DNA-encoded libraries (DELs): a review of on-DNA chemistries and their output

A DNA-encoded library is a collection of small molecules covalently linked to DNA that has unique information about the identity and the structure of each library member. A DNA-encoded chemical library (DEL) is broadly adopted by major pharmaceutical companies and used in numerous drug discovery pro...

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Bibliographic Details
Published in:RSC advances 2021-01, Vol.11 (4), p.2359-2376
Main Authors: Shi, Ying, Wu, Yan-ran, Yu, Jian-qiang, Zhang, Wan-nian, Zhuang, Chun-lin
Format: Article
Language:English
Subjects:
Chemical reactions
Chemistry
Deoxyribonucleic acid
DNA
Libraries
Target recognition
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Summary:A DNA-encoded library is a collection of small molecules covalently linked to DNA that has unique information about the identity and the structure of each library member. A DNA-encoded chemical library (DEL) is broadly adopted by major pharmaceutical companies and used in numerous drug discovery programs. The application of the DEL technology is advantageous at the initial period of drug discovery because of reduced cost, time, and storage space for the identification of target compounds. The key points for the construction of DELs comprise the development and the selection of the encoding methods, transfer of routine chemical reaction from off-DNA to on-DNA, and exploration of new chemical reactions on DNA. The limitations in the chemical space and the diversity of DEL were reduced gradually by using novel DNA-compatible reactions based on the formation and the cleavage of various bonds. Here, we summarized a series of novel DNA-compatible chemistry reactions for DEL building blocks and analysed the druggability of screened hit molecules via DELs in the past five years. We summarize a series of novel DNA-compatible chemistry reactions for DNA-encoded chemical library (DEL) building blocks and analyse the druggability of screened hit molecules via DELs in the past five years.
ISSN:2046-2069
2046-2069
DOI:10.1039/d0ra09889b