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E0887

Esterase from rabbit liver

lyophilized powder, ≥30 units/mg protein

Synonym(s):

Carboxyl esterase, Carboxylic-ester hydrolase

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About This Item

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

lyophilized powder

Quality Level

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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1 of 1

This Item
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

storage temp.

−20°C

storage temp.

2-8°C

storage temp.

−20°C

storage temp.

2-8°C

mol wt

60 kDa

mol wt

168 kDa

mol wt

-

mol wt

-

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

Storage Class

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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Henri Chahinian et al.
Biochimica et biophysica acta, 1801(11), 1195-1204 (2010-07-27)
To differentiate esterases from lipases at the structure-function level, we have compared the kinetic properties and structural features of sequence-related esterase 1 from rabbit liver (rLE) and bile-salt-activated lipase from bovine pancreas (bBAL). In contrast to rLE, bBAL hydrolyses water-insoluble
Shijin Zhang et al.
Langmuir : the ACS journal of surfaces and colloids, 36(22), 6261-6267 (2020-05-19)
To explore the potential of step-by-step assembly in the fabrication of biological materials, we designed and synthesized two peptide-based molecules for enzyme-instructed hierarchical assembly. Upon the treatment of alkaline phosphatase, one molecule undergoes enzyme-instructed self-assembly forming uniformed nanofibers. The other
Hansjörg Schwertz et al.
Journal of cardiovascular pharmacology, 52(2), 151-160 (2008-08-02)
Animal data strongly support a role for inflammation in myocardial ischemia reperfusion injury. Attempts at cardioprotection by immunomodulation (such as with the specific C5 antibody pexelizumab) in humans have been disappointing. We hypothesized that a broader spectrum antiinflammatory agent might



Global Trade Item Number

SKUGTIN
E0887-500UN04061832755540
E0887-1KU04061833601297

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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