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93630

Sigma-Aldrich

Trypsin, TPCK treated, from bovine pancreas

~7500 U/mg

Synonym(s):

TPCK-Trypsin

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About This Item

CAS Number:
Enzyme Commission number:
EC Number:
MDL number:
UNSPSC Code:
12352204

specific activity

~7500 U/mg

shipped in

wet ice

storage temp.

−20°C

Unit Definition

1 U corresponds to the amount of enzyme which increases the absorbance at 253 nm by 0.001 per minute at pH 7.6 and 25°C (N-benzoyl-L-arginine ethyl ester, Cat. No. 12880, as substrate)

Other Notes

Sales restrictions may apply
TPCK-treatment irreversibly inhibits the chymotrypsin-activity without affecting the trypsin-activity; Application in (selective) hydrolysis/condensation of amide bonds; Tryptic degradation of opioid peptide precursors in rat brain

Pictograms

Health hazardExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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G Q Zhang et al.
Chemical & pharmaceutical bulletin, 39(9), 2369-2372 (1991-09-01)
A high-performance liquid chromatographic method involving postcolumn fluorescence derivatization is described for the quantification of five fragment peptides (methionine-enkephalin-Thr-Ser-Glu-Lys, methionine-enkephalin-Lys, methionine-enkephalin-Arg, leucine-enkephalin-Lys and leucine-enkephalin-Arg) released by tryptic digestion from the opioid peptide precursors (proopiomeranocortin and proenkephalins A and B) in
A. Florsheimer et al.
Monatshefte fur Chemie / Chemical Monthly, 119, 1323-1323 (1988)
Direct evidence for the presence of histidine in the active center of chymotrypsin.
G SCHOELLMANN et al.
Biochemistry, 2, 252-255 (1963-03-01)

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