Pressure-Enhanced Enzymes Application Notes

Pressure-Enhanced Enzymes Application Notes

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Introduction
Pressure Cycling Technology (PCT) has been proven to accelerate enzymatic protein digestion. The positive effect of PCT on trypsin digestion is well established [1-4] for improved sequence coverage, higher recovery and significantly reduced digestion times. Not only has PCT been shown to accelerate and improve digestion in solution, but it can also accelerate in-gel trypsin digestion [4, 5]. Additionally, the enhancing effect of PCT on the activity of several other enzymes, including Proteinase K, PNGase F, chymotrypsin and lysozyme has been reported [6-10].

Introduction
Pressure Cycling Technology (PCT) has been proven to accelerate enzymatic protein digestion. The positive effect of PCT on trypsin digestion has been demonstrated by several laboratories [1, 2, 3] who have reported improved sequence coverage, higher recovery and significantly reduced digestion times when the trypsin reactions were carried out under pressure. Not only has PCT been shown to accelerate and improve digestion in solution, but it can also accelerate in-gel trypsin digestion [4, 5]. Additionally, the enhancing effect of PCT on the activity of several other enzymes, including Proteinase K, PNGase F, Lys-C and lysozyme has been reported [6, 7, 8, 9].