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. 1989 Mar;63(3):1460-4.
doi: 10.1128/JVI.63.3.1460-1464.1989.

Inhibition of RNase H activity and viral replication by single mutations in the 3' region of Moloney murine leukemia virus reverse transcriptase

R Repaske  1 , J W Hartley, M F Kavlick, R R O'Neill, J B Austin
Affiliations

Inhibition of RNase H activity and viral replication by single mutations in the 3' region of Moloney murine leukemia virus reverse transcriptase

R Repaske et al. J Virol. 1989 Mar.

Abstract

Selected conserved amino acids in the putative RNase H domain of reverse transcriptase (RT) were modified in a molecularly cloned infectious provirus and in a Moloney murine leukemia virus RT expression vector by site-directed mutagenesis. Substitution of either of two conserved aspartic acid residues in proviral DNA prevented production of infectious particles in transfected NIH 3T3 cells, and the same modifications depressed RT-associated RNase H activity by more than 25-fold with little or no effect on polymerase activity.

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References

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