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C6423

Sigma-Aldrich

α-Chymotrypsin from bovine pancreas

suitable for protein sequencing, salt-free, lyophilized powder

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About This Item

Numéro CAS:
9004-07-3
Numéro de classification (Commission des enzymes):
3.4.21.1 (BRENDA, IUBMB)
Numéro CE :
232-671-2
Numéro MDL:
MFCD00130481
Code UNSPSC :
12352204
eCl@ss :
42010112
Nomenclature NACRES :
NA.26

Qualité

Proteomics Grade

Niveau de qualité

200

Forme

salt-free, lyophilized powder

Poids mol.

25 kDa

Adéquation

suitable for protein sequencing

Numéro d'accès UniProt

P00767

Température de stockage

2-8°C

Informations sur le gène

cow ... CTRB1(618826)

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Catégories apparentées

Description générale

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.

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
α-Chymotrypsin from bovine pancreas (BPC) may be used as a catalyst in the preparation of tetrahydroquinoline derivatives by Povarov reaction.

Actions biochimiques/physiologiques

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.

Définition de l'unité

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

Autres remarques

View more information on chymotrypsin at www.sigma-aldrich.com/enzymeexplorer

Inhibiteur

Réf. du produit
Description
Tarif

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

Aprotinine from bovine lung, lyophilized powder, 3-8 TIU/mg solid

P7626

Fluorure de phénylméthanesulfonyle, ≥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-phénylalanine chlorométhyl cétone, ≥97% (TLC), powder

C7268

Chymostatin, microbial

Substrat

Réf. du produit
Description
Tarif

Pictogrammes

Health hazardExclamation markEnvironment
GHS08,GHS07,GHS09

Mention d'avertissement

Danger

Classification des risques

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

Organes cibles

Respiratory system

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 1

Équipement de protection individuelle

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

Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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Consulter la Bibliothèque de documents

Xinyu Liu et al.
eLife, 9 (2020-12-05)
The production of reactive oxygen species (ROS) is a ubiquitous defense response in plants. Adapted pathogens evolved mechanisms to counteract the deleterious effects of host-derived ROS and promote infection. How plant pathogens regulate this elaborate response against ROS burst remains
Tessa E F Quax et al.
Virology, 404(1), 1-4 (2010-05-22)
Recently a unique mechanism of virion release was discovered in Archaea, different from lysis and egress systems of bacterial and eukaryotic viruses. It involves formation of pyramidal structures on the host cell surface that rupture the S-layer and by opening
Miguel Ribeiro et al.
International journal of molecular sciences, 14(3), 5650-5667 (2013-03-13)
Analysis of Portuguese wheat (Triticum aestivum L.) landrace 'Barbela' revealed the existence of a new x-type high molecular weight-glutenin subunit (HMW-GS) encoded at the Glu-A1 locus, which we named 1Ax1.1. Using one-dimensional and two-dimensional electrophoresis and mass spectrometry, we compared
Johnston et al.
The Journal of experimental biology, 201 (Pt 12), 623-646 (1998-02-06)
The influence of embryonic and larval temperature regime on muscle growth was investigated in Atlantic herring (Clupea harengus L.). Eggs of spring-spawning Clyde herring were incubated at 5 degrees C, 8 degrees C or 12 degrees C until hatching and
The α-chymotrypsin-catalyzed Povarov reaction: one-pot synthesis of tetrahydroquinoline derivatives.
Li LP, et al.
Green Chemistry, 17(5), 3148-3156 (2015)
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