guanine (G). In RNA, uracil binds to adenine via two hydrogen bonds. In DNA, the uracil nucleobase is replaced by thymine (T). Uracil is a demethylated form...

Uracil-DNA glycosylase (also known as UNG or UDG) is an enzyme. Its most important function is to prevent mutagenesis by eliminating uracil from DNA molecules...

nucleotide bases found in DNA and RNA, along with adenine, guanine, and thymine (uracil in RNA). It is a pyrimidine derivative, with a heterocyclic aromatic ring...

Tegafur/uracil (abbreviation: UFT) is a chemotherapy drug combination used in the treatment of cancer, primarily bowel cancer. UFT is an oral formulation...

Uridine diphosphate glucose (uracil-diphosphate glucose, UDP-glucose) is a nucleotide sugar. It is involved in glycosyltransferase reactions in metabolism...

represents various uracil-DNA glycosylases and related DNA glycosylases (EC), such as uracil-DNA glycosylase, thermophilic uracil-DNA glycosylase, G:T/U...

Uracil dehydrogenase (EC 1.1.99.19, uracil oxidase) is an enzyme with systematic name uracil:(acceptor) oxidoreductase. This enzyme catalyses the following...

nucleobases are pyrimidine derivatives: cytosine (C), thymine (T), and uracil (U). The pyrimidine ring system has wide occurrence in nature as substituted...

Five nucleobases—adenine (A), cytosine (C), guanine (G), thymine (T), and uracil (U)—are called primary or canonical. They function as the fundamental units...

thymine may be derived by methylation of uracil at the 5th carbon. In RNA, thymine is replaced with uracil in most cases. In DNA, thymine (T) binds to...

urine. Spontaneous deamination is the hydrolysis reaction of cytosine into uracil, releasing ammonia in the process. This can occur in vitro through the use...

Uracil phosphoribosyltransferase is an enzyme which creates UMP from uracil and phosphoribosylpyrophosphate. This protein may use the morpheein model...

Uracil glycol is a major oxidation product of cytosine in DNA. It can be readily bypassed by E. coli DNA polymerase I (unlike thymine glycol) and be a...

Uracil/thymine dehydrogenase (EC 1.17.99.4, uracil oxidase, uracil-thymine oxidase, uracil dehydrogenase) is an enzyme with systematic name uracil:acceptor...

Abraham Cantarow and Karl Paschkis found liver tumors absorbed radioactive uracil more readily than did normal liver cells. Charles Heidelberger, who had...

enzyme uracil-5-carboxylate decarboxylase (EC 4.1.1.66) catalyzes the chemical reaction uracil 5-carboxylate ⇌ {\displaystyle \rightleftharpoons } uracil +...

catalyzes the chemical reaction O3-acetyl-L-serine + uracil ⇌ {\displaystyle \rightleftharpoons } 3-(uracil-1-yl)-L-alanine + acetate Thus, the two substrates...

nucleic acids DNA and RNA, the others being adenine, cytosine, and thymine (uracil in RNA). In DNA, guanine is paired with cytosine. The guanine nucleoside...

Double-stranded uracil-DNA glycosylase (EC 3.2.2.28, Mug, double-strand uracil-DNA glycosylase, Dug, dsUDG, double-stranded DNA specific UDG, dsDNA specific...

to convey genetic information (using the nitrogenous bases of guanine, uracil, adenine, and cytosine, denoted by the letters G, U, A, and C) that directs...

Thomas B (1986). "The structures of tetraaqua(uracil-6-carboxylate)zinc(II) monohydrate (A) and tetraaqua(uracil-6-carboxylato)nickel(II) monohydrate (B)"...

5-amino-6-(5-phosphoribosylamino)uracil reductase (EC 1.1.1.193) is an enzyme that catalyzes the chemical reaction 5-amino-6-(5-phosphoribitylamino)uracil + NADP+ ⇌ {\displaystyle...

cytosine to uracil in DNA by the enzyme activation-induced cytidine deaminase, or AID. A cytosine:guanine pair is thus directly mutated to a uracil:guanine...

and DNA are: adenine, cytosine, guanine, thymine, and uracil. Thymine occurs only in DNA and uracil only in RNA. Using amino acids and protein synthesis...

is termed mature mRNA.[citation needed] mRNA uses uracil (U) instead of thymine (T) in DNA. uracil (U) is the complementary base to adenine (A) during...

hydrolytic deamination to create uracil sulfonate. Under alkaline conditions, uracil sulfonate desulfonates to generate uracil. This enables methylation detection...

(poly-(U)-specific) (EC 3.1.26.9, ribonuclease (uracil-specific), uracil-specific endoribonuclease, uracil-specific RNase) is an enzyme. This enzyme catalyses...

In enzymology, a tRNA-pseudouridine synthase I (EC 5.4.99.12) is an enzyme that catalyzes the chemical reaction tRNA uridine ⇌ {\displaystyle \rightleftharpoons...

difficult to recognize, but can be repaired by mismatch-specific glycosylases) Uracil inappropriately incorporated in DNA or formed by deamination of cytosine...

In enzymology, a methylenetetrahydrofolate-tRNA-(uracil-5-)-methyltransferase (EC 2.1.1.74) is an enzyme that catalyzes the chemical reaction 5...