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Key Documents

79302

Sigma-Aldrich

Esterase from Bacillus stearothermophilus

recombinant, expressed in E. coli, ≥4.0 U/mg

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About This Item

CAS Number:
Enzyme Commission number:
EC Number:
MDL number:
UNSPSC Code:
12352204
NACRES:
NA.54

recombinant

expressed in E. coli

Quality Level

form

crystalline
crystals
powder or flakes

specific activity

≥4.0 U/mg

storage temp.

−20°C

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Application

Esterase, from Bacillus stearothermophilus, may be used for the characterization of novel esterases . Product 79302 is recombinant and expressed in E. coli.

Biochem/physiol Actions

An esterase is a hydrolase that splits esters into acids and alcohols. The esterase catalyzes the transesterification of 1-phenylethanol.
The esterase catalyzes the transesterification of 1-phenylethanol.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Unit Definition

1 U corresponds to the amount of enzyme which converts 1 μmol 4-nitrophenyl-L-acetate per minute at pH 7.5 and 30°C.

Pictograms

Health hazard

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Resp. Sens. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Young J Choi et al.
Applied and environmental microbiology, 70(6), 3213-3221 (2004-06-09)
A novel esterase gene (estI) of Lactobacillus casei CL96 was localized on a 3.3-kb BamHI DNA fragment containing an open reading frame (ORF) of 1,800 bp. The ORF of estI was isolated by PCR and expressed in Escherichia coli, the
Jessica Lusty Beech et al.
RSC advances, 12(13), 8119-8130 (2022-04-16)
Esterase enzymes catalyze diverse hydrolysis reactions with important biological, commercial, and biotechnological applications. For the improvement of these biocatalysts, there is a need for widely accessible, inexpensive, and adaptable activity screening assays that identify enzymes with particular substrate specificities. Natural
XieMei Tang et al.
Critical reviews in eukaryotic gene expression, 22(3), 179-187 (2012-11-13)
Tuberculosis remains one of the most prevalent and deadly infectious diseases, largely due to the emergence of multidrug-resistant and extensive drug-resistant Mycobacterium tuberculosis, especially the coinfection with HIV. Mycobacterium Ag85 complex (Ag85A, B, and C), with a carboxylesterase consensus sequence
Zhe-Yi Hu et al.
Analytical and bioanalytical chemistry, 405(5), 1695-1704 (2012-12-15)
Dabigatran etexilate (DABE) is an oral prodrug that is rapidly converted by esterases to dabigatran (DAB), a direct inhibitor of thrombin. To elucidate the esterase-mediated metabolic pathway of DABE, a high-performance liquid chromatography/mass spectrometry based metabolite identification and semi-quantitative estimation
Keun Na et al.
International journal of cancer, 133(2), 408-415 (2013-01-16)
Although alpha-fetoprotein (AFP) is currently the major serologic biomarker for hepatocellular carcinoma (HCC), it cannot efficiently distinguish this cancer from other forms of liver disease in early diagnosis due to its low sensitivity. The aim of this study is to

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