DNA-formamidopyrimidine glycosylase

DNA-formamidopyrimidine glycosylase
Identifiers
EC number 3.2.2.23
CAS number 78783-53-6
Databases
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structures RCSB PDB PDBe PDBsum

DNA-formamidopyrimidine glycosylase (EC 3.2.2.23, Fapy-DNA glycosylase, deoxyribonucleate glycosidase, 2,6-diamino-4-hydroxy-5N-formamidopyrimidine-DNA glycosylase, 2,6-diamino-4-hydroxy-5(N-methyl)formamidopyrimidine-DNA glycosylase, formamidopyrimidine-DNA glycosylase, DNA-formamidopyrimidine glycosidase, Fpg protein) is an enzyme with systematic name DNA glycohydrolase (2,6-diamino-4-hydroxy-5-(N-methyl)formamidopyrimide releasing).[1] This enzyme catalyses the following chemical reaction

Hydrolysis of DNA containing ring-opened 7-methylguanine residues, releasing 2,6-diamino-4-hydroxy-5-(N-methyl)formamidopyrimidine

This enzyme participates in processes leading to recovery from mutagenesis and/or cell death by alkylating agents.

References

  1. Boiteux S, O'Connor TR, Laval J (October 1987). "Formamidopyrimidine-DNA glycosylase of Escherichia coli: cloning and sequencing of the fpg structural gene and overproduction of the protein". The EMBO Journal. 6 (10): 3177–83. PMC 553760. PMID 3319582.
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