结构-调整Viewer:关于对结构意识调整的信心评估
Ashar J Malik1,2,3, Siying Mao1,2, Philip Hugenholtz1,2
1School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Australia.
Genome biology and evolution
|January 13, 2026
概括
蛋白质结构比较揭示了序列分析错过的进化联系. 一个新的工具,Structome-AlignViewer,使用空间映射和可靠进化研究的信心评分来评估对齐质量.
科学领域:
- 计算生物学 计算生物学
- 结构生物信息学 结构生物信息学
- 进化生物学 进化生物学
背景情况:
- 蛋白质结构比较提供了比基于序列的方法更深入的进化见解.
- 结构感知字母简化了3D蛋白质结构到可比的字符串.
- 在调整不同的蛋白质结构方面存在挑战,导致错位.
研究的目的:
- 介绍Structome-AlignViewer,这是一个用于评估结构意识对齐质量的网络资源.
- 为空间绘图和对齐的定量信心评分提供工具.
- 支持对蛋白质结构的强有力的比较和进化分析.
主要方法:
- 将3D蛋白质结构编码为简化,结构意识的字符串.
- 开发对准列对蛋白质结构的空间映射.
- 基于对对结构替代和规范化的计算信心评分.
主要成果:
- 结构-AlignViewer 允许视觉和定量评估对齐质量.
- 信任度评分突出显示了得到良好支持的对齐列.
- 对现有结构分类的分析提供了对调整质量的实证基准.
结论:
- Structome-AlignViewer提供了一种可解释的方法来评估结构对齐质量.
- 该工具有助于改进对准,排除缺口丰富的地区,以专注于保存的核心.
- 结构对齐质量的提高促进了更强大的进化和比较分析.
相关概念视频
Stability of structures
450
In mechanical engineering, the stability of systems under various forces is critical for designing durable and efficient structures. One fundamental way to explore these concepts is by analyzing systems like two rods connected at a pivot point, O, with a torsional spring of spring constant k at the pivot point. This system is similar in appearance to a scissor jack used to change tires on a car. In this case, the arms of the linkage (equivalent to the rods in this system) are entirely vertical,...
450
Structural Classification of Joints
6.9K
Joints, also known as articulations, are classified based on their structural characteristics, i.e., based on whether the articulating surfaces of the adjacent bones are directly connected by fibrous connective tissue or cartilage, or whether the articulating surfaces contact each other within a fluid-filled joint cavity. These differences serve to divide the joints of the body into three structural classifications.
A fibrous joint is where the adjacent bones are united by fibrous connective...
A fibrous joint is where the adjacent bones are united by fibrous connective...
6.9K
Confidence Coefficient
10.4K
The confidence coefficient is also known as the confidence level or degree of confidence. It is the percent expression for the probability, 1-α, that the confidence interval contains the true population parameter assuming that the confidence interval is obtained after sufficient unbiased sampling; for example, if the CL = 90%, then in 90 out of 100 samples the interval estimate will enclose the true population parameter. Here α is the area under the curve, distributed equally under...
10.4K
Protein Organization
9.0K
Proteins are polymers of amino acid residues. They are versatile and responsible for different cellular functions, including DNA replication, molecular transport, catalysis, and structural support. Proteins have a hierarchical structure comprising at least three levels of organization: primary, secondary, and tertiary structure. Some large proteins have a quaternary structure where individual protein subunits are linked together.
The primary structure of a protein is its amino acid sequence....
The primary structure of a protein is its amino acid sequence....
9.0K
Nucleic Acid Structure
8.4K
The pentose sugar in DNA is deoxyribose, while in RNA the pentose sugar is ribose. The difference between the sugars is the presence of the hydroxyl group on the ribose's second carbon and a hydrogen on the deoxyribose's second carbon. The phosphate residue attaches to the hydroxyl group of the 5′ carbon of one sugar and the hydroxyl group of the 3′ carbon of the sugar of the next nucleotide, which forms a 5′ to 3′ phosphodiester linkage.
DNA Structure
DNA...
DNA Structure
DNA...
8.4K
Protein and Protein Structures
18.4K
18.4K


