相关实验视频
Updated: Sep 18, 2025

11:22
Automated Robotic Liquid Handling Assembly of Modular DNA Devices
Published on: December 1, 2017
12.5K
SAVI 太空组合编码的十亿大规模的合成可访问的虚拟库存
Malte Korn1, Philip Judson2, Raphael Klein3
1University of Hamburg, ZBH - Center for Bioinformatics, 22761, Hamburg, Germany.
Scientific data
|June 23, 2025
概括
一种新的计算方法,SAVI-Space-2024,可以有效地处理数十亿个合成可访问的分子,用于药物发现. 与以前的方法相比,这种反应驱动的数据结构显著减少了内存使用量,并增强了搜索功能.
科学领域:
- 计算化学计算化学
- 药用化学 医学化学
- 药物发现 药物发现 药物发现
背景情况:
- 合成可访问虚拟库存 (SAVI) 之前使用LHASA转换规则生成了超过10亿个合成可访问的化合物.
- 像SAVI这样明确处理大型分子库对于药物发现来说是计算密集的.
- 现有的方法面临着对大规模虚拟复合集合的内存和搜索效率的挑战.
研究的目的:
- 设计和实施SAVI-Space-2024,一种新的计算方法来管理和探索庞大的虚拟化学库.
- 为解决与药物发现中大规模虚拟查相关的计算需求和内存限制.
- 改进在广泛的分子数据库中寻找相似性和亚结构识别的搜索功能.
主要方法:
- 为SAVI-Space-2024开发一个反应驱动的组合数据结构.
- 编码转换规则作为反应 SMARTS用于组合应用.
- 利用胺构建块作为分子生成的基础.
- 实施相似性和亚结构搜索的高效算法.
主要成果:
- SAVI-Space-2024从胺构建块中产生了75亿个分子.
- 与明确列举的SAVI库 (210GB) 相比,新的方法需要显著更少的内存 (1.4GB).
- 在标准硬件上展示了增强的搜索功能,包括快速的相似性和子结构搜索.
结论:
- SAVI-Space-2024为探索大型虚拟化学空间提供了一种计算效率高且节省内存的解决方案.
- 反应驱动的组合数据结构代表了药物发现应用的重大进步.
- 改进的搜索性能可以更快地从庞大的分子图书馆中识别潜在的候选药物.
相关概念视频
Synthetic Biology
5.0K
Synthetic biology is an interdisciplinary science that involves using principles from disciplines such as engineering, molecular biology, cell biology, and systems biology. It involves remodeling existing organisms from nature or constructing completely new synthetic organisms for applications such as protein or enzyme production, bioremediation, value-added macromolecule production, and the addition of desirable traits to crops, to name a few.
Golden rice
Golden rice is a genetically modified...
Golden rice
Golden rice is a genetically modified...
5.0K
Base Quantities and Derived Quantities
22.2K
In any system of units, the units for some physical quantities must be specified through a measurement process. These measurements are the base quantities of the system, and their units are the base units of the system. The algebraic combinations of the base values can then be used to express all other physical quantities. Each of these physical quantities is then referred to as a derived quantity, with each unit being referred to as a derived unit.
The International Organization for...
The International Organization for...
22.2K
Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving
103
Mechanistic models play a crucial role in algorithms for numerical problem-solving, particularly in nonlinear mixed effects modeling (NMEM). These models aim to minimize specific objective functions by evaluating various parameter estimates, leading to the development of systematic algorithms. In some cases, linearization techniques approximate the model using linear equations.
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
103
Maximum Size of Aggregate
241
The maximum size of aggregate is defined as the aperture of the sieve retaining 15 percent or more of the particles present in the aggregate sample. The aggregate's maximum size impacts the concrete's water requirement, workability, and strength. Larger aggregates reduce the surface area needing cement paste coverage, which can lower water needs, thereby allowing a decrease in the water-to-cement ratio when the desired workability and richness of the mix are to be maintained, which can...
241
Combinatorial Gene Control
8.4K
Combinatorial gene control is the synergistic action of several transcriptional factors to regulate the expression of a single gene. The absence of one or more of these factors may lead to a significant difference in the level of gene expression or repression.
The expression of more than 30,000 genes is controlled by approximately 2000-3000 transcription factors. This is possible because a single transcription factor can recognize more than one regulatory sequence. The specificity in gene...
The expression of more than 30,000 genes is controlled by approximately 2000-3000 transcription factors. This is possible because a single transcription factor can recognize more than one regulatory sequence. The specificity in gene...
8.4K
Bulk Modulus
408
The bulk modulus is a scientific term used to describe a material's resistance to uniform compression. It is the proportionality constant that links a change in pressure to the resulting relative volume change.
408

