KEGG Orthology (KO) [BR:ptr00001] 09190 Not Included in Pathway or Brite 09191 Unclassified: metabolism 99980 Enzymes with EC numbers 454378 CES3; carboxylesterase 3 isoform X7 K15743 CES3_5; carboxylesterase 3/5 [EC:3.1.1.1] Enzymes [BR:ptr01000] 3. Hydrolases 3.1 Acting on ester bonds 3.1.1 Carboxylic-ester hydrolases 3.1.1.1 carboxylesterase 454378 CES3; carboxylesterase 3 isoform X7 K15743 CES3_5; carboxylesterase 3/5 [EC:3.1.1.1]