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Formation of the TRNALys Packaging Complex in HIV-1

Overview
Journal FEBS Lett
Specialty Biochemistry
Date 2009 Nov 17
PMID 19914238
Citations 63
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Abstract

Human immunodeficiency virus 1 (HIV-1) uses a host cell tRNA(Lys,3) molecule to prime reverse transcription of the viral RNA genome into double-stranded DNA prior to integration into the host genome. All three human tRNA(Lys) isoacceptors along with human lysyl-tRNA synthetase (LysRS) are selectively packaged into HIV-1. Packaging of LysRS requires the viral Gag polyprotein and incorporation of tRNA(Lys) additionally requires the Gag-Pol precursor. A model that incorporates the known interactions between components of the putative packaging complex is presented. The molecular interactions that direct assembly of the tRNA(Lys)/LysRS packaging complex hold promise for the development of new anti-viral agents.

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