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E0887

Esterase from rabbit liver

lyophilized powder, ≥30 units/mg protein

Synonyme(s) :

Carboxyl esterase, Carboxylic-ester hydrolase

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A propos de cet article

Numéro CAS:
UNSPSC Code:
12352204
NACRES:
NA.54
EC Number:
232-773-7
MDL number:
Numéro CE :
Specific activity:
≥30 units/mg protein
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form

lyophilized powder

Quality Segment

specific activity

≥30 units/mg protein

mol wt

60 kDa

composition

Protein, ≥85% biuret

storage temp.

−20°C

General description

Esterase belongs to the C-family of carboxylesterases.[1] It is a glycoprotein, mainly present in the endoplasmic reticulum of hepatocytes.[2]

Application

Esterase from rabbit liver has been used in a study to investigate a toxic effect of carbamate insecticides. Esterase from rabbit liver has also been used in a study to investigate the effect of simvastatin on expression and activity of a lipoprotein-associated phospholipase A(2).
Esterase from rabbit liver has been used:
  • in comparative biophysical studies with bovine bile-salt-activated lipase in the assays with vinyl acetate, triacylglycerols, p-nitrophenyl esters and serine enzyme inhibitors[1]
  • in the catalysis and kinetic profiling studies of peptidic compounds[3]
  • in in vitro stability assays of prodrug compounds (BMS-292655 and BMS300043)[4]
  • in the hydrolysis of oleuropein aglycone (Ole-AG)[5]

The enzyme from Sigma has been used to study the effect of divalent metal ions on the activity of esterase.[6]

Biochem/physiol Actions

Esterase enzyme catalyzes hydrolysis of carboxylic ester to carboxylate and alcohol in the presence of water. Rabbit liver carboxylesterase catalyzes enantioselective hydrolysis of cineol derivatives.[7]
Esterase enzyme has broad substrate specificity.[3] Esterase from rabbit liver has been used to investigate the toxic effect of carbamate insecticides.[8] Esterase from rabbit liver has also been used for the hydrolysis of simvastatin.[9]

Physical form

Lyophilized powder containing Tris buffer salts

Other Notes

One unit will hydrolyze 1.0 μmole of ethyl butyrate to butyric acid and ethanol per min at pH 8.0 at 25 °C.

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Cet article
E28844338846051
specific activity

≥30 units/mg protein

specific activity

≥150 units/mg protein (biuret)

specific activity

≥30.0 U/g

specific activity

≥0.2 U/mg

form

lyophilized powder

form

ammonium sulfate suspension

form

crystalline, crystals, powder or flakes

form

lyophilized

mol wt

60 kDa

mol wt

168 kDa

mol wt

-

mol wt

-

storage temp.

−20°C

storage temp.

2-8°C

storage temp.

−20°C

storage temp.

2-8°C

Quality Level

200

Quality Level

300

Quality Level

100

Quality Level

-

composition

Protein, ≥85% biuret

composition

-

composition

-

composition

-


pictograms

Health hazard

signalword

Danger

hcodes

Hazard Classifications

Resp. Sens. 1

Classe de stockage

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)



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Questions

  1. Is it possible for the esterase from rabbit liver (E0887) to hydrolyze ethyl hexanoate into hexanoic acid?

    1 answer
    1. The product has been evaluated for the conversion of ethyl butyrate to butyric acid and ethanol. However, there has been no evaluation for the hydrolysis of ethyl hexanoate into hexanoic acid, and there are no known citations of this product for ethyl hexanoate hydrolysis. Due to the structural similarity between ethyl hexanoate and ethyl butyrate, both containing an ester bond, it's possible that this product could hydrolyze ethyl hexanoate, as esterases typically accommodate a wide range of ester substrates. However, the rate and efficiency of the hydrolysis may differ from the enzyme activity tested using ethyl butyrate as a substrate.

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