7-amino-4-methylcoumarin (Coumarin 120) has been used as a fluorogenic probe for many serine proteases.
References:
[1]. Choi MG, et al. A fluorogenic method for measuring enteropeptidase activity: spectral shift in the emission of GD4K-conjugated 7-amino-4-methylcoumarin.BMB Rep. 2011 Jul;44(7):458-61.
















