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Incorporation of (alpha-P-borano)-2',3'-dideoxycytidine 5'-triphosphate into DNA by drug-resistant MMLV reverse transcriptase and Taq DNA polymerase. 2003

Mikhail I Dobrikov, and Zinaida A Sergueeva, and Barbara Ramsay Shaw
Department of Chemistry, P.M. Gross Chemical Laboratory, Duke University, Durham, North Carolina 27708-0346, USA.

The Rp-stereoisomer of 5'-(alpha-P-borano)triphosphates of 2'-deoxycytidine (Rp-dCTPalphaB) and 2',3'-dideoxycytidine (Rp-ddCTPalphaB) were synthesized. Their steady-state kinetics of incorporation by ddNTP-resistant enzymes, e.g., MMLV reverse transcriptase (RT) and Taq DNA polymerase, were investigated and compared with incorporation of dCTP and ddCTP. The alpha-boranophosphate substitution in ddCTP results in a 28-fold increase in efficiency of incorporation of the Rp-ddCTPalphaB isomer by MMLV RT, yet has minimal effect on the efficiency of incorporation by Taq DNA polymerase.

UI MeSH Term Description Entries
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008979 Moloney murine leukemia virus A strain of Murine leukemia virus (LEUKEMIA VIRUS, MURINE) arising during the propagation of S37 mouse sarcoma, and causing lymphoid leukemia in mice. It also infects rats and newborn hamsters. It is apparently transmitted to embryos in utero and to newborns through mother's milk. Moloney Leukemia Virus,Leukemia Virus, Moloney,Virus, Moloney Leukemia
D003570 Cytidine Triphosphate Cytidine 5'-(tetrahydrogen triphosphate). A cytosine nucleotide containing three phosphate groups esterified to the sugar moiety. CTP,CRPPP,Magnesium CTP,Mg CTP,Triphosphate, Cytidine
D003845 Deoxycytosine Nucleotides Cytosine nucleotides which contain deoxyribose as the sugar moiety. Deoxycytidine Phosphates,Nucleotides, Deoxycytosine,Phosphates, Deoxycytidine
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012194 RNA-Directed DNA Polymerase An enzyme that synthesizes DNA on an RNA template. It is encoded by the pol gene of retroviruses and by certain retrovirus-like elements. EC 2.7.7.49. DNA Polymerase, RNA-Directed,RNA-Dependent DNA Polymerase,Reverse Transcriptase,RNA Transcriptase,Revertase,DNA Polymerase, RNA Directed,DNA Polymerase, RNA-Dependent,RNA Dependent DNA Polymerase,RNA Directed DNA Polymerase
D051379 Mice The common name for the genus Mus. Mice, House,Mus,Mus musculus,Mice, Laboratory,Mouse,Mouse, House,Mouse, Laboratory,Mouse, Swiss,Mus domesticus,Mus musculus domesticus,Swiss Mice,House Mice,House Mouse,Laboratory Mice,Laboratory Mouse,Mice, Swiss,Swiss Mouse,domesticus, Mus musculus
D054306 Dideoxynucleotides The phosphate esters of DIDEOXYNUCLEOSIDES. Dideoxynucleotide Triphosphates,ddNTPs,Triphosphates, Dideoxynucleotide
D019914 Taq Polymerase A heat stable DNA-DIRECTED DNA POLYMERASE from the bacteria Thermus aquaticus. It is widely used for the amplification of genes through the process of POLYMERASE CHAIN REACTION. EC 2.7.7.-. Taq DNA Polymerase,Taq1 Polymerase,Thermus aquaticus Polymerase,DNA Polymerase, Taq,Polymerase, Taq,Polymerase, Taq DNA,Polymerase, Taq1,Polymerase, Thermus aquaticus,aquaticus Polymerase, Thermus

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