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Inhibition of avian myeloblastosis virus reverse transcriptase by diphosphates of acyclic phosphonylmethyl nucleotide analogues. 1990

I Votruba, and M Trávnícek, and I Rosenberg, and M Otmar, and A Merta, and H Hrebabecký, and A Holý
Institute of Organic Chemistry and Biochemistry, Czechoslovak Academy of Sciences, Prague.

Diphosphates of N-(2-phosphonylmethoxyethyl) derivatives of heterocyclic bases were studied in the endogenous oligo(dT)12-18 primed reaction of reverse transcriptase from detergent-disrupted AMV(MAV) retrovirions. These diphosphates (analogues of nucleotide 5'-triphosphates) exhibited an inhibitory activity towards reverse transcriptase. This inhibitory activity was dependent on the character of the heterocyclic base and decreased in the order: 2-aminoadenine greater than adenine greater than guanine much greater than cytosine much greater than thymine greater than uracil. The 2-aminoadenine derivative was more potent than either AZT-TP or ddTTP, while PMEApp had approximately the same potency as the two reference compounds (IC50 approximately 1 microM at 20 microM competing substrate). This finding is consistent with the antiviral activity of the parent nucleotide analogues against retroviruses (including HIV).

UI MeSH Term Description Entries
D009189 Avian Myeloblastosis Virus A species of ALPHARETROVIRUS causing anemia in fowl. Myeloblastosis Virus, Avian,Avian Myeloblastosis Viruses,Myeloblastosis Viruses, Avian,Virus, Avian Myeloblastosis,Viruses, Avian Myeloblastosis
D009711 Nucleotides The monomeric units from which DNA or RNA polymers are constructed. They consist of a purine or pyrimidine base, a pentose sugar, and a phosphate group. (From King & Stansfield, A Dictionary of Genetics, 4th ed) Nucleotide
D010710 Phosphates Inorganic salts of phosphoric acid. Inorganic Phosphate,Phosphates, Inorganic,Inorganic Phosphates,Orthophosphate,Phosphate,Phosphate, Inorganic
D002645 Chickens Common name for the species Gallus gallus, the domestic fowl, in the family Phasianidae, order GALLIFORMES. It is descended from the red jungle fowl of SOUTHEAST ASIA. Gallus gallus,Gallus domesticus,Gallus gallus domesticus,Chicken
D003596 Cytosine A pyrimidine base that is a fundamental unit of nucleic acids.
D006147 Guanine
D000225 Adenine A purine base and a fundamental unit of ADENINE NUCLEOTIDES. Vitamin B 4,4, Vitamin B,B 4, Vitamin
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
D000998 Antiviral Agents Agents used in the prophylaxis or therapy of VIRUS DISEASES. Some of the ways they may act include preventing viral replication by inhibiting viral DNA polymerase; binding to specific cell-surface receptors and inhibiting viral penetration or uncoating; inhibiting viral protein synthesis; or blocking late stages of virus assembly. Antiviral,Antiviral Agent,Antiviral Drug,Antivirals,Antiviral Drugs,Agent, Antiviral,Agents, Antiviral,Drug, Antiviral,Drugs, Antiviral
D013936 Thymidine A nucleoside in which THYMINE is linked to DEOXYRIBOSE. 2'-Deoxythymidine,Deoxythymidine,2' Deoxythymidine

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