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C9134

Sigma-Aldrich

α-Chymotrypsin−Agarose from bovine pancreas

lyophilized powder, 2,000-3,500 units/g agarose (One ml gel will yield 65-120 units)

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About This Item

Classificazione EC (Enzyme Commission):
Numero MDL:
Codice UNSPSC:
12352204
NACRES:
NA.54

Origine biologica

bovine pancreas

Livello qualitativo

Stato

lyophilized powder

Attività specifica

2,000-3,500 units/g agarose (One ml gel will yield 65-120 units)

PM

25 kDa

N° accesso UniProt

Temperatura di conservazione

−20°C

Informazioni sul gene

Applicazioni

α-Chymotrypsin agarose from bovine pancreas has been used to study the purification and characterization of glucoamylase. α-Chymotrypsin agarose from bovine pancreas has also been used in a study to investigate molecular modeling for the design of a biomimetic chimeric ligand.

Azioni biochim/fisiol

α-Chymotrypsin is a serine peptidase and has 241 amino acid residues contained in three polypeptide chains (A chain-13 residues, B chain-131 residues, and C chain-97 residues) linked by disulfide bridges. Molecular weight of this enzyme is found to be 25 kDa. The pI is 8.75. It selectively hydrolyzes peptide bonds on the C-terminal side of tyrosine, phenylalanine, tryptophan, and leucine. Ca2+ activates and stabilizes the enzyme. The enzyme is inhibited by diisopropyl fluorophosphate (DFP), phenylmethanesulfonyl fluoride (PMSF), N-p-tosyl-L-phenylalanine chloromethyl ketone (TPCK), chymostatin, aprotinin, α1-antitrypsin, and α2-macroglobulin, 10 mM Cu2+ and Hg2+.
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 N-acetyl-L-tyrosine ethyl ester (ATEE) per min at pH 8.0 at 30 °C.

Stato fisico

Stabilized with lactose

Risultati analitici

Protein determined by A1%/280

Pittogrammi

Health hazardExclamation mark

Avvertenze

Danger

Indicazioni di pericolo

Classi di pericolo

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

Organi bersaglio

Respiratory system

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Dispositivi di protezione individuale

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


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Comparative biochemistry and physiology. Part B, Biochemistry & molecular biology, 140(1), 73-80 (2004-12-29)
The present study analyzed the existence of carbohydrases in camel pancreas compared to some other ruminants. Disaccharidases (maltase, cellobiase, lactase, trehalase and sucrase), glucoamylase and alpha-amylase were detected in pancreas of camel, sheep, cow and buffalo. Enzyme levels in sheep
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Molecular modeling was employed for the design of a biomimetic chimeric ligand for L-lactate dehydrogenase (LDH). This ligand is an anthraquinone monochlorotriazinyl dye comprising two moieties: (a) the ketocarboxyl biomimetic moiety, 2-(4-aminophenyl)-ethyloxamic acid, linked on the monochlorotriazine ring, mimicking the
Y Gao et al.
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Dynamic modification of cytoplasmic and nuclear proteins by O-linked N-acetylglucosamine (O-GlcNAc) on Ser/Thr residues is ubiquitous in higher eukaryotes and is analogous to protein phosphorylation. The enzyme for the addition of this modification, O-GlcNAc transferase, has been cloned from several
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Articoli

Analytical Enzyme Chymotrypsin: Chymotrypsin is produced in the acinar cells of the pancreas as the inactive precursor, chymotrypsinogen.

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