Role of phosphorylation clusters in the biology of the coronavirus infectious bronchitis virus nucleocapsid protein.

Role of phosphorylation clusters in the biology of the coronavirus infectious bronchitis virus nucleocapsid protein.
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DOI:
10.1016/j.virol.2007.08.016
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发表时间:
2008-01-20
期刊:
影响因子:
3.7
通讯作者:
Hiscox JA
Hiscox JA
中科院分区:
医学3区
文献类型:
--
作者:
Spencer KA;Dee M;Britton P;Hiscox JA

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The coronavirus infectious bronchitis virus (IBV) nucleocapsid (N) protein is an RNA binding protein which is phosphorylated at two conserved clusters. Kinetic analysis of RNA binding indicated that the C-terminal phosphorylation cluster was involved in the recognition of viral RNA from non-viral RNA. The IBV N protein has been found to be essential for the successful recovery of IBV using reverse genetics systems. Rescue experiments indicated that phosphorylated N protein recovered infectious IBV more efficiently when compared to modified N proteins either partially or non-phosphorylated. Our data indicate that the phosphorylated form of the IBV N protein plays a role in virus biology.
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