C8946
α-Chymotrypsin from human pancreas
lyophilized powder
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About This Item
CAS Number:
UNSPSC Code:
12352204
NACRES:
NA.54
EC Number:
232-671-2
MDL number:
Biological source:
human pancreas
biological source
human pancreas
form
lyophilized powder
mol wt
25 kDa
packaging
vial of ≥10 BTEE units
UniProt accession no.
storage temp.
−20°C
Quality Level
Gene Information
human ... CTRB1(1504)
Related Categories
General description
α-Chymotrypsin belongs to the trypsin family of serine proteases. It is secreted as an inactive precursor chymotrypsinogen to the intestine. The cleavage of peptide bond at amino acid 148 forms α-chymotrypsin. Chymotrypsinogen is encoded by the gene CTRB1 and is mapped to 16q23.1 in the human chromosome.
Application
α-Chymotrypsin from human pancreas has been used to test inhibition by N-alkyl isatins against mammalian serine proteases.
Human α-chymotrypsin has been used in a study to assess the quantitative structure-activity relationships for organophosphates binding to trypsin and chymotrypsin. Human α-chymotrypsin has also been used in a study to investigate the direct detection of native proteins in biological matrices using extractive electrospray ionization mass spectrometry.
Biochem/physiol Actions
A serine protease that hydrolyzes peptide bonds with aromatic or large hydrophobic side chains (Tyr, Trp, Phe, Met) on the carboxyl end of the bond.
Analysis Note
Protein determined by A1%/280
Other Notes
One unit will hydrolyze 1.0 μmole of BTEE per min at pH 7.8 at 25°C.
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
Storage Class
11 - Combustible Solids
wgk
WGK 1
ppe
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
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Genome-wide association study identifies inversion in the CTRB1-CTRB2 locus to modify risk for alcoholic and non-alcoholic chronic pancreatitis
Rosendahl J, et al.
Gut, 67(10), 1855-1863 (2018)
Parallel synthesis of isatin-based serine protease inhibitors
Shuttleworth SJ, et al.
Bioorganic & Medicinal Chemistry Letters, 10(22), 2501-2504 (2000)
Crystal structure of delta-chymotrypsin bound to a peptidyl chloromethyl ketone inhibitor
Mac Sweeney A, et al.
Acta Crystallographica Section D, Biological Crystallography, 56(3), 280-286 (2000)
Sergey Y Vakhrushev et al.
Molecular & cellular proteomics : MCP, 12(4), 932-944 (2013-02-13)
Characterizing protein GalNAc-type O-glycosylation has long been a major challenge, and as a result, our understanding of this glycoproteome is particularly poor. Recently, we presented a novel strategy for high throughput identification of O-GalNAc glycosites using zinc finger nuclease gene-engineered
Leen M 't Hart et al.
Diabetes, 62(9), 3275-3281 (2013-05-16)
The incretin hormone glucagon-like peptide 1 (GLP-1) promotes glucose homeostasis and enhances β-cell function. GLP-1 receptor agonists (GLP-1 RAs) and dipeptidyl peptidase-4 (DPP-4) inhibitors, which inhibit the physiological inactivation of endogenous GLP-1, are used for the treatment of type 2
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