PriA helicase catalyzes the initial steps of replisome reloading onto repaired DNA replication forks in bacterial DNA replication restart pathways. We have used a high-throughput screen to identify a small molecule inhibitor of PriA-catalyzed duplex DNA unwinding. The compound, CGS 15943, targets Neisseria gonorrhoeae PriA helicase with an IC(50) of 114 ± 24 μM.
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