Abstract：
:Target-guided synthesis is an approach to drug discovery that allows the target to self-assemble its own binding agents. So far, target-guided synthesis and especially in situ click chemistry have attracted extensive attention and have led to the identification of highly potent inhibitors for proteins. In this study, we expand the application of in situ click chemistry and present a procedure using this approach to identify selective fluorescent probes for a specific topology of G-quadruplex nucleic acids, the parallel G-quadruplexes. On this basis, compound 15 assembled by triarylimidazole scaffold and carboxyl side chain was a positive hit, demonstrating highly potential in the sensitive and selective detection of parallel G-quadruplexes. Such selective fluorescence response can be rationalized in terms of different binding affinities between 15 and G-quadruplexes. Our work accordingly represents a new development towards the application of in situ click chemistry to develop selective fluorescent probes and may also shed light on the search for probes for a specific G-quadruplex topology.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Hu MH,Chen X,Chen SB,Ou TM,Yao M,Gu LQ,Huang ZS,Tan JHdoi
10.1038/srep17202subject
Has Abstractpub_date
2015-11-25 00:00:00pages
17202issn
2045-2322pii
srep17202journal_volume
5pub_type
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