ID 3.1.1.25 DE 1,4-lactonase. AN gamma-lactonase. CA a 1,4-lactone + H2O = a 4-hydroxyacid + H(+). CC -!- Specific for 1,4-lactones with 4-8 carbon atoms. CC -!- Does not hydrolyze simple aliphatic esters, acetylcholine, sugar CC lactones or substituted aliphatic lactones, e.g. 3-hydroxy-4- CC butyrolactone. DR A5IZ80, PFLAC_MYCAP; Q4A724, PFLAC_MYCS5; //