Article
Insights into Two-Metal-Ion Catalytic Mechanism of Cap-Snatching Endonuclease of Ebinur Lake Virus in Bunyavirales.
Journal of virology - 23 Mar 2022
Kuang Wenhua, Zhang Huanyu, Cai Yan, Zhang Guilin, Deng Fei, Li Hailong, Hu Zhihong, Guo Yu, Wang Manli, Zhou Yiwu, Gong Peng
Abstract excerpt
The cap-snatching endonuclease (EN) of segmented negative-strand RNA viruses (sNSVs) produces short capped primers for viral transcription by cleaving the host mRNAs. EN requires divalent metals as cofactors for nucleic acid substrates cleavage; however, the detailed mechanism of metal ion-dependent catalysis of ENs remains obscure. In this work, we reported the EN crystal structure of the Ebinur Lake virus...
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