高等学校化学学报 ›› 1999, Vol. 20 ›› Issue (11): 1692.

• 论文 • 上一篇    下一篇

空间距离在三维分子相似度计算中的应用

杨嘉安, 许禄   

  1. 中国科学院长春应用化学研究所, 长春 130022
  • 收稿日期:1998-11-18 出版日期:1999-11-24 发布日期:1999-11-24
  • 通讯作者: 许禄
  • 作者简介:杨嘉安,男,28岁,博士研究生.
  • 基金资助:

    国家自然科学基金(批准号:29677016)资助课题

Atom Space Distance and Computing of Molecular Similarity

YANG Jia-An, XU Lu   

  1. Changchun Institute of Applied Chemistry, Academia Sinica, Changchun 130022, China
  • Received:1998-11-18 Online:1999-11-24 Published:1999-11-24

摘要: 采用Tripos公司的MOPAC模块计算分子的空间距离,所得距离矩阵用带有约束条件的空间距离方法计算分子的相似度,同时通过4组化合物的计算,与纯空间距离方法进行比较,得到了较为满意的结果。

关键词: 有约束的空间距离, 分子相似度, 先导化合物的筛选

Abstract: Amathematical model on computation of molecular similarity was suggested. The algorithmic techniques for measuring the degree of similarity between pairs of three-dimensional chemical molecules was represented by modified interatomic distance matrices. Current work was carried out on Indigo 2 work station with Sybyl software. Four groups of molecules were used to compute the molecules similarity to testing the mathematical model with satisfatory results.

Key words: Modified stereo-distance, Molecular similarity, Leading compounds

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