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Aprotinin from Bovine, Recombinant

Cat No.
NATE-1892
Description
Aprotinin is a competitive serine protease inhibitor that inhibits trypsin, chymotrypsin, kallikrein and plasmin. Aprotinin forms stable complexes with and blocks the active sites of enzymes. Binding is reversible with most aprotinin-protease complexes and dissociating at pH >10.0 or <3.0. Effective concentration is equimolar with protease.
Source
E. coli
Species
Bovine lung
Form
Liquid
Activity
> 3.0 EPU/mg protein
CAS No.
9087-70-1
Purity
> 95%
Unit Definition
One trypsin inhibitor unit (EPU) will decrease the activity of 2 trypsin units by 50% where one trypsin unit will hydrolyze 1.0 μmol of N-benzoyl-L-arginineethyl ether(BAEE) per sec at pH 7.6 at 25 °C.
A conversion factor for Aprotinin is: 1 EPU= 1 USP Aprotinin Unit = 1800 KIU.
Storage
Recombinant aprotinin should be stored under -20°C or below in sealed container. It is stable within 24 months.
Synonyms
Trypsin Inhibitor; 9087-70-1; aprotinin; Trasylol
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