https://www.selleckchem.com/products/Nutlin-3.html
An intracellular aspartic protease, PsAPA, was identified from Penicillium sp. XT7. This protease was belonged to penicillopepsin and was expressed in Pichia pastoris GS115. The recombinant PsAPA had a specific activity of 4289.7 ± 261.7 U/mg. The pH and temperature maxima of the enzyme were 3.0 and 30 °C, respectively. The PsAPA was stable in the pH range from 3.0 to 6.0 and was completely inactivated after incubation at 50 °C for 15 min. Presence of Mn2+ and Cu2+ increased the proteolytic activity and β-mercaptoethanol and SDS showed
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