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C9268

Sigma-Aldrich

Carboxypeptidase A aus Rinderpankreas

(Type II-PMSF treated), ≥50 units/mg protein, ready-to-use solution

Synonym(e):

Carboxypolypeptidase, Peptidyl-L-aminosäure-Hydrolase

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About This Item

CAS-Nummer:
11075-17-5
EC-Nummer:
3.4.17.1 (BRENDA, IUBMB)
MDL-Nummer:
MFCD00130718
UNSPSC-Code:
12352204
NACRES:
NA.54

Qualität

Proteomics Grade
 (Type II-PMSF treated)

Qualitätsniveau

300

Form

ready-to-use solution

Spezifische Aktivität

≥50 units/mg protein

Mol-Gew.

~35 kDa

Aufgereinigt durch

2× crystallization

Verunreinigungen

≤0.05 BTEE units/mg protein chymotrypsin
≤10 BAEE units/mg protein trypsin

Lagertemp.

2-8°C

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Anwendung

Carboxypeptidase A from bovine pancreas has been used in a study to investigate the expression of a soluble and activatable form of bovine procarboxypeptidase A in Escherichia coli. Carboxypeptidase A from bovine pancreas has also been used in a study to investigate the isolation and partial characterization of precursor forms of ostrich carboxypeptidase.
The enzyme from Sigma has been used as a comparison to study the specificity of Metarhizium anisopliae carboxypeptidase A (MeCPA). MeCPA had been genetically engineered to facilitate the removal of polyhistidine tags from the C-termini of recombinant proteins. It has also been used to de-tyrosinate α-tubulin, in vitro, in order to induce high affinity to ethyl-N-phenylcarbamate (EPC) sepharose.

Biochem./physiol. Wirkung

Carboxypeptidase as isolated from bovine pancreas glands is a metalloenzyme that contains 1 g atom of zinc per mole of protein. It catalyzes the hydrolysis of the carboxyl-terminal peptide bond in peptides and proteins. It is primarily specific to aromatic and hydrophobic side chains such as phenylalanine, tryptophan or leucine. The enzyme also exhibits esterase activity. It is inhibited by beta-phenylpropionate and indole acetate.

Einheitendefinition

One unit will hydrolyze 1.0 μmole of hippuryl-L-phenylalanine per min at pH 7.5 at 25 °C.

Angaben zur Herstellung

Treated with phenylmethylsulfonyl fluoride to eliminate trypsin and chymotrypsin activity. Dialyzed and recrystallized: aqueous suspension with toluene added.

Hinweis zur Analyse

Protein determined by E1%/278

Inhibitor

Produkt-Nr.
Beschreibung
Preisangaben

Substrat

Produkt-Nr.
Beschreibung
Preisangaben

H6875

Hippuryl-Chlor-L-Phenylalanin

Piktogramme

Health hazard
GHS08

Signalwort

Danger

H-Sätze

H334

Gefahreneinstufungen

Resp. Sens. 1

Lagerklassenschlüssel

10 - Combustible liquids

WGK

WGK 2

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Zulassungslistungen

Zulassungslistungen werden hauptsächlich für chemische Produkte erstellt. Für nicht-chemische Produkte können hier nur begrenzte Angaben gemacht werden. Kein Eintrag bedeutet, dass keine der Komponenten gelistet ist. Es liegt in der Verantwortung des Benutzers, die sichere und legale Verwendung des Produkts zu gewährleisten.

EU REACH Annex XVII (Restriction List)

CAS No.

Analysenzertifikate (COA)

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Carboxypeptidases may serve as tools for removal of C-terminal affinity tags. In the present study, we describe the expression and purification of an A-type carboxypeptidase from the fungal pathogen Metarhizium anisopliae (MeCPA) that has been genetically engineered to facilitate the
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We used the opportunities afforded by the zebrafish to determine upstream pathways regulating mast cell development in vivo and identify their cellular origin. Colocalization studies demonstrated zebrafish notch receptor expression in cells expressing carboxypeptidase A5 (cpa5), a zebrafish mast cell-specific
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Protokolle

Enzymatic Assay of Carboxypeptidase

Objective: To standardize a procedure for the assay of Carboxypeptidase A

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