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EC 3.1.1.25 Details
EC number
3.1.1.25
Accepted name
1,4-lactonase
Reaction
a 1,4-lactone + H2O = a 4-hydroxyacid
Other name(s)
γ-lactonase
Systematic name
1,4-lactone hydroxyacylhydrolase
CAS registry number
37278-38-9
Comment
The enzyme is specific for 1,4-lactones with 4-8 carbon atoms. It does not hydrolyse simple aliphatic esters, acetylcholine, sugar lactones or substituted aliphatic lactones, e.g. 3-hydroxy-4-butyrolactone; requires Ca2+.
History
created 1972, modified 1981
EC Tree
3.1.1.9 created 1961, deleted 1972
3.1.1.12 created 1961, deleted 1972
3.1.1.16 created 1961, deleted 1972
3.1.1.18 created 1961, deleted 1982
3.1.1.62 created 1989, deleted 1992
3.1.1.69 created 1992, deleted 2002