Article
A dynamic checkpoint in oxidative lesion discrimination by formamidopyrimidine-DNA glycosylase.
Nucleic acids research - 29 Jan 2016
Li Haoquan, Endutkin Anton V, Bergonzo Christina, Campbell Arthur J, de los Santos Carlos, Grollman Arthur, Zharkov Dmitry O, Simmerling Carlos
Abstract excerpt
In contrast to proteins recognizing small-molecule ligands, DNA-dependent enzymes cannot rely solely on interactions in the substrate-binding centre to achieve their exquisite specificity. It is widely believed that substrate recognition by such enzymes involves a series of conformational changes in the enzyme-DNA complex with sequential gates favoring cognate DNA and rejecting nonsubstrates. However, direct...
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