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DNA glycosylases are a family of enzymes involved in base excision repair, classified under EC number EC 3.2.2. Base excision repair is the mechanism by which damaged bases in DNA are removed and replaced.
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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 by cleaving the N-glycosidic bond and initiating the base-excision repair (BER) pathway.
DNA-3-methyladenine glycosylase also known as 3-alkyladenine DNA glycosylase (AAG) or N-methylpurine DNA glycosylase (MPG) is an enzyme that in humans is encoded by the MPG gene. [ 5 ] [ 6 ] Alkyladenine DNA glycosylase is a specific type of DNA glycosylase .
MUTYH (mutY DNA glycosylase) is a human gene that encodes a DNA glycosylase, MUTYH glycosylase. It is involved in oxidative DNA damage repair and is part of the base excision repair pathway. The enzyme excises adenine bases from the DNA backbone at sites where adenine is inappropriately paired with guanine , cytosine , or 8-oxo-7,8 ...
Uracil DNA glycosylase flips a uracil residue out of the duplex, shown in yellow. DNA glycosylases are responsible for initial recognition of the lesion. They flip the damaged base out of the double helix, as pictured, and cleave the N-glycosidic bond of the damaged base, leaving an AP site. There are two categories of glycosylases ...
As reviewed by Li et al., [8] NTHL1 is a bifunctional DNA glycosylase that has an associated beta-elimination activity. NTHL1 is usually involved in removing oxidative pyrimidine lesions through base excision repair. NTHL1 catalyses the first step in base excision repair.
6996 545124 Ensembl ENSG00000139372 n/a UniProt Q13569 n/a RefSeq (mRNA) NM_001008411 NM_003211 NM_001363612 XM_006521630 RefSeq (protein) NP_003202 NP_001350541 n/a Location (UCSC) Chr 12: 103.97 – 103.99 Mb n/a PubMed search Wikidata View/Edit Human View/Edit Mouse G/T mismatch-specific thymine DNA glycosylase is an enzyme that in humans is encoded by the TDG gene. Several bacterial ...