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Intra- and intersubtype alternative Pak2-activating structural motifs of human immunodeficiency virus type 1 Nef.


ABSTRACT: The design of antiviral strategies against human immunodeficiency virus type 1 (HIV-1) has been largely derived from studies of subtype B viruses, although they constitute only 12% of infections worldwide. At 50% of all HIV-1 infections worldwide, subtype C viruses are the most predominant. Here, we present evidence that subtype C Nefs display functional Pak2-activating motifs that differ from those found in subtype B and E Nefs. The identification of multiple Pak2-activating structural motifs that singly affect one Nef activity revealed a functional plasticity that has implications for future drug and vaccine design aimed at HIV-1 Nef and its effects on the deregulation of the immune system.

SUBMITTER: O'Neill E 

PROVIDER: S-EPMC1563850 | biostudies-literature | 2006 Sep

REPOSITORIES: biostudies-literature

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Intra- and intersubtype alternative Pak2-activating structural motifs of human immunodeficiency virus type 1 Nef.

O'Neill Eduardo E   Baugh Laura L LL   Novitsky Vladimir A VA   Essex Myron E ME   Garcia J Victor JV  

Journal of virology 20060901 17


The design of antiviral strategies against human immunodeficiency virus type 1 (HIV-1) has been largely derived from studies of subtype B viruses, although they constitute only 12% of infections worldwide. At 50% of all HIV-1 infections worldwide, subtype C viruses are the most predominant. Here, we present evidence that subtype C Nefs display functional Pak2-activating motifs that differ from those found in subtype B and E Nefs. The identification of multiple Pak2-activating structural motifs t  ...[more]

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