Effectively, by supplementing trypsin with Lys-C, we create improved trypsin. Trypsin is the most popular protease used in mass spectrometry because of its high proteolytic activity and cleavage ...

We report here the first three-dimensional structure of the D1 C-terminal processing protease (D1P), which is ... with the enzyme active site Ser 372 / Lys 397 catalytic dyad, which lies at ...