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22256 Ensembl ENSG00000076248 ENSMUSG00000029591 UniProt P13051 P97931 RefSeq (mRNA) NM_080911 NM_003362 NM_001040691 NM_011677 RefSeq (protein) NP_003353 NP_550433 NP_001035781 NP_035807 Location (UCSC) Chr 12: 109.1 – 109.11 Mb Chr 5: 114.27 – 114.28 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Uracil-DNA glycosylase (also known as UNG or UDG) is an enzyme. Its most ...
Single-strand selective monofunctional uracil DNA glycosylase is an enzyme that in humans is encoded by the SMUG1 gene. [ 4 ] [ 5 ] [ 6 ] SMUG1 is a glycosylase that removes uracil from single- and double-stranded DNA in nuclear chromatin, thus contributing to base excision repair .
This is a list of mnemonics used in medicine and medical science, categorized and alphabetized. A mnemonic is any technique that assists the human memory with information retention or retrieval by making abstract or impersonal information more accessible and meaningful, and therefore easier to remember; many of them are acronyms or initialisms which reduce a lengthy set of terms to a single ...
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 ...
Very short patch (VSP) repair is a DNA repair system that removes GT mismatches created by the deamination of 5-methylcytosine to thymine.This system exists because the glycosylases which normally target deaminated bases cannot target thymine (it being one of the regular four bases in DNA).
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 UDG, UdgB, G:T/U mismatch-specific DNA glycosylase, UDG) is an enzyme with systematic name uracil-double-stranded DNA deoxyribohydrolase (uracil-releasing).
Uracil-DNA glycosylases are DNA repair enzymes that excise uracil residues from DNA by cleaving the N-glycosydic bond, initiating the base excision repair pathway. Uracil in DNA can arise either through the deamination of cytosine to form mutagenic U:G mispairs, or through the incorporation of dUMP by DNA polymerase to form U:A pairs . [ 18 ]
Therefore, if there were an organism that used uracil in its DNA, the deamination of cytosine (which undergoes base pairing with guanine) would lead to formation of uracil (which would base pair with adenine) during DNA synthesis. Uracil-DNA glycosylase excises uracil bases from double-stranded DNA. This enzyme would therefore recognize and cut ...