Abstract

A model of the full-length HIV-1 integrase dimer was constructed assembling the experimentally determined structures of the single domains. Subsequently, the three-domain protein–viral DNA complex was generated for the first time through an automated docking algorithm, obtained modifying the ESCHER program, a well-known method for protein–protein docking. A detailed study of the contacts established with DNA by the enzyme revealed that the predicted model reproduced the results of mutagenesis and cross-linking experiments, confirming the validity of our docking approach in predicting the base specificity in the DNA–protein interaction.

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