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assay
≥95% (SDS-PAGE)
Quality Level
form
lyophilized solid
specific activity
≥2.5 units/mg protein
manufacturer/tradename
Calbiochem®
storage condition
OK to freeze
desiccated
solubility
HCl: 2 mM
aqueous buffer, pH 2.5: soluble
foreign activity
Chymotrypsin, none detected
shipped in
wet ice
storage temp.
−20°C
General description
Native trypsin from human pancreas. Serine protease that specifically hydrolyzes amides, peptides, and proteins at the C-terminus side of arginine and lysine residues.
Warning
Toxicity: Irritant (B)
Unit Definition
One unit is defined as the amount of enzyme that will hydrolyze 1 µmol of N-benzyl-L-arginine-pNA per min at 25°C, 200 mM Tris-HCl, pH 7.8, 20 mM CaCl₂.
Physical form
Salt-free.
Preparation Note
Prepared from tissue that has been shown by certified tests to be negative for HBsAg and for antibodies to HIV and HCV.
Reconstitution
Following reconstitution, aliquot and freeze (-70°C).
Other Notes
Merck Index13, 9865.
Travis, J., and Roberts, R.C. 1969. Biochemistry 8, 2884.
Travis, J., and Roberts, R.C. 1969. Biochemistry 8, 2884.
Legal Information
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
Disclaimer
when assayed against N-Suc-Ala-Ala-Pro-Phe-pNA (573462)
signalword
Danger
hcodes
Hazard Classifications
Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk_germany
WGK 1
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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