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Information on EC 4.2.99.18 - DNA-(apurinic or apyrimidinic site) lyase

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EC Tree
     4 Lyases
         4.2 Carbon-oxygen lyases
             4.2.99 Other carbon-oxygen lyases
                4.2.99.18 DNA-(apurinic or apyrimidinic site) lyase
IUBMB Comments
'Nicking' of the phosphodiester bond is due to a lyase-type reaction, not hydrolysis. This group of enzymes was previously listed as endonucleases, under EC 3.1.25.2.
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Word Map
The enzyme appears in viruses and cellular organisms
Reaction Schemes
the C-O-P bond 3' to the apurinic or apyrimidinic site in DNA is broken by a beta-elimination reaction, leaving a 3'-terminal unsaturated sugar and a product with a terminal 5'-phosphate
Synonyms
8-oxoG DNA glycosylase, abasic (AP)-endonuclease, abasic endonuclease, AdAPE1/Ref-1, Af0371, Afogg enzyme, AP 1, AP DNA endonuclease 1, AP Dnase, AP endo, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
the C-O-P bond 3' to the apurinic or apyrimidinic site in DNA is broken by a beta-elimination reaction, leaving a 3'-terminal unsaturated sugar and a product with a terminal 5'-phosphate
show the reaction diagram