Catalog # or name ...
From Porcine Pancreas
Elastase, like trypsin and chymotrypsin, is a serine protease that also hydrolyses amides and esters. It is produced in the pancreas as an inactive zymogen, proelastase, and activated in the duodenum by trypsin. Elastase is distinctive in that it acts upon elastin. Because elastin in found in highest concentrations in the elastic fibers of connective tissues, elastase is frequently used to dissociate tissues which contain extensive intercellular fiber networks.
pancreatopeptidase E; pancreatic elastase I; elastase; elaszym; serine elastase; pancreatic elastase
Hydrolysis of proteins, including elastin. Preferential cleavage: Ala
One Unit cleaves one micromole of N-succinyl-L-alanyl-L-alanyl-L-alanine-p-nitroanilide per minute at 25°C, pH 8.0.
DFP, elastinal, -2-macroglobulin.
Elastase is unstable below pH 3-4. When stored as a dry powder the enzyme is stable 6-12 months.
Elastase is unstable ≤ pH 3.5. When stored as a dry powder the enzyme is stable for 6-12 months at 2-8°C.
White or pale yellow lyophilized powder
Loss on drying(60°C, 4 hours)
≤ 20 ppm
Residue on ignition(USP,E.P.)
≤ 2 ppm
Conclusion: Product complies with the requirements from SFDA.
Elastase, a serine protease, drawn from 1B0F.PDB by User:Jfdwolff
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