title: Studies on Transcriptional Incorporation of 5'-N-Triphosphates of 5'-Amino-5'-Deoxyribonucleosides.
abstract: In this study, several RNA polymerases were used for the first time to examine the possibility of transcriptional incorporation of 5'-N-triphosphates of 5'-amino-5'-deoxyribonucleosides (5'NH NTPs). The T3, T7, Sp6 and T7 Y639F RNA polymerases were employed to show that the full-length transcript cannot be synthesized. The results suggest that the application of 5'NH NTPs could decrease transcription reaction rates. What is more, the modification of transcription conditions had no influence on the rate of 5'NH NTPs incorporation. Based on experimental data it is postulated that 5'NH NTPs can be used as potential transcription inhibitors. Our findings expand the knowledge on suitable uses of the 5'-N-triphosphates of 5'-amino-5'-deoxyribonucleoside and the exact mechanism of transcriptional inhibition.
authors.affiliation: Institute of Bioorganic Chemistry, Polish Academy of Sciences, Poznan, Poland.
authors.forename: Weronika
authors.initials: W
authors.lastname: Kotkowiak
authors.affiliation: Institute of Bioorganic Chemistry, Polish Academy of Sciences, Poznan, Poland.
authors.forename: Anna
authors.initials: A
authors.lastname: Pasternak
authors.affiliation: Institute of Bioorganic Chemistry, Polish Academy of Sciences, Poznan, Poland.
authors.forename: Ryszard
authors.initials: R
authors.lastname: Kierzek
mesh_terms: D012321:DNA-Directed RNA Polymerases / Q000378:metabolism; D003853:Deoxyribonucleosides / Q000378:metabolism*; D012313:RNA / Q000096:biosynthesis*; D014158:Transcription, Genetic
chemical_list: D003853:Deoxyribonucleosides; D012313:RNA; D012321:DNA-Directed RNA Polymerases
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