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乙型肝炎病毒DNA多聚酶P结构域研究进展 被引量:5

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摘要 0 引言。乙型肝炎病毒(HBV)属嗜肝DNA病毒属,是一组以侵袭肝脏为主的病毒,主要感染哺乳动物和鸟类.HBV DNA的长度为3.2kb,具有4个开放读码框架(ORF),分别编码HBV的表面抗原蛋白,核心/e抗原蛋白,X蛋白以及HBV DNA多聚酶(HBV DNA P).HBV DNA P基因在ORF中最长,并且与C、S、X基因区有重叠,其编码的P蛋白含有N-末端蛋白(TP)、逆转录酶(RT)/DNA多聚酶、RNase H和隔离片(spacer,SP)等4个结构域,各结构域分别位于2307—2840nt、133—1128nt、1129—1621nt和2841—0—132nt.目前对多聚酶及其所编码的各个结构域的研究取得了一定的进展.
出处 《世界华人消化杂志》 CAS 2004年第2期393-397,共5页 World Chinese Journal of Digestology
基金 国家自然科学基金项目 No.C39970674 No.C03011402 No.C39900130 No.C30070689军队"九 五"科技攻关项目 No.98D063军队回国留学人员启动基金项目 No.98H038军队"十 五"科技攻关青年基金项目 No.01Q138军队"十 五"科技攻关面上项目 No.01MB135
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