Article
Effect of mutating the two cysteines required for HBe antigenicity on hepatitis B virus DNA replication and virion secretion.
Virology - 5 Feb 2005
Bang Genie, Kim Kyun-Hwan, Guarnieri Michael, Zoulim Fabien, Kawai Shigenobu, Li Jisu, Wands Jack, Tong Shuping
Abstract excerpt
Hepatitis B virus (HBV) variants with impaired expression of e antigen (HBeAg) frequently arise at the chronic stage of infection, as exemplified by precore and core promoter mutants. Since an intramolecular disulfide bond maintains the secondary structure of HBeAg, we explored effect of missense mutations of either cysteine codon. Consistent with earlier reports, substitution of each cysteine rendered HBeAg...
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