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3.1.8.2: diisopropyl-fluorophosphatase

This is an abbreviated version!
For detailed information about diisopropyl-fluorophosphatase, go to the full flat file.

Word Map on EC 3.1.8.2

Reaction

diisopropyl fluorophosphate
+
H2O
=
diisopropyl phosphate
+
fluoride

Synonyms

DFPase, di-isopropylphosphorofluoridate fluorohydrolase, dialkylfluorophosphatase, diisopropyl fluorophosphatase, diisopropyl phosphorofluoridate hydrolase, diisopropylfluorophosphatase, diisopropylfluorophosphonate dehalogenase, diisopropylphosphofluoridase, EC 3.8.2.1, h-PON1, isopropylphosphorofluoridase, More, OP-hydrolyzing enzyme, OPA anhydrase, OPA anhydrolase, OPAA, OPAA-2, opd, OPH, organophosphate acid anhydrase, organophosphate anhydrolase/prolidase, organophosphorus acid anhydrolase, organophosphorus hydrolase, organophosphorus-hydrolyzing enzyme, paraoxonase 1, phosphotriesterase, PON1, PTES5, RC, regucalcin, senescence marker protein-30, SMP30, somanase, tabunase

ECTree

     3 Hydrolases
         3.1 Acting on ester bonds
             3.1.8 Phosphoric-triester hydrolases
                3.1.8.2 diisopropyl-fluorophosphatase

pH Range

pH Range on EC 3.1.8.2 - diisopropyl-fluorophosphatase

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pH RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
4 - 10
-
active over a range of 0-0.5 M NaCl
6 - 9
-
the effect of pH 6.0-9.0 on kinetic constants kcat and KM is studied, KM shows no perceivable dependence on pH within this pH range, kcat increases with pH to a limiting value at pH 8.0
7.6 - 9
-
about half-maximal activity at pH 7.6 and about 60% of maximal activity at pH 9