对SARS-CoV-2变种的持续拓拉普拉斯分析
Xiaoqi Wei1, Jiahui Chen1, Guo-Wei Wei1,2,3
1Department of Mathematics, Michigan State University, MI 48824, USA.
Journal of computational biophysics and chemistry
|October 13, 2023
概括
持久拓拉普拉西安 (PTLs) 与持久同质相比,提供了对蛋白质结构的增强分析. 这种新的拓数据分析工具有效地模拟了SARS-CoV-2变种突变和结合相互作用.
科学领域:
- 数学和数据科学 数学和数据科学
- 计算生物学 计算生物学
- 结构生物信息学 结构生物信息学
背景情况:
- 拓数据分析 (TDA) 和持久同质是分析复杂数据的强大工具.
- 持久的同质性在处理异质数据和定量结构变化方面存在局限性.
- 为了解决这些局限性,开发了持久拓拉普拉西亚 (PTLs).
研究的目的:
- 评估PTLs对SARS-CoV-2尖端受体结合域 (RBD) 蛋白质结构的建模和分析能力.
- 为了研究PTL如何捕获突变诱导的RBD-ACE2结合复合物的结构变化跨变体.
- 探索PTL在拓深度学习中的应用,并预测深度突变扫描数据.
主要方法:
- 应用持久拓拉普拉西亚 (PTLs) 来分析蛋白质结构.
- 对PTLs进行光谱分析,以研究SARS-CoV-2变异的结构变化.
- 整合PTLs与拓深度学习用于预测建模.
主要成果:
- 在RBD-ACE2结合复合体中,PTL有效捕获突变诱导的结构变化.
- PTLs的光谱变化与SARS-CoV-2变种的结构变化相关.
- 对于蛋白质结构分析来说,PTLs表现出了比持久性同质性优势.
结论:
- PTLs为了解蛋白质结构动态提供了一个强大的新型拓数据分析工具.
- 这种方法增强了SARS-CoV-2变体及其结合相互作用的分析.
- 在生物信息学中,PTL为定量和定性结构分析提供了卓越的能力.
相关概念视频
Region of Convergence of Laplace Tarnsform
563
The Region of Convergence (ROC) is a fundamental concept in signal processing and system analysis, particularly associated with the Laplace transform. The ROC represents an area in the complex plane where the Laplace transform of a given signal converges, determining the transform's applicability and utility.
Consider a decaying exponential signal that begins at a specific time. When deriving its Laplace transform, the time-domain variable is replaced with a complex variable. This...
Consider a decaying exponential signal that begins at a specific time. When deriving its Laplace transform, the time-domain variable is replaced with a complex variable. This...
563
Single Nucleotide Polymorphisms-SNPs
15.2K
A single nucleotide polymorphism or SNP is a single nucleotide variation at a specific genomic position in a large population. It is the most prevalent type of sequence variation found in the human genome. Point mutations that occur in more than 1% of the population qualify as SNPs. These are present once every 1000 nucleotides on an average in the human genome. Replacement of a purine with another purine (A/G) or a pyrimidine with another pyrimidine (C/T) is known as a transition. In contrast,...
15.2K
Second Derivatives and Laplace Operator
1.3K
The first order operators using the del operator include the gradient, divergence and curl. Certain combinations of first order operators on a scalar or vector function yield second order expressions. Second-order expressions play a very important role in mathematics and physics. Some second order expressions include the divergence and curl of a gradient function, the divergence and curl of a curl function, and the gradient of a divergence function.
Consider a scalar function. The curl of its...
Consider a scalar function. The curl of its...
1.3K
Size and Structure of Viral Genomes
40
Viral genomes exhibit remarkable diversity in size, structure, and composition, influencing their replication strategies and interactions with host cells. These genomes consist of either DNA or RNA and may be linear or circular. Additionally, they can be single-stranded or double-stranded, with each configuration affecting how the virus propagates within a host. RNA viruses, for instance, generally have smaller genomes than DNA viruses, a factor that contributes to their high mutation rates and...
40
Comparing Copy Number Variations and SNPs
17.7K
Sequencing of the human genome has opened up several best-kept secrets of the genome. Scientists have identified thousands of genome variations that exist within a population. These variations can be a single nucleotide or a larger chromosomal variation.
Copy number variations or CNVs are the structural variations that cover more than 1kb of DNA sequence. The single nucleotide polymorphism (SNP), on the other hand, is a single nucleotide change or a point mutation that is found in more than 1%...
Copy number variations or CNVs are the structural variations that cover more than 1kb of DNA sequence. The single nucleotide polymorphism (SNP), on the other hand, is a single nucleotide change or a point mutation that is found in more than 1%...
17.7K
Three-Dimensional Analysis of Strain
224
Three-dimensional strain analysis is crucial for understanding how materials deform under stress, particularly in elastic, homogeneous materials. This method employs principal stress axes to simplify complex stress states into more understandable forms. Subjected to stress, a small cubic element within a material either expands or contracts along these axes, transforming into a rectangular parallelepiped. This transformation effectively illustrates the material's deformation. The principal...
224


