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Image illustrates DNA, RNA, and protein synthesis. The first two are nucleic acids. A nucleic acid inhibitor is a type of antibacterial that acts by inhibiting the production of nucleic acids. There are two major classes: DNA inhibitors and RNA inhibitors. [1] The antifungal flucytosine acts in a similar manner.
Dideoxynucleotides are useful in the sequencing of DNA in combination with electrophoresis.A DNA sample that undergoes PCR (polymerase chain reaction) in a mixture containing all four deoxynucleotides and one dideoxynucleotide will produce strands of length equal to the position of each base of the type that complements the type having a dideoxynucleotide present.
The larger subunit, p66, is 560 amino acid long and it exhibits all the enzymatic activities of the RT. [8] The smaller subunit, called p51, is 440 amino acid long and it is considered to stabilize the heterodimer but also it may take part in the binding of the tRNA primer. The p66 subunit has the two active sites: polymerase and ribonuclease H.
There is a large family of nucleoside analogue reverse transcriptase inhibitors, because DNA production by reverse transcriptase is very different from normal human DNA replication, so it is possible to design nucleoside analogues that are preferentially incorporated by the former. Some nucleoside analogues, however, can function both as NRTIs ...
Nucleic acid metabolism is a collective term that refers to the variety of chemical reactions by which nucleic acids (DNA ... is an inhibitor of pyrimidine synthesis ...
In nucleic acid synthesis, the 3’ OH of a growing chain of nucleotides attacks the α-phosphate on the next NTP to be incorporated (blue), resulting in a phosphodiester linkage and the release of pyrophosphate (PP i). This figure shows DNA synthesis, but RNA synthesis occurs through the same mechanism.
Decitabine (i.e., 5-aza-2′-deoxycytidine), sold under the brand name Dacogen among others, acts as a nucleic acid synthesis inhibitor. [4] It is a medication for the treatment of myelodysplastic syndromes, a class of conditions where certain blood cells are dysfunctional, and for acute myeloid leukemia (AML). [5] Chemically, it is a cytidine ...
It is nonenzymatically cleaved to mercaptopurine, a purine analogue that inhibits DNA synthesis. By preventing the clonal expansion of lymphocytes in the induction phase of the immune response, it affects both cell immunity and humoral immunity .
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