Article
The genome of hepatitis B virus contains a second enhancer: cooperation of two elements within this enhancer is required for its function
1 Sept 1990
Abstract excerpt
Previous studies have identified an enhancer (enhancer I) at nucleotides (nt) 1074 to 1234 in the genome of the human hepatitis B virus (HBV), which locates immediately upstream from the X gene. By analysis of the expression of the chloramphenicol acetyltransferase gene driven by a heterologous simian virus 40 early promoter, we describe the identification of a second enhancer (enhancer II) at nt 1636 to 1741,...
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