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EC 3.1.2.29 Details
EC number
3.1.2.29
Accepted name
fluoroacetyl-CoA thioesterase
Reaction
fluoroacetyl-CoA + H2O = fluoroacetate + CoA
Systematic name
fluoroacetyl-CoA hydrolase
Comment
Fluoroacetate is extremely toxic. It reacts with CoA to form fluoroacetyl-CoA, which substitutes for acetyl CoA and reacts with EC 2.3.3.1 (citrate synthase) to produce fluorocitrate, a metabolite of which binds very tightly to EC 4.2.1.3 (aconitase) and halts the TCA cycle. This enzyme hydrolyses fluoroacetyl-CoA before it can react with citrate synthase, and thus confers fluoroacetate resistance on the organisms that produce it. It has been described in the poisonous plant Dichapetalum cymosum and the bacterium Streptomyces cattleya, both of which are fluoroacetate producers.
History
created 2011
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
3.1.2.8 created 1961, deleted 1978
3.1.2.9 created 1961, deleted 1964
3.1.2.24 created 2000, deleted 2005
3.1.25.2 created 1978, deleted 1992