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Methods. 2009 Apr;47(4):243-8. doi: 10.1016/j.ymeth.2008.10.024. Epub 2008 Nov 14.

Oligonucleotide-based assays for integrase activity.

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  • 1Institute for Cancer Research, Fox Chase Cancer Center, 333 Cottman Avenue, Philadelphia, PA 19111, USA.


Oligonucleotide assays have been invaluable for elucidation of the molecular mechanisms of retroviral integrases. A suite of rapid and sensitive fluorescence assays to measure the DNA binding, processing, and joining activities of integrase (IN) is described here. The assays are especially useful for characterizing the major activities of the enzyme, and for handling large numbers of samples efficiently. They can greatly facilitate further biochemical and structural analyses for HIV-1 and other IN proteins. The assays can also be adapted for moderate-high throughput testing of various inhibitory compounds.

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