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Uracil-DNA glycosylase

Index Uracil-DNA glycosylase

Uracil-DNA glycosylase, also known as UNG or UDG, is an enzyme. [1]

47 relations: Active site, Adenine, Adenosine triphosphate, AP site, Aspartic acid, Base excision repair, Base pair, Carbonyl group, Conserved sequence, Cytosine, Deamination, Deoxyuridine monophosphate, DNA, DNA glycosylase, DNA polymerase, DNA repair, DNA replication, Endospore, GC-content, Gene, Glutamine, Glycine, Glycosidic bond, Gram-positive bacteria, Guanine, Histidine, Homology (biology), Human, Hydrogen bond, Intercalation (biochemistry), Leaving group, Leucine, Methyl group, Nucleophile, Nucleotide, Permafrost, Polymerase chain reaction, Proline, Protein–protein interaction, Purine, Replication protein A2, Serine, Thymine, Transcription (biology), Translation (biology), Tyrosine, Uracil.

Active site

In biology, the active site is the region of an enzyme where substrate molecules bind and undergo a chemical reaction.

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Adenine

Adenine (A, Ade) is a nucleobase (a purine derivative).

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Adenosine triphosphate

Adenosine triphosphate (ATP) is a complex organic chemical that participates in many processes.

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AP site

In biochemistry and molecular genetics, an AP site (apurinic/apyrimidinic site), also known as an abasic site, is a location in DNA (also in RNA but much less likely) that has neither a purine nor a pyrimidine base, either spontaneously or due to DNA damage.

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Aspartic acid

Aspartic acid (symbol Asp or D; salts known as aspartates), is an α-amino acid that is used in the biosynthesis of proteins.

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Base excision repair

In biochemistry and genetics, base excision repair (BER) is a cellular mechanism that repairs damaged DNA throughout the cell cycle.

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Base pair

A base pair (bp) is a unit consisting of two nucleobases bound to each other by hydrogen bonds.

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Carbonyl group

In organic chemistry, a carbonyl group is a functional group composed of a carbon atom double-bonded to an oxygen atom: C.

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Conserved sequence

In evolutionary biology, conserved sequences are similar or identical sequences in nucleic acids (DNA and RNA) or proteins across species (orthologous sequences) or within a genome (paralogous sequences).

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Cytosine

Cytosine (C) is one of the four main bases found in DNA and RNA, along with adenine, guanine, and thymine (uracil in RNA).

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Deamination

Deamination is the removal of an amine group from a protein molecule.

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Deoxyuridine monophosphate

Deoxyuridine monophosphate (dUMP), also known as deoxyuridylic acid or deoxyuridylate in its conjugate acid and conjugate base forms, respectively, is a deoxynucleotide.

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DNA

Deoxyribonucleic acid (DNA) is a thread-like chain of nucleotides carrying the genetic instructions used in the growth, development, functioning and reproduction of all known living organisms and many viruses.

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DNA glycosylase

DNA glycosylases are a family of enzymes involved in base excision repair, classified under EC number EC 3.2.2.

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DNA polymerase

DNA polymerases are enzymes that synthesize DNA molecules from deoxyribonucleotides, the building blocks of DNA.

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DNA repair

DNA repair is a collection of processes by which a cell identifies and corrects damage to the DNA molecules that encode its genome.

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DNA replication

In molecular biology, DNA replication is the biological process of producing two identical replicas of DNA from one original DNA molecule.

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Endospore

An endospore is a dormant, tough, and non-reproductive structure produced by certain bacteria from the Firmicute phylum.

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GC-content

In molecular biology and genetics, GC-content (or guanine-cytosine content) is the percentage of nitrogenous bases on a DNA or RNA molecule that are either guanine or cytosine (from a possibility of four different ones, also including adenine and thymine in DNA and adenine and uracil in RNA).

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Gene

In biology, a gene is a sequence of DNA or RNA that codes for a molecule that has a function.

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Glutamine

Glutamine (symbol Gln or Q) is an α-amino acid that is used in the biosynthesis of proteins.

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Glycine

Glycine (symbol Gly or G) is the amino acid that has a single hydrogen atom as its side chain.

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Glycosidic bond

In chemistry, a glycosidic bond or glycosidic linkage is a type of covalent bond that joins a carbohydrate (sugar) molecule to another group, which may or may not be another carbohydrate.

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Gram-positive bacteria

Gram-positive bacteria are bacteria that give a positive result in the Gram stain test, which is traditionally used to quickly classify bacteria into two broad categories according to their cell wall.

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Guanine

Guanine (or G, Gua) is one of the four main nucleobases found in the nucleic acids DNA and RNA, the others being adenine, cytosine, and thymine (uracil in RNA).

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Histidine

Histidine (symbol His or H) is an α-amino acid that is used in the biosynthesis of proteins.

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Homology (biology)

In biology, homology is the existence of shared ancestry between a pair of structures, or genes, in different taxa.

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Human

Humans (taxonomically Homo sapiens) are the only extant members of the subtribe Hominina.

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Hydrogen bond

A hydrogen bond is a partially electrostatic attraction between a hydrogen (H) which is bound to a more electronegative atom such as nitrogen (N), oxygen (O), or fluorine (F), and another adjacent atom bearing a lone pair of electrons.

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Intercalation (biochemistry)

In biochemistry, intercalation is the insertion of molecules between the planar bases of deoxyribonucleic acid (DNA).

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Leaving group

In chemistry, a leaving group is a molecular fragment that departs with a pair of electrons in heterolytic bond cleavage.

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Leucine

Leucine (symbol Leu or L) is an essential amino acid that is used in the biosynthesis of proteins.

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Methyl group

A methyl group is an alkyl derived from methane, containing one carbon atom bonded to three hydrogen atoms — CH3.

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Nucleophile

Nucleophile is a chemical species that donates an electron pair to an electrophile to form a chemical bond in relation to a reaction.

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Nucleotide

Nucleotides are organic molecules that serve as the monomer units for forming the nucleic acid polymers deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), both of which are essential biomolecules within all life-forms on Earth.

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Permafrost

In geology, permafrost is ground, including rock or (cryotic) soil, at or below the freezing point of water for two or more years.

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Polymerase chain reaction

Polymerase chain reaction (PCR) is a technique used in molecular biology to amplify a single copy or a few copies of a segment of DNA across several orders of magnitude, generating thousands to millions of copies of a particular DNA sequence.

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Proline

Proline (symbol Pro or P) is a proteinogenic amino acid that is used in the biosynthesis of proteins.

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Protein–protein interaction

Protein–protein interactions (PPIs) are the physical contacts of high specificity established between two or more protein molecules as a result of biochemical events steered by electrostatic forces including the hydrophobic effect.

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Purine

A purine is a heterocyclic aromatic organic compound that consists of a pyrimidine ring fused to an imidazole ring.

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Replication protein A2

Replication protein A 32 kDa subunit is a protein that in humans is encoded by the RPA2 gene.

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Serine

Serine (symbol Ser or S) is an ɑ-amino acid that is used in the biosynthesis of proteins.

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Thymine

---> Thymine (T, Thy) is one of the four nucleobases in the nucleic acid of DNA that are represented by the letters G–C–A–T.

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Transcription (biology)

Transcription is the first step of gene expression, in which a particular segment of DNA is copied into RNA (especially mRNA) by the enzyme RNA polymerase.

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Translation (biology)

In molecular biology and genetics, translation is the process in which ribosomes in the cytoplasm or ER synthesize proteins after the process of transcription of DNA to RNA in the cell's nucleus.

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Tyrosine

Tyrosine (symbol Tyr or Y) or 4-hydroxyphenylalanine is one of the 20 standard amino acids that are used by cells to synthesize proteins.

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Uracil

Uracil (U) is one of the four nucleobases in the nucleic acid of RNA that are represented by the letters A, G, C and U. The others are adenine (A), cytosine (C), and guanine (G).

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Redirects here:

EC 3.2.2.27, UNG (gene), Uracil-DNA deoxyribohydrolase (uracil-releasing).

References

[1] https://en.wikipedia.org/wiki/Uracil-DNA_glycosylase

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