Before revision: In addition, keratinase from B. licheniformis, alkaline serine protease from Streptomyces sp, have been found to degrade PrP.
After revision: subtilisin-like pernisine from Aeropyrum pernix,In addition, keratinase from B. licheniformis, alkaline serine protease from Streptomyces sp, have been found to degrade PrP.