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Comparative Study
. 1992 Aug 1;89(15):6988-92.
doi: 10.1073/pnas.89.15.6988.

RNA pseudoknots that inhibit human immunodeficiency virus type 1 reverse transcriptase

C Tuerk  1 , S MacDougal, L Gold
Affiliations
Comparative Study

RNA pseudoknots that inhibit human immunodeficiency virus type 1 reverse transcriptase

C Tuerk et al. Proc Natl Acad Sci U S A. .

Abstract

High-affinity ligands of the reverse transcriptase of human immunodeficiency virus type 1 (HIV-1) were isolated by the SELEX procedure (systematic evolution of ligands by exponential enrichment) from RNA populations randomized at 32 positions. Analysis of these ligands revealed a pseudoknot consensus with primary sequence bias at some positions. We demonstrated that at least one of the ligands inhibits cDNA synthesis by HIV reverse transcriptase but fails to inhibit other reverse transcriptases. These experiments highlight the power of SELEX to yield highly specific ligands that reduce the activity of target proteins. Such ligands may provide therapeutic reagents for viral and other diseases.

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