Papain (Carica papaya)

300 mg - 10 mL

Item No.  E-PAPN

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High purity Papain (Carica papaya) for use in research, biochemical enzyme assays and in vitro diagnostic analysis.

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Application Examples For research and analytical use.
Brand Megazyme
CAS Number 9001-73-4
Concentration ~ 275 U/mL
EC Number
Enzyme Protease
Expression Purified from Carica papaya
Formulation In 3.2 M ammonium sulphate
Molecular Weight 23000
Package Dimensions 0.70 IN x 0.70 IN x 1.60 IN
Package Weight 0.18 LB
pH Optima 7.0-7.4
Physical Form Suspension
Source Carica papaya
Specificity Devoid of α-amylase, β-glucanase (cellulase), endo-1,4-β-xylanase and polygalacturonanase (determined by incubating high levels of the enzyme with pure polysaccharides in highly sensitive viscometric assays).
Specific Activity ~ 9 U/mg (40°C, pH 7.0 on N, N-dimethylcasein)
Storage Conditions

Storage Temperature: 4°C

Stability: > 4 years at 4°C

Temperature Optima (°C) 65
Unit Definition One Unit of activity is the amount of enzyme that will produce one µmole (181 µg) of tyrosine equivalents from N, N-dimethylcasein per minute at pH 7.0 and 40°C (colour determined using the Folin-Ciocalteu reagent).