Molecular adaptation to high temperatures: pernisine from the archaeon Aeropyrum pernix K1
2020
Hartman, Kevin | Bahun, Miha | Šnajder, Marko | Ulrih, Nataša Poklar
Pernisine is a subtilisin-like protease from the hyperthermophilic archaeon Aeropyrum pernix. Due to its high thermal stability and its activity in the presence of denaturants, pernisine represents a promising enzyme for use in various industrial applications. Another potentially applicable characteristic of this protease is its ability to degrade infectious prion aggregates. Production of pernisine in A. pernix does not provide sufficient yield for its commercial use, and alternative production strategies are hence needed. This review summarizes the biochemical and biophysical characteristics of pernisine and progress that has been made toward production of recombinant pernisine using Escherichia coli and Streptomyces rimosus as expression systems.
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