45125
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:
EC Number:
MDL number:
UNSPSC Code:
12352204
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biological source
Porcine pancreas
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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