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...

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

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...

Tegafur/uracil is a chemotherapy drug combination used in the treatment of cancer, primarily bowel cancer. It is also called UFT or UFUR. UFT is a first...

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...

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

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

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

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

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...

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

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

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

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...

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...

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

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...

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

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...

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

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

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

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...

biomolecules. Recent work has also used EDC to assess the structure state of uracil nucleobases in RNA. EDC is commercially available. It may be prepared by...

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

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

thymine and uracil, thymine binds only with adenine, and cytosine and guanine can bind only with one another. Adenine, thymine, and uracil contain two...

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

Uramustine (INN) or uracil mustard is a chemotherapy drug which belongs to the class of alkylating agents. It is used in lymphatic malignancies such as...