purine

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  • noun

Words related to purine

any of several bases that are derivatives of purine

a colorless crystalline organic base containing nitrogen

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References in periodicals archive ?
In test tubes, single purine nucleotides readily assemble on a pyrimidine template, but the reverse doesn't occur, replication comes to a halt with mixed template.
It act by selectively inhibiting the synthesis of purine nucleotides (adenine) and reducing DNA synthesis of a variety of immunologic and other specialized cells, including hepatocytes due to oral administration of AZA increase liver enzymes level as alkaline phosphatase (ALP), alanine aminotransferase (ALT) and aspartate aminotransferase (AST).
Acording to previous reports about AZA [4], seemingly obvious explanation could be that AZA selectively inhibit synthesis of purine nucleotides, which are required for DNA synthesis.
Adenylosuccinate lyase, or adenylosuccinase, catalyzes two reactions in the biosynthesis of purine nucleotides.
Because the ultrafiltration step removes all proteins, it prevents the possible ex vivo catabolism of the thiopurine nucleotides by other purine enzymes, such as purine nucleotide phosphorylase.