dNTP modified at triphosphate residues: substrate properties towards DNA polymerases and stability in human serum. 1998

A Krayevsky, and A Arzumanov, and E Shirokova, and N Dyatkina, and L Victorova, and M Jasko, and L Alexandrova
Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia. AAK@imb.imb.ac.ru

Substrate and terminating substrate properties of dNTP with phosphate groups replaced by phosphonates at alpha-, gamma-, beta, gamma-, and alpha, beta, gamma-positions towards different human DNA polymerases and retroviral reverse transcriptases are reviewed. Substitution of the phosphate group by the phosphonate at any of the three phosphate positions of dNTP increased their stability towards dephosphorylating enzymes of human blood. In some cases hydrophobicity of these compounds was markedly enhanced.

UI MeSH Term Description Entries
D007700 Kinetics The rate dynamics in chemical or physical systems.
D001798 Blood Proteins Proteins that are present in blood serum, including SERUM ALBUMIN; BLOOD COAGULATION FACTORS; and many other types of proteins. Blood Protein,Plasma Protein,Plasma Proteins,Serum Protein,Serum Proteins,Protein, Blood,Protein, Plasma,Protein, Serum,Proteins, Blood,Proteins, Plasma,Proteins, Serum
D003854 Deoxyribonucleotides A purine or pyrimidine base bonded to a DEOXYRIBOSE containing a bond to a phosphate group. Deoxyribonucleotide
D004259 DNA-Directed DNA Polymerase DNA-dependent DNA polymerases found in bacteria, animal and plant cells. During the replication process, these enzymes catalyze the addition of deoxyribonucleotide residues to the end of a DNA strand in the presence of DNA as template-primer. They also possess exonuclease activity and therefore function in DNA repair. DNA Polymerase,DNA Polymerases,DNA-Dependent DNA Polymerases,DNA Polymerase N3,DNA Dependent DNA Polymerases,DNA Directed DNA Polymerase,DNA Polymerase, DNA-Directed,DNA Polymerases, DNA-Dependent,Polymerase N3, DNA,Polymerase, DNA,Polymerase, DNA-Directed DNA,Polymerases, DNA,Polymerases, DNA-Dependent DNA
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
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
D013379 Substrate Specificity A characteristic feature of enzyme activity in relation to the kind of substrate on which the enzyme or catalytic molecule reacts. Specificities, Substrate,Specificity, Substrate,Substrate Specificities
D013942 Thymine Nucleotides Phosphate esters of THYMIDINE in N-glycosidic linkage with ribose or deoxyribose, as occurs in nucleic acids. (From Dorland, 28th ed, p1154) Thymidine Phosphates,Nucleotides, Thymine,Phosphates, Thymidine
D014780 Viruses Minute infectious agents whose genomes are composed of DNA or RNA, but not both. They are characterized by a lack of independent metabolism and the inability to replicate outside living host cells. Animal Viruses,Zoophaginae,Animal Virus,Virus,Virus, Animal,Viruses, Animal
D015394 Molecular Structure The location of the atoms, groups or ions relative to one another in a molecule, as well as the number, type and location of covalent bonds. Structure, Molecular,Molecular Structures,Structures, Molecular

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