guanine

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Related to Guanine nucleotides: Guanine nucleotide binding protein

gua·nine

 (gwä′nēn′)
n. Abbr. G
A purine base, C5H5ON5, that is an essential constituent of both RNA and DNA.

[From guano, in which it is found.]

guanine

(ˈɡwɑːniːn; ˈɡuːəˌniːn)
n
(Elements & Compounds) a white almost insoluble compound: one of the purine bases in nucleic acids. Formula: C5H5N5O
[C19: from guano + -ine2]

gua•nine

(ˈgwɑ nin)

n.
a purine base, C5H5N5O, that is a fundamental constituent of DNA and RNA, in which it forms base pairs with cytosine. Symbol: G Compare guanosine.
[1845–55; guan (o) + -ine2]

gua·nine

(gwä′nēn′)
A base that is a component of DNA and RNA, forming a base pair with cytosine.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.guanine - a purine base found in DNA and RNA; pairs with cytosine
purine - any of several bases that are derivatives of purine
deoxyribonucleic acid, desoxyribonucleic acid, DNA - (biochemistry) a long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like a double helix; associated with the transmission of genetic information; "DNA is the king of molecules"
ribonucleic acid, RNA - (biochemistry) a long linear polymer of nucleotides found in the nucleus but mainly in the cytoplasm of a cell where it is associated with microsomes; it transmits genetic information from DNA to the cytoplasm and controls certain chemical processes in the cell; "ribonucleic acid is the genetic material of some viruses"
Translations
Guanin
guanina

gua·nine

n. guanine, constituyente de DNA y RNA.
References in periodicals archive ?
studied glucagon-stimulated cAMP formation in membrane preparations from rat liver, and demonstrated in the early 1970s that guanine nucleotides (GTP or GDP) decrease the affinity for glucagon and that GppNHp (hydrolysis-resistant analogue of GTP) activates the cAMP forming reaction in a pseudo-irreversible manner.
In any DNA molecule the number of adenine nucleotides is equal to the number of thymine nucleotides, and the number of guanine nucleotides is equal to the number of cytosine nucleotides.
Inosine monophosphate dehydrogenase (IMPDH) [3] is the rate-limiting enzyme in de novo synthesis of guanine nucleotides.
3]H]-8-OH-DPAT binding to membranes of different brain regions has revealed different sensitivity to metal ions and guanine nucleotides [10, 11].

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