Abstract
The isolation and preliminary characterization of a trypsin-like protease with high activity at 20 degrees C is described. This protease was isolated from Antarctic krill (Euphasia superba) by a two-step chromatography process and the use of zymogram analyses. The protease has a molecular weight of 30 kDa and a pI of 4.1. Its specific activity at 20 degrees C on BAPNA is 0.5 U/mg.
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