Chimeric enzyme for promoting targeted integration of foreign DN

Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives

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536 243, C07H 2102, C07H 2104

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active

061505110

ABSTRACT:
The present invention provides novel chimeric and fusion proteins useful for facilitating site-specific integration of foreign DNA into a host genome. The chimeric enzymes of the invention comprise a DNA binding moiety fused to a retroviral integrase moiety, preferably at the precise N- or C-terminus. Nucleic acids encoding these fusion proteins can be incorporated into standard retroviral vectors, or can be provided as purified proteins. They are capable of exerting the activities of a wildtype retroviral integrase, including processing retroviral DNA termini, nicking double-stranded DNA and integrating a DNA molecule with processed retroviral termini into another DNA strand.

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