uracil


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u·ra·cil

 (yo͝or′ə-sĭl)
n. Abbr. U
A pyrimidine base, C4H4N2O2, that is an essential constituent of RNA.

[ur(ea) + ac(etic) + -il, substance relating to.]

uracil

(ˈjʊərəsɪl)
n
(Biochemistry) biochem a pyrimidine present in all living cells, usually in a combined form, as in RNA. Formula: C4H4N2O2
[C20: from uro-1 + acetic + -ile]

u•ra•cil

(ˈyʊər ə sɪl)

n.
a pyrimidine base, C4H4N2O2, that is one of the fundamental components of RNA, in which it forms base pairs with adenine. Symbol: U
[1905–10; ur-1 + ac (etic) + -il, of uncertain orig.]

u·ra·cil

(yo͝or′ə-sĭl)
A base that is a component of RNA, forming a base pair with adenine during transcription.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.uracil - a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine
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"
nucleotide, base - a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA)
Translations
uracile
References in periodicals archive ?
5-bromo uracil has a greater tendency towards tautomerization as compared to uracil.
Perturbations of nucleotide metabolites, such as orotic acid, uridine 5'-monophosphate, uric acid, adenosine monophosphate, uridine, and uracil, were observed in the present study in the HS groups.
Guevara et al., "Correlated mutation in the evolution of catalysis in uracil DNA glycosylase superfamily," Scientific Reports, vol.
Four reference substances (guanosine, adenosine, uracil, and adenine) were purchased from the National Institutes for Food and Drug Control (China), and uridine was purchased from the Nanchang Beta Biotechnology Co.
The UDP moiety binds to the C-terminal domain: uracil hydrogen-bonds with the backbone of D160 and forms a n-stacking interaction with F161, and the pyrophosphate interacts with K239 and the backbone of H265 (Figure 4) [36].
At higher HBCD concentrations (r=1/4), major shifting of the guanine and cytosine bands (G band at 1698 to 1680 c[m.sup.-1] (1/1); C band at 1489 c[m.sup.-1] to 1474 (r=1/4) was observed and the intensities of the adenine, guanine, cytosine and uracil bands strongly augmented.
UDG is a DNA repair enzyme that removes uracil from single- and double-stranded DNA by hydrolyzing the N-glycosidic bond between the uracil base and the sugar phosphate backbone (17).
sinensis, and cytosine (98.9 [micro]g/g), uracil (301.3 [micro]g/g), cytidine (832.8 [micro]g/g), uridine (3214.4 [micro]g/g), and adenine (566.2 [micro]g/g) were determined [16].
Uracil and tryptophan have similar UV absorbance spectra to nucleic acids and proteins, respectively, and they are stable in solution.
The levels of cholesterol, myo-inositol-1-phosphate, uracil, and hypoxanthine were higher in both serum and tissues of the EC patients than those of the controls.
However, this method was not sufficient for repeated gene disruptions because only the uracil selection system (pyrimidine-auxotrophic strain and selectable marker [pyrE] gene) was available in S.