?cl23721: AP2Ec Superfamily (this model, PSSM-Id:419965 is obsolete and has been replaced by 474032)
AP endonuclease family 2; These endonucleases play a role in DNA repair. Cleave phosphodiester bonds at apurinic or apyrimidinic sites; the alignment also contains hexulose-6-phosphate isomerases, enzymes that catalyze the epimerization of D-arabino-6-hexulose 3-phosphate to D-fructose 6-phosphate, via cleaving the phosphoesterbond with the sugar.
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Jiyao W et al.(2023). "The conserved domain database in 2023.",