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3.1.8.1: aryldialkylphosphatase

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

Word Map on EC 3.1.8.1

Reaction

An aryl dialkyl phosphate
+
H2O
=
dialkyl phosphate
+
an aryl alcohol

Synonyms

A-esterase, A7Q26_23485, aminopeptidase P, AMPP, aryldialkylphosphatase, arylesterase, aryltriphosphatase, bacterial phosphotriesterase, DFPase, diisopropyl fluorophosphatase, esterase B1, esterase E4, esterase, organophosphate, esterase, paraoxon, esterase, pirimiphos-methyloxon, G3C9 rePON1, h-PON1, HAD, haloalkylphosphorus hydrolase, HDL-associated esterase/lactonase paraoxonase 1, HDL-PON1, high activity paraoxonase, high-density lipoprotein-associated esterase/lactonase, human paraoxonase 1, HuPON1, inner membrane protein YiaH, lactonase SsoPox, lactonase/phosphotriesterase, low activity paraoxonase, methyl parathion hydrolase, More, Mph, mPHP, OP hydrolase, OP-hydrolase, OP-hydrolyzing enzyme, OPA anhydrase, opd, OpdA, OpdD, OPH, OPHC2, organophosphate hydrolase, organophosphorous hydrolase, organophosphorus acid anhydrase, organophosphorus hydrolase, organophosphorus pesticide hydrolase, organophosphorus-hydrolyzing enzyme, paraoxon hydrolase, paraoxonase, paraoxonase 1, paraoxonase 1A, paraoxonase 3, paraoxonase-1, paraoxonase-2, paraoxonase1, parathion hydrolase, phosphotriesterase, phosphotriesterase homology protein, phosphotriesterase-like lactonase, PHP, pirimiphos-methyloxon esterase, PLL, PO.ase, PON, PON 1, PON-1, PON-aryl, PON-para, PON1, PON1A, PON2, PON3, POX, PTE, PTE S5, Rv0230c, SACI2140, Saci_2140, SacPox, Sb-PTE, serum paraoxonase, serum paraoxonase 1, SisLac, SisPox, Sso, SSO2522, SsoPox, type A paraoxonase, type B paraoxonase, VmoLac, Vmut2255, VmutPLL

ECTree

     3 Hydrolases
         3.1 Acting on ester bonds
             3.1.8 Phosphoric-triester hydrolases
                3.1.8.1 aryldialkylphosphatase

Activating Compound

Activating Compound on EC 3.1.8.1 - aryldialkylphosphatase

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ACTIVATING COMPOUND
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
2-mercaptoethanol
-
13% activation at 1 mM
3-octylthio-1,1,1-trifluoro-2-propanone
-
activates
3-[(3-cholamidopropyl)-dimethylammonio]-1-propanesulfonate
the enzyme is activated by 87% by incubation with 1% (w/v) 3-[(3-cholamidopropyl)-dimethylammonio]-1-propanesulfonate, at 30°C
aspirin
beta-Lactoglobulin
maximum activity in the presence of 0.1% (w/v) beta-lactoglobulin. There are neither additives nor synergistic effect of ZnCl2 and beta-lactoglobulin
-
Ca2+
-
required
commercial soap LM1
wild-type SsoPox, at 70°C, 13fold enhancement of hydrolytic activity in the presence of 0.05% LM1, and for mutant C258L/I261F/W263A at 65°C 1.3fold enhancement
-
di-oleoyl phosphatidylcholine
2.6 mM di-oleoyl phosphatidylcholine stimulates arylesterase activity of PON1 3.5fold
didecanoylphosphatidylcholine
stimulation of arylesterase activity is greater than stimulation of paraoxonase activity
dilauroyl phosphatidylcholine
-
stimulation
dilauroylphosphatidylcholine
stimulation of arylesterase activity is greater than stimulation of paraoxonase activity
dimethyl sulfoxide
21% increase of activity at 50% (v/v) dimethyl sulfoxide, at 30°C
dimyristoylphosphatidylcholine
stimulation of arylesterase activity is greater than stimulation of paraoxonase activity
dioleoyl phosphatidylcholine
-
stimulation
dipalmitoylphosphatidylcholine
stimulation of arylesterase activity is greater than stimulation of paraoxonase activity
dithioerythritol
-
20% activation at 1 mM
DTT
-
28% activation at 1 mM
ethanol
15% increase of activity at 50% (v/v) ethanol, at 30°C
HDL
modulation of substrate selectivity and catalytic stimulation by HDL
-
high-density lipoprotein
paraoxonase and arylesterase activities are stimulated by high-density lipoprotein by 2-5fold, almost independently of the apoliporotein content
-
lecithin
-
stimulation
Lubrol
the enzyme is activated by 14% by incubation with 1% Lubrol, at 30°C
-
lysolecithin
-
stimulation
Methylcyclohexane
-
about 250% activity at 100% (v/v)
Mg2+
-
Mg2, Mn2+ and other divalent metal ions can not substitute for Ca2+ and lead to a loss od arylesterase activity
Mn2+
-
Mg2, Mn2+ and other divalent metal ions can not substitute for Ca2+ and lead to a loss od arylesterase activity
palmitoyl-lysophosphatidylglycerol
0.01 mM, 14% stimulation of paraoxonase, 40% stimulation of diazoxonase
paraoxon
phosphate
phosphatidylcholine
-
purified A or B-type esterases are stimulated
phosphatidylethanolamine
-
stimulation
phosphatidylglycerol
-
stimulation
pyridoxal 5'-phosphate
110% activity in the presence of 5 mM pyridoxal 5'-phosphate, after 30 min at 30°C
salicylic acid
simvastatin
-
used for treatment of hyperlipoproteinemia type IIa and IIb, simvastatin leads to lipid lowering of total and LDL cholesterol and an increase in PON1 activity in patients with both types of hyperlipoproteinemia, mechanism involving apolipoprotein A-I, overview
sodium deoxycholate
0.05%, approximately 33times catalytic efficiency enhancement compared to that without detergent
Triton X-100
Tween 20
the enzyme is activated by 67% by incubation for 60 min with 1% (v/v) Tween 20 at 30°C
additional information
-