模型 (PLMs) 优化蒂胺-DNA-糖酶 (TDG) 以提高基因编辑. 该协议简化了酶工程,通过减少实验力度改善了活性.
科学领域:
- 生物化学 生物化学
- 分子生物学分子生物学
- 生物信息学是一种生物信息学.
背景情况:
- 蛋白质语言模型 (PLM) 是用于分析蛋白质序列的先进机器学习工具.
- PLM可以预测氨基酸功能,使蛋白质工程没有先前的功能知识.
- 乙胺-DNA-糖酶 (TDG) 是DNA修复和基因编辑中的一个关键酶.
研究的目的:
- 通过蛋白质语言模型 (PLM) 提出一种优化丁氨酸-DNA-糖化酶 (TDG) 的协议.
- 展示一种精简的方法来设计具有增强活性的基因编辑工具.
- 为了最大限度地减少酶优化过程中的实验工作量.
主要方法:
- 使用PLM的"零射击"酶优化.
- 构建用于基因表达的专门等离子体.
- 双等离子体转化为高效的交付.
- 高通量测序和全面的数据分析.
主要成果:
- 使用PLM成功优化了TDG.
- 展示了一种有效的基因编辑工具工程协议.
- 提高酶活性和减少实验负担的潜力.
结论:
- 提出的协议为通过PLM优化TDG提供了一种有希望的方法.
- 这种方法可以显著简化基因编辑技术的工程.
- 该方法增强了酶活性,同时最大限度地减少了实验工作量.
更多相关视频
11:49A Novel Saturation Mutagenesis Approach: Single Step Characterization of Regulatory Protein Binding Sites in RNA Using Phosphorothioates
Published on: August 21, 2018
11:08Proofreading and DNA Repair Assay Using Single Nucleotide Extension and MALDI-TOF Mass Spectrometry Analysis
Published on: June 19, 2018
相关概念视频
Improving Translational Accuracy
Translesion DNA Polymerases
TLS polymerases are found in all three domains of life - archaea, bacteria, and eukaryotes. Of the different classes of TLS polymerases, members of the Y family are fitted with specialized structures that...
Transfer RNA Synthesis
Each of these chemical modifications is carried by a specific enzyme, post-transcription. All of these enzymes have unique base and site-specificity. Methylation, the most common chemical modification, is carried by at least nine different enzymes, with...
Leaky Scanning
Proofreading
Errors During Replication are Corrected by the DNA Polymerase...
Translation
Translation Produces the Building Blocks of Life
Proteins are...
