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- W1978009748 abstract "Transcription of the highly pathogenic Ebola virus depends on VP30, a nucleocapsid-associated Ebola virus-specific transcription factor. The transcription activator VP30 was shown to play an essential role in Ebola virus replication, most likely by stabilizing nascent mRNA. Here we present the crystal structure of the C-terminal domain (CTD) of VP30 (VP30(CTD)) at 2.0-A resolution. VP30(CTD) folds independently into a dimeric helical assembly. The VP30(CTD) dimers assemble into hexamers that are present in virions, by an oligomerization domain located in the N terminus of VP30. Mutagenesis of conserved charged amino acids on VP30(CTD) revealed that two regions, namely a basic cluster around Lys-180 and Glu-197, are required for nucleocapsid interaction. However, only mutagenesis of the basic cluster was shown to impair transcription activation, suggesting that both processes are regulated independently. The structure and the mutagenesis results reveal a potential pocket for small-molecule inhibitors that might prevent VP30 activity and thus virus propagation as it has been shown previously by peptides, which interfere with VP30 homooligomerization." @default.
- W1978009748 created "2016-06-24" @default.
- W1978009748 creator A5027445812 @default.
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- W1978009748 date "2007-01-09" @default.
- W1978009748 modified "2023-09-25" @default.
- W1978009748 title "Crystal structure of the C-terminal domain of Ebola virus VP30 reveals a role in transcription and nucleocapsid association" @default.
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- W1978009748 doi "https://doi.org/10.1073/pnas.0606730104" @default.
- W1978009748 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/2111399" @default.
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