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The HBe negative phenotype, a natural precore mutant (G1896A/G1897A) of HBV with aborted HBeAg expression is known to cause chronic hepatitis. The destabilized C : G base-pairing in the lower stem of epsilon-hairpin due to G1896A substitution is reportedly compensated by a second C1858T mutation and suggested to play an important role in enhanced selection of the HBe negative variant. We undertook...
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