KEGG   ENZYME: 3.1.8.1Help
Entry
EC 3.1.8.1                  Enzyme                                 

Name
aryldialkylphosphatase;
organophosphate hydrolase;
paraoxonase;
A-esterase;
aryltriphosphatase;
organophosphate esterase;
esterase B1;
esterase E4;
paraoxon esterase;
pirimiphos-methyloxon esterase;
OPA anhydrase;
organophosphorus hydrolase;
phosphotriesterase;
paraoxon hydrolase;
OPH;
organophosphorus acid anhydrase
Class
Hydrolases;
Acting on ester bonds;
Phosphoric-triester hydrolases
BRITE hierarchy
Sysname
aryltriphosphate dialkylphosphohydrolase
Reaction(IUBMB)
an aryl dialkyl phosphate + H2O = dialkyl phosphate + an aryl alcohol [RN:R03979]
Reaction(KEGG)
R03979 > R05548;
(other) R05421
Show
Substrate
aryl dialkyl phosphate [CPD:C03254];
H2O [CPD:C00001]
Product
dialkyl phosphate [CPD:C02534];
phenol [CPD:C15584]
Comment
Acts on organophosphorus compounds (such as paraoxon) including esters of phosphonic and phosphinic acids. Inhibited by chelating agents; requires divalent cations for activity. Previously regarded as identical with EC 3.1.1.2 arylesterase.
History
EC 3.1.8.1 created 1989
Pathway
ec00627  Aminobenzoate degradation
ec01120  Microbial metabolism in diverse environments
Orthology
K01045  arylesterase / paraoxonase
Genes
HSA: 5444(PON1) 5445(PON2) 5446(PON3)
PTR: 463547(PON1) 463548(PON3) 463549(PON2)
PPS: 100971627(PON1) 100971959(PON3) 100972315(PON2)
GGO: 101146649(PON1) 101147009(PON3) 101147360(PON2) 109027758
PON: 100436262(PON3) 100436640(PON1) 100437018(PON2)
NLE: 100602768(PON1) 100603110(PON3) 100603799(PON2)
MCC: 699107(PON2) 699236(PON3) 699355(PON1)
MCF: 102119827(PON2) 102120476(PON3) 102121098(PON1)
CSAB: 103226525(PON3) 103226526(PON2) 103226528(PON1)
RRO: 104656585(PON1) 104656587(PON3) 104656588(PON2)
RBB: 108513529(PON2) 108513530(PON3) 108513531(PON1)
CJC: 100407939(PON2) 100408549(PON3) 100408915(PON1)
SBQ: 101047829(PON3) 101048148(PON2) 101048681(PON1)
MMU: 18979(Pon1) 269823(Pon3) 330260(Pon2)
RNO: 296851(Pon2) 312086(Pon3) 84024(Pon1)
CGE: 100762244(Pon1) 100762539(Pon2) 100762826(Pon3)
NGI: 103725227(Pon3) 103725228(Pon2) 103725260(Pon1)
HGL: 101696947(Pon1) 101697319(Pon3) 101697694(Pon2)
OCU: 100008754(PON3) 100009133(PON1) 100340152(PON2)
TUP: 102467949(PON3) 102482718(PON2) 102503295(PON1)
CFA: 403855(PON2) 475234(PON1) 475235(PON3)
AML: 100466658(PON2) 100467410(PON1) 100467660(PON3)
UMR: 103658742(PON1) 103658743(PON3) 103658801(PON2)
ORO: 101371249(PON2) 101371749(PON3) 101372042(PON1)
FCA: 101091522(PON1) 101091774(PON3) 101094492(PON2)
PTG: 102965359(PON2) 102969631(PON3) 102969909(PON1)
BTA: 281417(PON2) 510953(PON3) 523798(PON1)
BOM: 102268223(PON1) 102268513(PON3) 102269334(PON2)
BIU: 109558220(PON1) 109558221(PON3) 109558222(PON2)
PHD: 102326568(PON1) 102326932(PON3) 102331586(PON2)
CHX: 102183658(PON2) 102189091(PON1) 102189455(PON3)
OAS: 100145861(PON2) 100337686(PON3) 101116983(PON1)
SSC: 100048952(PON1) 100142663(PON2) 733674(PON3)
CFR: 102519221(PON3) 102519463(PON1) 102521631(PON2)
CDK: 105088724(PON2) 105088725(PON3) 105088728(PON1)
BACU: 103002002(PON2) 103002453(PON3) 103004502(PON1)
LVE: 103072098(PON3) 103072365(PON2) 103075141(PON1) 103079171
OOR: 101286851(PON2) 101287293(PON3)
ECB: 100051896(PON1) 100051959(PON3) 100062686(PON2)
EPZ: 103541442(PON1) 103542649(PON3) 103542650(PON2) 103566405
EAI: 106838926(PON2) 106838927(PON3) 106838928(PON1)
MYB: 102249558(PON3) 102250151(PON1) 102251833(PON2)
MYD: 102757128(PON2) 102772860(PON1) 102775231(PON3)
HAI: 109393132 109393133(PON1)
PALE: 102878821(PON1) 102879084(PON3) 102879651(PON2)
LAV: 100667197(PON2) 100675274(PON3) 100675554(PON1)
MDO: 100017970(PON2) 100018559(PON3) 100028798
OAA: 103168141
GGA: 395830(PON2)
MGP: 100303695(PON2)
CJO: 107309112(PON2)
APLA: 101800414(PON2)
ACYG: 106037501(PON2)
TGU: 100218152(PON2)
GFR: 102033037(PON2)
FAB: 101812552(PON2)
PHI: 102101075(PON2)
PMAJ: 107200070
CCW: 104689162
FPG: 101913744(PON2)
FCH: 102055053(PON2)
CLV: 102089494
EGZ: 104128625
AAM: 106483521(PON2)
ASN: 102370400(PON2)
AMJ: 102569523(PON2)
PSS: 102457846(PON2)
CMY: 102930790(PON2)
CPIC: 101938475(PON2)
ACS: 100551677(pon2)
PVT: 110074724
PBI: 103052672(PON2)
GJA: 107118000(PON2)
XLA: 108718843 380341(pon2.L) 432039(pon2.S)
XTR: 448598(pon2)
DRE: 335176(pon2) 554122(pon3.1) 568655(pon3.2)
IPU: 108271509
AMEX: 103046166
TRU: 101062836
CSEM: 103388494
SFM: 108940718
LCM: 102361851
CMK: 103176917
OBI: 106873488
HMG: 100211341
AQU: 105316431
PSPI: PS2015_622
 » show all
Taxonomy
Reference
1  [PMID:13032041]
  Authors
ALDRIDGE WN.
  Title
Serum esterases.  I.  Two types of esterase (A and B) hydrolysing p-nitrophenyl acetate, propionate and butyrate, and a method for their determination.
  Journal
Biochem. J. 53 (1953) 110-7.
Reference
2  [PMID:5047702]
  Authors
Bosmann HB.
  Title
Membrane marker enzymes. Characterization of an arylesterase of guinea pig cerebral cortex utilizing p-nitrophenyl acetate as substrate.
  Journal
Biochim. Biophys. Acta. 276 (1972) 180-91.
Reference
3  [PMID:2822017]
  Authors
Mackness MI, Thompson HM, Hardy AR, Walker CH.
  Title
Distinction between 'A'-esterases and arylesterases. Implications for esterase classification.
  Journal
Biochem. J. 245 (1987) 293-6.
Reference
4  [PMID:14420012]
  Authors
MAIN AR.
  Title
The differentiation of the A-type esterases in sheep serum.
  Journal
Biochem. J. 75 (1960) 188-95.
Reference
5
  Authors
In: Reiner, E., Aldridge, W.N. and Hoskin, C.G. (Eds.), Enzymes Hydrolysing Organophosphorus Compounds, Ellis Horwood, Chichester, UK, 1989.
Other DBs
ExplorEnz - The Enzyme Database: 3.1.8.1
IUBMB Enzyme Nomenclature: 3.1.8.1
ExPASy - ENZYME nomenclature database: 3.1.8.1
UM-BBD (Biocatalysis/Biodegradation Database): 3.1.8.1
BRENDA, the Enzyme Database: 3.1.8.1
CAS: 117698-12-1

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