相关实验视频
Updated: Jul 4, 2025

13:00
Engineering Antiviral Agents via Surface Plasmon Resonance
Published on: June 14, 2022
2.3K
冠状病毒尖端蛋白和人类ACE2受体之间的结合亲和力
Marcus Ho-Hin Shum1,2,3, Yang Lee2,4, Leighton Tam2,3
1State Key Laboratory of Emerging Infectious Diseases, The University of Hong Kong, Hong Kong, China.
Computational and structural biotechnology journal
|February 2, 2024
概括
冠状病毒 (CoV) 构成全球健康风险. 研究CoV尖端蛋白与人类ACE2受体的结合亲和力是防止未来流行病的关键.
科学领域:
- 病毒学 病毒学
- 生物化学 生化学
- 计算生物学 计算生物学
背景情况:
- 冠状病毒 (CoV) 由于动物传染性溢出潜力,对公共卫生构成重大威胁.
- 冠状病毒尖端蛋白对于病毒进入至关重要,它通过介导与宿主细胞受体结合,如人类ACE2 (hACE2).
- 了解 CoV 尖端蛋白和 hACE2 相互作用对于疫情准备至关重要.
研究的目的:
- 审查和比较研究CoV尖端蛋白和haCE2受体之间的结合相互作用的方法.
- 评估各种定量和定性约束性亲缘关系评估技术的优点和局限性.
- 突出计算和机器学习方法在预测Cov-hACE2结合中的作用.
主要方法:
- 使用固相酶免疫试验和细胞结合试验进行定性评估.
- 通过表面等离子共振 (SPR),生物层干扰测量 (BLI) 和微尺度热泳 (MST) 测量定量亲和力,以确定解离常数 (KD).
- 包括结构建模,蛋白质-蛋白质对接和结合能量计算在内的In silico方法,以及利用交互数据的机器学习和深度学习模型.
主要成果:
- 定性测试提供了具有约束力的评估,但缺乏精确的亲和度量化.
- SPR,BLI和MST提供准确的平衡分离常数 (KD) 测量.
- 在 silico 建模中,由于标准化问题,产生了可变的结果,而 ML/DL 模型确定了关键的结合残留物.
结论:
- 结合性亲和度测量技术的标准化和优化对于提高流行病准备能力至关重要.
- 优先监测能够与人类受体结合的冠状病毒,可以减轻动物传染病溢出风险.
- 准确地描述Cov-hACE2相互作用对于开发对抗潜在的流行病威胁的对策至关重要.
更多相关视频
08:07Author Spotlight: Advancing Antiviral Strategies Through Novel Immunocapture and Mass Spectrometry Techniques
Published on: January 12, 2024
731
06:39High-throughput Confocal Imaging of Quantum Dot-Conjugated SARS-CoV-2 Spike Trimers to Track Binding and Endocytosis in HEK293T Cells
Published on: April 21, 2022
3.1K
相关概念视频
Affinity and Avidity
36.0K
Overview
36.0K
Conjugated Proteins
18.3K
Simple proteins and protein complexes contain only amino acids. In contrast, many other proteins, called conjugated proteins, covalently bond with non-protein moieties.
Nucleoproteins are protein complexes that contain nucleic acids, categorized as deoxyribonucleoproteins (DNPs) or ribonucleoproteins (RNPs) respectively. The nucleosome is a typical example of a DNP where nuclear DNA is associated with histone proteins. The major antigen for the Covid-19 virus SARS-CoV is an RNP that is critical...
Nucleoproteins are protein complexes that contain nucleic acids, categorized as deoxyribonucleoproteins (DNPs) or ribonucleoproteins (RNPs) respectively. The nucleosome is a typical example of a DNP where nuclear DNA is associated with histone proteins. The major antigen for the Covid-19 virus SARS-CoV is an RNP that is critical...
18.3K