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Published on: July 8, 2025
CCLab--a multi-objective genetic algorithm based combinatorial library design software and an application for histone
Guanghua Fang1, Mengzhu Xue, Mingbo Su
1State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Zhangjiang Hi-Tech Park, Pudong, Shanghai 201203, China.
This study introduces CCLab, a software for designing virtual combinatorial libraries using multi-objective optimization. The software successfully identified potent histone deacetylase (HDAC) inhibitors, enhancing hit rates in drug discovery.
Area of Science:
- Computational Chemistry
- Medicinal Chemistry
- Drug Discovery
Background:
- Multi-objective optimization significantly impacts virtual combinatorial library design.
- Simultaneous consideration of factors like synthesis cost and drug-likeness can improve the identification of biologically active compounds.
Purpose of the Study:
- To introduce CCLab (Combinatorial Chemistry Laboratory), a software tool for combinatorial library design.
- To evaluate the software's performance using in silico tests and a real-world drug design case.
Main Methods:
- Development of CCLab software based on a multi-objective genetic algorithm.
- In silico assessment of convergence and building block retrieval.
- Application to design a 5x6 histone deacetylase (HDAC) inhibitor library.
Main Results:
- CCLab demonstrated effective convergence and building block utilization in silico.
- The designed HDAC inhibitor library yielded 14 compounds with >50% inhibition against 3 HDAC enzymes.
- Three compounds exhibited IC50 values comparable to SAHA, a known HDAC inhibitor.
Conclusions:
- CCLab software enhances hit rates for designed libraries.
- The tool is beneficial for medicinal chemists in developing focused libraries for drug development.
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