Expanding the repertoire of DNA polymerase substrates: template-instructed incorporation of non-nucleoside triphosphate analogues by DNA polymerases beta and lambda. (Articolo in rivista)

Type
Label
  • Expanding the repertoire of DNA polymerase substrates: template-instructed incorporation of non-nucleoside triphosphate analogues by DNA polymerases beta and lambda. (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Crespan E, Alexandrova L, Khandazhinskaya A, Jasko M, Kukhanova M, Villani G, Hubscher U, Spadari S, Maga G. (2007)
    Expanding the repertoire of DNA polymerase substrates: template-instructed incorporation of non-nucleoside triphosphate analogues by DNA polymerases beta and lambda.
    in Nucleic acids research
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Crespan E, Alexandrova L, Khandazhinskaya A, Jasko M, Kukhanova M, Villani G, Hubscher U, Spadari S, Maga G. (literal)
Pagina inizio
  • 45 (literal)
Pagina fine
  • 57 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 35 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • IGM-CNR, Pavia, Italy; Engelhardt Institute of Molecular Biology, Moscow, Russia; Institut de Pharmacologie et de Biologie Structurale, Centre National de la Recherche Scientifique, Toulouse, France; Institute of Veterinary Biochemistry and Molecular Biology University of Zürich-Irchel, Zürich, Switzerland (literal)
Titolo
  • Expanding the repertoire of DNA polymerase substrates: template-instructed incorporation of non-nucleoside triphosphate analogues by DNA polymerases beta and lambda. (literal)
Abstract
  • We have recently shown that neither the base nor the sugar moieties of a nucleotide is an essential feature for its incorporation by DNA polymerases (pols) lambda and beta. Here we present the identification of novel non-nucleoside triphosphate (NNTP) derivatives belonging to three classes: (i) non-substrate-specific inhibitors of DNA pol lambda; (ii) substrate inhibitors which could preferentially be incorporated by either DNA pol lambda wild type or its Y505A mutant and (iii) the substrate inhibitor N-(Biphenylcarbonyl)-4-oxobutyl triphosphate which could be incorporated exclusively by DNA pol beta in a Mg2+-dependent manner, and preferentially pairs with A on the template. This compound represents the first example of a substrate lacking both nucleobase and ribose residue, showing distinct base-pairing properties with normal bases. Therefore, this NNTP analog can be considered as the prototype of an entirely novel class of DNA pol substrates. (literal)
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