Phosphorylavion of hepatitis C virus NS5A protein = C형 간염 바이러스 NS5A 단백질의 인산화에 관한 연구

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The genomic RNA of Hepatitis C virus (HCV) contains a single large open reading frame for virion Nonstructural polypeptides. HCV NS5A protein(p56) have been considered to be involved in viral RNA replication. Previous studies revealed that two phosphoproteins, p56 and p58, were produced from NS5A coding region and p58 was hyperphosphorylated form of p56. We demonstrated that kinase that is important to basal level phosphorylation was associated with C-terminus of NS5A. It is revealed that protein-protein interaction of the kinase and NS5A was not strong enough to verify the association between kinase and NS5A employing the yeast two hybrid system. Using direct in vitro kinase assay and modified affinity matrix-mediated kinase assay, we showed that there was NS5A-associated kinase activity responsible for basal phosphorylation. The deleted NS5A proteins were tested for determination of binding site. The result showed that kinase associate with and mainly phosphorylated C-terminus of NS5A. Furthermore, interaction of kinase and deleted NS5A proteins were much stronger than full size NS5A.
Advisors
Choe, Joon-Horesearcher최준호researcher
Description
한국과학기술원 : 생물과학과,
Publisher
한국과학기술원
Issue Date
1998
Identifier
135360/325007 / 000963162
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 생물과학과, 1998.2, [ iv, 36 p. ]

Keywords

NS5A; HCV; Phosphorylation; 인산화; NS5A; C형간염바이러스

URI
http://hdl.handle.net/10203/28553
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=135360&flag=dissertation
Appears in Collection
BS-Theses_Master(석사논문)
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