Oligonucleotide Conjugated to Linear and Branched High Molecular Weight Polyethylene Glycol as Substrates for RNase H

Two conjugates of an anti-HIV oligonucleotide (ODN) with different high molecular weight monomethoxy polyethylene glycols (MPEGs) have been tested for their activity as substrate towards RNase H. The MPEG does not impede the formation of the regular hybrid duplex with the target RNA sequence as poin...

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Bibliographic Details
Published in:Nucleosides & nucleotides 1999-11, Vol.18 (11-12), p.2745-2750
Main Authors: Vorobjev, P. E., Zarytova, V. F., Bonora, G. M.
Format: Article
Language:English
Subjects:
AIDS/HIV
Anti-HIV Agents - metabolism
Anti-HIV Agents - pharmacology
Molecular Structure
Molecular Weight
Nucleic Acid Hybridization
Oligoribonucleotides, Antisense - metabolism
Oligoribonucleotides, Antisense - pharmacology
Polyethylene Glycols - chemistry
Ribonuclease H - metabolism
RNA, Complementary - metabolism
Structure-Activity Relationship
Substrate Specificity
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Summary:Two conjugates of an anti-HIV oligonucleotide (ODN) with different high molecular weight monomethoxy polyethylene glycols (MPEGs) have been tested for their activity as substrate towards RNase H. The MPEG does not impede the formation of the regular hybrid duplex with the target RNA sequence as pointed out by the persistence of the RNase H activity; thus, these derivatives stimulate the hydrolysis of RNA by the enzyme at the same site and with the same extent of cleavage as the native sequence.
ISSN:0732-8311
DOI:10.1080/07328319908044638