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Terminase Large Subunit Provides a New Drug Target for Herpesvirus Treatment

  • Yang, Linlin
  • Yang, Qiao
  • Wang, Mingshu
  • Jia, Renyong
  • Chen, Shun
  • Zhu, Dekang
  • Liu, Mafeng
  • Wu, Ying
  • Zhao, Xinxin
  • Zhang, Shaqiu
  • Liu, Yunya
  • Yu, Yanling
  • Zhang, Ling
  • Chen, Xiaoyue
  • Cheng, Anchun
Publication Date
Mar 05, 2019
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the entire process requires a powered motor that binds to viral DNA and carries it into the preformed capsid. Studies have shown that this power motor is a complex composed of a large subunit, a small subunit, and a third subunit, which are collectively known as terminase. The terminase large subunit is highly conserved in herpesvirus. It mainly includes two domains: the C-terminal nuclease domain, which cuts the viral concatemeric DNA into a monomeric genome, and the N-terminal ATPase domain, which hydrolyzes ATP to provide energy for the genome cutting and transfer activities. Because this process is not present in eukaryotic cells, it provides a reliable theoretical basis for the development of safe and effective anti-herpesvirus drugs. This article reviews the genetic characteristics, protein structure, and function of the herpesvirus terminase large subunit, as well as the antiviral drugs that target the terminase large subunit. We hope to provide a theoretical basis for the prevention and treatment of herpesvirus.

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