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相关概念视频

Fischer Projections02:18

Fischer Projections

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Learning to draw Fischer projections of molecules and understanding their relevance plays a crucial role in the visual depiction of organic molecules. A Fischer projection is a two-dimensional projection on a planar surface to simplify the three-dimensional wedge–dash representation of molecules. This is especially helpful in the case of molecules with multiple chiral centers that can be difficult to draw. Here, all the bonds of interest are represented as horizontal or vertical lines.
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Newman Projections02:06

Newman Projections

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Different notations are used to represent the three-dimensional structure of molecules on two-dimensional surfaces. One of the most commonly used representations is the dash-wedge formula. The dashed wedges, solid wedges, and the plane lines indicate the groups situated behind the plane, coming out of the plane, and in the plane, respectively.
The organic molecules rotate across the single bonds leading to numerous temporary three-dimensional structures of varying energy known as...
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Structure of HIV-1 Capsid Assemblies by Cryo-electron Microscopy and Iterative Helical Real-space Reconstruction
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希尔伯特曲线辅助结构嵌入方法

Gergely Zahoránszky-Kőhalmi1, Kanny K Wan2, Alexander G Godfrey2

  • 1National Center for Advancing Translational Sciences (NCATS/NIH), 9800 Medical Center Dr., Rockville, MD, 20850, USA. gergely.zahoranszky-kohalmi@nih.gov.

Journal of cheminformatics
|July 29, 2024
PubMed
概括
此摘要是机器生成的。

希尔伯特曲线辅助空间嵌入 (HCASE) 方法为化学空间的可视化提供了一种新的方法,为药物化学家直观地组织化合物. 这种方法使用伪希尔伯特曲线来创建强大的和可解释的化学嵌入.

关键词:
化学空间嵌入式嵌入式集群集成是指集群集成.缩小尺寸的缩小方式在 HCASE 案例中希尔伯特曲线是一个曲线.脚手架的钥匙 - 脚手架的钥匙

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科学领域:

  • 计算化学是一种计算化学.
  • 化学信息学 化学信息学
  • 药物发现 药物发现

背景情况:

  • 化学空间嵌入方法对于研究中的维度缩小,聚类和可视化至关重要.
  • 当前的方法通常会产生难以解释和易于重新排列的地图.
  • 这些局限性阻碍了药物化学家对结构-性质关系的洞察力.

研究的目的:

  • 引入希尔伯特曲线辅助空间嵌入 (HCASE) 方法,用于创建直观的化学空间地图.
  • 开发一种与药物化学家的推理和逻辑一致的嵌入策略.
  • 为了生成化学化合物关系的强大和可解释的可视化.

主要方法:

  • 化学空间是使用参考支架定义的,由支架-密钥算法进行排序.
  • 脚手架被映射到一条直线上,然后折叠成一个二维空间,形成一个伪希尔伯特曲线.
  • 复合嵌入是通过在伪希尔伯特曲线上找到最近的参考支架来实现的.

主要成果:

  • 通过HCASE方法,根据药用化学原理生成化学空间地图.
  • 使用DrugBank,CANVASS和ChEMBL数据库的实验证明了该方法的特性.
  • 由此产生的嵌入式被证明是强大的和直观的.

结论:

  • HCASE方法为化学空间嵌入提供了一种新且具有先例的方法.
  • 它使用希尔伯特曲线,并与药物化学家逻辑对齐,提高了可解释性.
  • 这种方法有可能提高对药物发现中的化学关系的理解.