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Sigma-Aldrich

Elastase from porcine pancreas

lyophilized, powder, white, ~8 U/mg

Synonym(s):

Elastase from hog pancreas, Pancreatopeptidase E

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About This Item

CAS Number:
Enzyme Commission number:
EC Number:
MDL number:
UNSPSC Code:
12352204

biological source

Porcine pancreas

Quality Level

form

powder

quality

lyophilized

specific activity

~8 U/mg

mol wt

Mr ~25000

impurities

salt, none detected

color

white

storage temp.

−20°C

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Biochem/physiol Actions

Elastase hydrolyses elastin, the specific protein of elastic fibers, and digests hemoglobin, casein and fibrin.

Unit Definition

1 U corresponds to the amount of enzyme which liberates 1 μmol 4-nitroaniline per minute at 25°C and pH 7.8 (succinyl-(L-Ala)3-4-nitroanilide as substrate)
One unit will hydrolyze 1.0 μmole of N-succinyl-L-Ala-Ala-Ala-p-nitroanilide per min, pH 8.0 at 25 °C.

Other Notes

For protein sequence studies, limited proteolysis; Application in (selective) hydrolysis/condensation of carboxylic ester bonds
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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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I Grunnet et al.
The Biochemical journal, 209(1), 215-222 (1983-01-01)
Fatty acid synthetase from goat mammary gland was subjected to limited proteolysis by trypsin and elastase. Both proteolytic enzymes selectively cleaved the chain-terminating thioester hydrolase component from the enzyme complex, leaving all other partial activities intact in the core peptides.
T. Sakurai et al.
Journal of the American Chemical Society, 110, 7236-7236 (1988)
Paul D Thornton et al.
Macromolecular rapid communications, 34(3), 257-262 (2013-01-05)
The generation of a range of star-shaped block copolymers composed of a biocompatible poly(ethylene glycol) (PEG) core tethered to a polyalanine (PAla) shell that possesses the capability to (reversibly) self-assemble in water is described. The hydrogels formed offer a hydrophilic
Etsuko Kurimoto et al.
Respiratory research, 14, 5-5 (2013-01-22)
Pulmonary emphysema is characterized by alveolar destruction and persistent inflammation of the airways. Although IL-17A contributes to many chronic inflammatory diseases, it's role in the inflammatory response of elastase-induced emphysema remains unclear. In a model of elastase-induced pulmonary emphysema we
Gerwin E Engels et al.
Journal of cardiothoracic surgery, 8, 4-4 (2013-01-11)
Despite continuous improvements in materials and perfusion techniques, cardiac surgery still causes lung injury and a delay of pulmonary recovery. Currently, there is no gold standard for quantifying cardiac surgery induced lung injury and dysfunction. Adding objective measures, such as

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