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Enzymatic measurements for the detection of trypsin and carboxypeptidase A inhibitory activity

External protocol Created on 03 May 2014

Authors

Oscar Yanes, Josep Villanueva, Enrique Querol, and Francesc Aviles

Summary

This method can be used to measure the inhibitory activity of a biological extract against the target protease. In the associated Nature Protocol this method was used to determine the activity of C18 HPLC fractions before assaying non-convalent protein interactions by ‘intensity fading’ MALDI-TOF mass spectrometry. It is advised that the inhibitory activity assay of each fraction should be performed in triplicate for each RP-HPLC fractionation to ensure reproducibility.

Further details

The protocol was published on Protocol Exchange in 2007. To see the entire protocol, click on the source link.

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