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Table 1 The parameters of purification of serratiopeptidase from culture supernatant up to ion-exchange chromatography

From: Purification and characterization of thermoactive serratiopeptidase from Serratia marcescens AD-W2

Sample Total protease unit Total protein content (mg) Specific activity (units of enzyme activity/mg protein) Purification fold
Culture supernatant 613,851.8 158.3 3877.466 1
Ammonium sulphate (40–80%) 49,156.85 6.42 7658.901 1.97
Ion exchange chromatography (MonoQ column) 39,533.85 1.93 20,492.59 5.28