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C8946

Sigma-Aldrich

α-Chymotrypsin from human pancreas

lyophilized powder

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About This Item

Numero CAS:
9004-07-3
Classificazione EC (Enzyme Commission):
3.4.21.1 (BRENDA, IUBMB)
Numero CE:
232-671-2
Numero MDL:
MFCD01323069
Codice UNSPSC:
12352204
NACRES:
NA.54

Origine biologica

human pancreas

Livello qualitativo

200

Forma fisica

lyophilized powder

PM

25 kDa

Confezionamento

vial of ≥10 BTEE units

N° accesso UniProt

P17538

Temperatura di conservazione

−20°C

Informazioni sul gene

human ... CTRB1(1504)

Categorie correlate

Descrizione generale

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.

Applicazioni

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.

Azioni biochim/fisiol

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.

Definizione di unità

One unit will hydrolyze 1.0 μmole of BTEE per min at pH 7.8 at 25°C.

Risultati analitici

Protein determined by A1%/280

Inibitore

N° Catalogo
Descrizione
Determinazione del prezzo

A2504

6-Aminocaproic acid, ≥99% (titration), powder

A7824

6-Aminocaproic acid, BioUltra, ≥99%

D0879

Diisopropylfluorophosphate

L2023

Leupeptin trifluoroacetate salt, ≥90% (HPLC), microbial

T9777

Trypsin-chymotrypsin inhibitor from Glycine max (soybean), lyophilized powder

A1153

Aprotinina, lyophilized powder, 3-8 TIU/mg solid

P7626

Fenil metansolfonile fluoruro, ≥98.5% (GC)

B1552

Bromoenol lactone, ≥98% (TLC)

A9024

α1-Antitrypsin from human plasma, salt-free, lyophilized powder

A6150

α1-Antitrypsin from human plasma, salt-free, lyophilized powder

A9285

α1-Antichymotrypsin from human plasma, ≥92.5% (SDS-PAGE), lyophilized powder

T4376

N-p-Tosyl-L-phenylalanine chloromethyl ketone, ≥97% (TLC), powder

C7268

Chymostatin, microbial

Substrato

N° Catalogo
Descrizione
Determinazione del prezzo

Avvertenze

Danger

Indicazioni di pericolo

H302,H315,H319,H334,H335,H400

Classi di pericolo

Acute Tox. 4 Oral - Aquatic Acute 1 - Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3

Organi bersaglio

Respiratory system

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

Certificati d'analisi (COA)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.

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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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Protocolli

Procedure for Enzymatic Assay of α-Chymotrypsin (EC 3.4.21.1)

Follow our procedure for the determination of a chymotrypsin activity. This enzymatic assay of alpha chymotrypsin guides you through the entire process and necessary calculations.

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