purine base

purine base n any of a group of crystalline bases comprising purine and bases derived from it (as adenine, caffeine, guanine, theobromine, or xanthine) some of which are components of nucleosides and nucleotides

Medical dictionary. 2011.

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  • purine base — /ˈpjurin beɪs/ (say pyoohreen bays) noun any of several compounds related to purine present in combined form in nucleic acids …   Australian English dictionary

  • purine base — noun : any of a group of crystalline bases comprising purine and bases derived from it (as adenine, caffeine, guanine, theobromine, or xanthine) some of which are components of nucleosides and nucleotides …   Useful english dictionary

  • base pair — n. a pair of bases consisting of the pyrimidine base of one nucleotide joined by a hydrogen bond to the complementary purine base of another nucleotide: such pairs form the links between the two strands of DNA and of double stranded RNA …   English World dictionary

  • Purine nucleoside phosphorylase — Not to be confused with polynucleotide phosphorylase. purine nucleoside phosphorylase Identifiers EC number 2.4.2.1 CAS number …   Wikipedia

  • Purine nucleosidase — In enzymology, a purine nucleosidase (EC number|3.2.2.1) is an enzyme that catalyzes the chemical reaction:a purine nucleoside + H2O ightleftharpoons D ribose + a purine baseThus, the two substrates of this enzyme are purine nucleoside and H2O,… …   Wikipedia

  • Base pair — Two DNA bases complementary to one another (A and T or G and C) that join the complementary strands of DNA to form the double helix characteristic of DNA. * * * base pair pa(ə)r, pe(ə)r n one of the pairs of nucleotide bases on complementary… …   Medical dictionary

  • purine — [ pjʊəri:n] noun Chemistry a colourless crystalline bicyclic compound with basic properties. ↘(also purine base) a substituted derivative of this forming one of the two classes of base present in DNA and RNA, including adenine and guanine. Origin …   English new terms dictionary

  • purine — [ pyrin ] n. f. • 1904; all. Purin, dér. sav. du rad. du lat. purus « pur » et de urique ♦ Biochim. Substance azotée basique dont la structure comporte deux chaînes fermées (l une à 5, l autre à 6 atomes). ● purine nom féminin Composé… …   Encyclopédie Universelle

  • Base purique — Purine Purine Structure et représentation de la 9H Purine ou (3H imidazo)[4,5 d]pyrimidine Général …   Wikipédia en Français

  • Base Azotée — Pour les articles homonymes, voir base. Base azotée Nucléoside Adénine …   Wikipédia en Français

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