The antitumor toxin CD437 is a direct inhibitor of DNA polymerase alpha.

Han T, Goralski M, Capota E, Padrick SB, Kim J, Xie Y, Nijhawan D
Nat Chem Biol. 2016 Jul;12(7):511-5. doi: 10.1038/nchembio.2082. Epub 2016 May 16. PubMed Article

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