Article
Accessory mutations maintain stability in drug-resistant HIV-1 protease.
Journal of molecular biology - 22 Jul 2011
Chang Max W, Torbett Bruce E
Abstract excerpt
The underlying mechanisms driving the evolution of drug resistance in human immunodeficiency virus (HIV) are only partially understood. We investigated the evolutionary cost of the major resistance mutations in HIV-1 protease in terms of protein stability. The accumulation of resistance mutations destabilizes the protease, limiting further adaptation. From an analysis of clinical isolates, we identified specific...
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