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Merck

E0887

Sigma-Aldrich

Esterase from rabbit liver

lyophilized powder, ≥30 units/mg protein

Sinónimos:

Carboxyl esterase, Carboxylic-ester hydrolase

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500 UNITS
US$ 356,00
1000 UNITS
US$ 590,00

US$ 356,00


Fecha estimada de envío11 de abril de 2025



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500 UNITS
US$ 356,00
1000 UNITS
US$ 590,00

About This Item

Número de CAS:
Comisión internacional de enzimas:
EC Number:
MDL number:
UNSPSC Code:
12352204
NACRES:
NA.54

US$ 356,00


Fecha estimada de envío11 de abril de 2025


form

lyophilized powder

Quality Level

specific activity

≥30 units/mg protein

mol wt

60 kDa

composition

Protein, ≥85% biuret

storage temp.

−20°C

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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]

Unit Definition

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

Physical form

Lyophilized powder containing Tris buffer salts

substrate

Referencia del producto
Descripción
Precios

pictograms

Health hazard

signalword

Danger

hcodes

Hazard Classifications

Resp. Sens. 1

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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Los clientes también vieron

Ziwei Li et al.
Journal of pharmaceutical and biomedical analysis, 168, 13-22 (2019-02-19)
Simvastatin is known as a pro-drug, which could be hydrolyzed by esterases to its active form, simvastatin acid. Although pharmacokinetics of simvastatin and simvastatin acid have been widely studied, hydrolysis of simvastatin to simvastatin acid during blood sampling and plasma
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
Anna Sobeková et al.
Acta biologica Hungarica, 60(1), 45-54 (2009-04-22)
The activities of the antioxidant and detoxifying enzymes, superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GSHPx), glutathione reductase (GR), glutathione-S-transferase (GST), and the content of thiobarbituric acid reactive substances (TBARS) were determined in the liver and kidney of rabbits after
J Ozols
The Journal of biological chemistry, 262(31), 15316-15321 (1987-11-05)
A glycoprotein having a subunit weight of approximately 60,000 was isolated from rabbit liver microsomes. It is a predominant component of the hepatic microsomal membrane and reacts rapidly with diisopropylphosphorofluoridate (DFP), resulting in the loss of enzymatic activity toward artificial

Protocolos

Objective: To standardize a procedure for the enzymatic determination of Esterase activity using Ethyl Butyrate as a substrate.

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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