KEGG Orthology (KO) [BR:ko00001] 09100 Metabolism 09104 Nucleotide metabolism 00230 Purine metabolism [PATH:ko00230] K01239 E3.2.2.1; purine nucleosidase [EC:3.2.2.1] Enzymes [BR:ko01000] 3. Hydrolases 3.2 Glycosylases 3.2.2 Hydrolysing N-glycosyl compounds 3.2.2.1 purine nucleosidase K01239 E3.2.2.1; purine nucleosidase [EC:3.2.2.1]