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To accomplish their viral life cycle, lentiviruses such as HIV highjack host proteins, the so-called cellular co-factors of replication. Lens Epithelium-derived Growth factor (LEDGF/p75), a transcriptional co-activator, is a co-factor of HIV-integrase (IN) and is required for the tethering and correct integration of the viral genome into the host chromatin. Due to its important role in HIV-replication...
A functional study of mutants of the human immunodeficiency virus type 1 (HIV-1) integrase (IN) was conducted with the support of a recently proposed HIV-1 intasome model. Firstly, we investigated the predicted position of the C-terminal domain (CTD) and the flexibility of the alpha-6 helix by mutating the residue Ile-203. This had no impact on the 3′-processing reaction but reduced the strand transfer...
During the human immunodeficiency virus type 1 (HIV-1) pandemic, continuous, extensive genetic diversification of the virus has been observed. To study the effect of HIV-1 diversification on integrase-associated viral replication capacity (RC), 94 HIV-1 subtype B integrase sequences from two groups of antiretroviral-naive viruses isolated 15 y apart were amplified and recombined with an HIV-1 infectious...
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