Extensive mutagenesis of the hepatitis B virus core gene and mapping of mutations that allow capsid formation.

Abstract excerpt

We generated a large number of mutations in the hepatitis B virus (HBV) core gene inserted into a bacterial expression vector. The new mutagenesis procedure generated deletions and insertions (as sequence repeats) of various lengths at random positions between M1 and E145 but not substitutions. The R-rich 30-amino-acid C-terminal domain was not analyzed. A total of 50,000 colonies were tested with a polyclonal...

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