class I DNA-(apurinic or apyrimidinic site) endonuclease activity (Q34352927)
Catalysis of the cleavage of an AP site 3' of the baseless site by a beta-lyase mechanism, leaving an unsaturated aldehyde, termed a 3'-(4-hydroxy-5-phospho-2-pentenal) residue, and a 5'-phosphate.
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aliases GO:0140078
 class I DNA-(apurinic or apyrimidinic site) lyase activity
 AP site-DNA 5'-phosphomonoester-lyase activity
 DNA-(apurinic or apyrimidinic site) lyase activity
 DNA-(apurinic or apyrimidinic site) 5'-phosphomonoester-lyase activity
description Catalysis of the cleavage of an AP site 3' of the baseless site by a beta-lyase mechanism, leaving an unsaturated aldehyde, termed a 3'-(4-hydroxy-5-phospho-2-pentenal) residue, and a 5'-phosphate.

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(P686) GO:0140078