Content: 20 mL; 1,000 Units

Shipping Temperature: Ambient

Storage Temperature: 2-8oC

Formulation: In 3.2 M ammonium sulphate

Physical Form: Suspension

Stability: > 4 years at 4oC

Enzyme Activity: Protease

EC Number: 3.4.22.32

CAS Number: 37189-34-7

Source: Pineapple stems (Ananas comosus)

Molecular Weight: 24,000

Concentration: Supplied at ~ 55 U/mL

Expression: Purified from Carica papaya

Specificity: A cysteine endopeptidase with a broad specificity for cleavage of proteins.

Specific Activity: ~ 8 U/mg (40oC, pH 7.0 on casein)

Unit Definition: One Unit of activity is the amount of enzyme that will produce one µmole (181 µg) of tyrosine equivalents from casein per minute at pH 7.0 and 40oC (colour determined using the Folin-Ciocalteu reagent).

Temperature Optima: 60oC

pH Optima: 7

Application examples: For all research and analytical applications.