C6423
α-Chymotrysin Protease
Cleaves at aromatic residues, suitable for mass spectrometry, from bovine pancreas
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Número CAS:
UNSPSC Code:
12352204
eCl@ss:
42010112
NACRES:
NA.26
EC Number:
232-671-2
MDL number:
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Permítanos ayudarleNombre del producto
α-Chymotrypsin from bovine pancreas, suitable for protein sequencing, salt-free, lyophilized powder
grade
Proteomics Grade
form
salt-free, lyophilized powder
mol wt
25 kDa
suitability
suitable for protein sequencing
UniProt accession no.
storage temp.
2-8°C
Quality Level
Gene Information
cow ... CTRB1(618826)
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Application
α-Chymotrypsin from bovine pancreas is used for the following applications:
- Protein Identification by mass spectrometry (MS)
- The isolation and characterization of myosin heavy chains
- Toxin preparation
- The incubation of infected and uninfected cells for analysis of cellular proteins by SDS-PAGE
Biochem/physiol Actions
α-Chymotrypsin from bovine pancreas is stabilized by Ca2+ and catalyzes the hydrolysis of peptide bonds in particular the amino acids tyrosine, phenylalanine, tryptophan, and leucine at their C-terminal side. α-Chymotrypsin is inhibited by Cu2+ and Hg.
A serine protease that hydrolyzes peptide bonds with aromatic or large hydrophobic side chains (Tyr, Trp, Phe, Met, Leu) on the carboxyl end of the bond.
General description
α-Chymotrypsin from bovine pancreas (bovine pancreatic α-chymotrypsin, CHT) is an enzyme protein. The influence of varying concentrations of organic solvents like ethanol, 1,4-dioxane and acetonitrile on CHT has been reported.
Chymotrypsin (Chy) is a serine protease. It corresponds to a molecular weight of 25.7 kDa and is widely used in pharmaceutical industry. It is synthesized in pancreas from chymotrypsinogen and require calcium for this conversion.
Other Notes
One unit will hydrolyze 1.0 μmole of BTEE per min at pH 7.8 at 25 °C.
View more information on chymotrypsin at www.sigma-aldrich.com/enzymeexplorer
signalword
Danger
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Acute 1 - Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Clase de almacenamiento
11 - Combustible Solids
wgk
WGK 1
ppe
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
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