Binding of RNA by APOBEC3G controls deamination-independent restriction of retroviruses

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Binding of RNA by APOBEC3G controls deamination-independent restriction of retroviruses

APOBEC3G (A3G) is a host-encoded protein that potently restricts the infectivity of a broad range of retroviruses. This can occur by mechanisms dependent on catalytic activity, resulting in the mutagenic deamination of nascent viral cDNA, and/or by other means that are independent of its catalytic activity. It is not yet known to what extent deamination-independent processes contribute to the o...

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Electrochemical direct detection of DNA deamination catalyzed by APOBEC3G.

APOBEC3G catalyzes deamination of cytosines in HIV-1 genome, and restricts the HIV-1 infection. Here, we propose a picomole-scale assay for the detection of DNA deamination catalyzed by APOBEC3G. Our results show the suitability of the developed method for a time course analysis of enzyme-catalyzed DNA modifications.

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ژورنال

عنوان ژورنال: Nucleic Acids Research

سال: 2013

ISSN: 1362-4962,0305-1048

DOI: 10.1093/nar/gkt527