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Comparison of interactions of 5'-derivatives of deoxyoctathymidylate with human DNA polymerize alpha and HIV reverse transcriptase.
Khodyreva, S N; Podust, V N; Sergeev, D S; Ivanova, E M; Frolova, E I; Koshkin, A A; Godovikova, T S; Zarytova, V F; Ricchetti, M; Lavrik, O I.
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  • Khodyreva SN; Novosibirsk Institute of Bioorganic Chemistry, Siberian Division of the Russian Academy of Sciences, Novosibirsk.
Mol Biol Rep ; 18(1): 43-7, 1993 Jun.
Article en En | MEDLINE | ID: mdl-7694077
Km and Vmax values for d(pT8) and its derivatives containing various 5'-end groups were estimated in the reaction of DNA polymerization alpha catalyzed by DNA polymerase alpha and HIV-RT. The effect of 5'-end modification of primer is more pronounced in the case of HIV-RT. Strong influence is observed for an intercalating (ethidium) group. The affinity of EtpT8 is 200-fold higher than that of d(pT8). Attachment of Phn-, Dnm- and Hem-groups results in the increase of affinity of modified primer from 10 up to 20 times. For DNA polymerase alpha the influence of modifiers on primer affinity is much weaker. The effect of 5'-end residues on the Vmax values is also more pronounced for HIV RT. The way to improve selective interaction of oligonucleotide derivatives with the primer site of HIV RT is suggested.
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Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Poli T / VIH-1 / ADN Polimerasa Dirigida por ARN / ADN Polimerasa II Límite: Humans Idioma: En Revista: Mol Biol Rep Año: 1993 Tipo del documento: Article Pais de publicación: Países Bajos
Buscar en Google
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PubMed Links

Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Poli T / VIH-1 / ADN Polimerasa Dirigida por ARN / ADN Polimerasa II Límite: Humans Idioma: En Revista: Mol Biol Rep Año: 1993 Tipo del documento: Article Pais de publicación: Países Bajos