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...
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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...
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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...
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Uracil dehydrogenase (EC 1.1.99.19, uracil oxidase) is an enzyme with systematic name uracil:(acceptor) oxidoreductase. This enzyme catalyses the following...
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Tegafur/uracil (abbreviation: UFT) is a chemotherapy drug combination used in the treatment of cancer, primarily bowel cancer. UFT is an oral formulation...
16 KB (1,633 words) - 15:07, 3 July 2024
Uracil phosphoribosyltransferase is an enzyme which creates UMP from uracil and phosphoribosylpyrophosphate. This protein may use the morpheein model...
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DNA glycosylase (section Uracil DNA glycosylases)
represents various uracil-DNA glycosylases and related DNA glycosylases (EC), such as uracil-DNA glycosylase, thermophilic uracil-DNA glycosylase, G:T/U...
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Uridine diphosphate glucose (redirect from Uracil-diphosphate glucose)
Uridine diphosphate glucose (uracil-diphosphate glucose, UDP-glucose) is a nucleotide sugar. It is involved in glycosyltransferase reactions in metabolism...
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nucleobases are pyrimidine derivatives: cytosine (C), thymine (T), and uracil (U). The pyrimidine ring system has wide occurrence in nature as substituted...
23 KB (2,120 words) - 10:08, 22 June 2024
Uracil/thymine dehydrogenase (EC 1.17.99.4, uracil oxidase, uracil-thymine oxidase, uracil dehydrogenase) is an enzyme with systematic name uracil:acceptor...
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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...
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urine. Spontaneous deamination is the hydrolysis reaction of cytosine into uracil, releasing ammonia in the process. This can occur in vitro through the use...
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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...
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Five nucleobases—adenine (A), cytosine (C), guanine (G), thymine (T), and uracil (U)—are called primary or canonical. They function as the fundamental units...
15 KB (1,434 words) - 14:39, 12 August 2024
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...
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enzyme uracil-5-carboxylate decarboxylase (EC 4.1.1.66) catalyzes the chemical reaction uracil 5-carboxylate ⇌ {\displaystyle \rightleftharpoons } uracil +...
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Uracilylalanine synthase (redirect from O3-acetyl-L-serine:uracil 1-(2-amino-2-carboxyethyl)transferase)
catalyzes the chemical reaction O3-acetyl-L-serine + uracil ⇌ {\displaystyle \rightleftharpoons } 3-(uracil-1-yl)-L-alanine + acetate Thus, the two substrates...
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Fluorouracil (redirect from Fluro Uracil)
Abraham Cantarow and Karl Paschkis found liver tumors absorbed radioactive uracil more readily than did normal liver cells. Charles Heidelberger, who had...
31 KB (2,796 words) - 07:50, 10 August 2024
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...
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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...
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Thomas B (1986). "The structures of tetraaqua(uracil-6-carboxylate)zinc(II) monohydrate (A) and tetraaqua(uracil-6-carboxylato)nickel(II) monohydrate (B)"...
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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...
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hydrolytic deamination to create uracil sulfonate. Under alkaline conditions, uracil sulfonate desulfonates to generate uracil. This enables methylation detection...
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Uramustine (redirect from Uracil mustard)
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...
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thymine and uracil, thymine binds only with adenine, and cytosine and guanine can bind only with one another. Adenine, thymine, and uracil contain two...
59 KB (6,458 words) - 15:23, 8 August 2024
corresponding bases except in the case of thymine (T), for which RNA substitutes uracil (U). Under the genetic code, these RNA strands specify the sequence of amino...
166 KB (17,859 words) - 20:11, 4 August 2024
In enzymology, a tRNA (uracil-5-)-methyltransferase (EC 2.1.1.35) is an enzyme that catalyzes the chemical reaction S-adenosyl-L-methionine + tRNA containing...
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TRNA-pseudouridine synthase I (redirect from TRNA-uridine38-40 uracil mutase)
In enzymology, a tRNA-pseudouridine synthase I (EC 5.4.99.12) is an enzyme that catalyzes the chemical reaction tRNA uridine ⇌ {\displaystyle \rightleftharpoons...
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In enzymology, a methylenetetrahydrofolate-tRNA-(uracil-5-)-methyltransferase (EC 2.1.1.74) is an enzyme that catalyzes the chemical reaction 5...
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Messenger RNA (section Uracil substitution for thymine)
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...
49 KB (5,922 words) - 15:23, 12 August 2024