Functional interaction of nuclear factors EF-C, HNF-4, and RXR alpha with hepatitis B virus enhancer I

Abstract excerpt

Hepatitis B virus (HBV) enhancer I contains cis-acting elements that are both sufficient and essential for liver-specific enhancer function. The EF-C binding site was previously shown to be a key element in enhancer I. EF-C binding activity is evident in hepatic and nonhepatic cells. Although the EF-C binding site is required for efficient HBV enhancer I function, the EF-C site does not possess intrinsic enhancer...

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