HIERARCHICAL AND COOPERATIVE BINDING OF THE RAT-LIVER NUCLEAR-PROTEIN C/EBP AT THE HEPATITIS-B VIRUS ENHANCER

被引：42

作者：

DIKSTEIN, R ^{[1
]}

FAKTOR, O ^{[1
]}

SHAUL, Y ^{[1
]}

机构：

[1] WEIZMANN INST SCI,DEPT MOLEC GENET & VIROL,IL-76100 REHOVOT,ISRAEL

来源：

MOLECULAR AND CELLULAR BIOLOGY | 1990年 / 10卷 / 08期

关键词：

D O I：

10.1128/MCB.10.8.4427

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

We used the enhancer-binding protein C/EBP as a model to study the nature and the complexity of interaction of an enhancer-binding protein with its target DNA. We found that bacterially expressed C/EBP binds the hepatitis B virus enhancer at multiple sites in a hierarchic and cooperative manner. At low concentrations, only the E element is occupied, but at higher concentrations, additional sites are filled including a site that binds EP, a crucial enhancer-activating protein. This pattern of C/EBP binding may explain the concentration-dependent effect of C/EBP on enhancer activity.

引用

页码：4427 / 4430

页数：4

共 16 条

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