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Safety Information

E5510

Sigma-Aldrich

Enterokinase from bovine intestine

salt-free, lyophilized powder, ≥0.5 units/mg solid

Synonym(s):

Enteropeptidase

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About This Item

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

form

salt-free, lyophilized powder

specific activity

≥0.5 units/mg solid

foreign activity

trypsin and aminopeptidase <5%

storage temp.

−20°C

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Application

Enterokinase is a member of the S1 peptidase family. In vivo, it is responsble for the proteolytic activation of trypsin from trypsinogen. Enterokinase is used for site specific cleavage of recombinant fusion proteins containing an accessible enterokinase recognition site for removal of affinity tags.

Unit Definition

One unit will produce 1.0nanomole of trypsin from trypsinogen per min at pH5.6 at 25 °C.

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