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Some properties of an extracellular protease produced by Pseudomonas aeruginosa S3 isolated from raw camel milk



Some properties of an extracellular protease produced by Pseudomonas aeruginosa S3 isolated from raw camel milk



Egyptian Journal of Dairy Science 26(2): 241-250



P. aeruginosa S3, isolated from raw camel milk, produced a heat-stable extracellular proteinase. This enzyme was partially purified by a procedure including polyethylene glycol concentration and (NH4)2SO4 precipitation. It was purified 5.5-fold with a yield of about 59% of its original activity. The molecular mass of the enzyme was 41 000 by SDS-PAGE. The optimum temperature for activity was 35-40 degrees C and optimum pH was 7.5.

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