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Merck

C9268

Sigma-Aldrich

Carboxypeptidase A from bovine pancreas

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

Sinónimos:

Carboxypolypeptidase, Peptidyl-L-amino-acid hydrolase

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115,00 €
2500 UNITS
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5000 UNITS
419,00 €

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500 UNITS
115,00 €
2500 UNITS
386,00 €
5000 UNITS
419,00 €

About This Item

Número de CAS:
Comisión internacional de enzimas:
Número MDL:
Código UNSPSC:
12352204
NACRES:
NA.54

115,00 €


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grado

Proteomics Grade

Nivel de calidad

Formulario

ready-to-use solution

calidad

(Type II-PMSF treated)

actividad específica

≥50 units/mg protein

mol peso

~35 kDa

purificado por

2× crystallization

impurezas

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

temp. de almacenamiento

2-8°C

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Aplicación

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.[1] It has also been used to de-tyrosinate α-tubulin, in vitro, in order to induce high affinity to ethyl-N-phenylcarbamate (EPC) sepharose.[2]

Acciones bioquímicas o fisiológicas

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.[3]

Definición de unidad

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

Nota de preparación

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

Nota de análisis

Protein determined by E1%/278

sustrato

Referencia del producto
Descripción
Precios

Pictogramas

Health hazard

Palabra de señalización

Danger

Frases de peligro

Clasificaciones de peligro

Resp. Sens. 1

Código de clase de almacenamiento

10 - Combustible liquids

Clase de riesgo para el agua (WGK)

WGK 2

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

Equipo de protección personal

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


Listados normativos

Los listados normativos se proporcionan para los productos químicos principalmente. Para los productos no químicos sólo se puede proporcionar información limitada. Si no hay ninguna entrada, significa que ninguno de los componentes está en la lista. Es obligación del usuario garantizar el uso seguro y legal del producto.

EU REACH Annex XVII (Restriction List)

CAS No.

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Certificados de análisis (COA)

Lot/Batch Number

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Brian P Austin et al.
Protein expression and purification, 77(1), 53-61 (2010-11-16)
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
Laurence Lafanechère et al.
Methods in molecular biology (Clifton, N.J.), 777, 71-86 (2011-07-21)
Alpha tubulin comprises a C-terminal tyrosine residue, which is subject to cyclic removal from the peptide chain by a still uncharacterized carboxypeptidase and re-addition to the chain by a tubulin tyrosine ligase. We have shown in different animal or human
Bodo Wiesler et al.
The Plant journal : for cell and molecular biology, 32(6), 1023-1032 (2002-12-21)
Auxin controls the orientation of cortical microtubules in maize coleoptile segments. We used tyrosinylated alpha-tubulin as a marker to assess auxin-dependent changes in microtubule turnover. Auxin-induced tyrosinylated alpha-tubulin, correlated with an elevated sensitivity of growth to antimicrotubular compounds such as
Heiko Witt et al.
Nature genetics, 45(10), 1216-1220 (2013-08-21)
Chronic pancreatitis is an inflammatory disorder of the pancreas. We analyzed CPA1, encoding carboxypeptidase A1, in subjects with nonalcoholic chronic pancreatitis (cases) and controls in a German discovery set and three replication sets. Functionally impaired variants were present in 29/944
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Excessive replication of Saccharomyces cerevisiae Ty1 retrotransposons is regulated by Copy Number Control, a process requiring the p22/p18 protein produced from a sub-genomic transcript initiated within Ty1 GAG. In retrotransposition, Gag performs the capsid functions required for replication and re-integration.

Protocolos

Carboxypeptidase A activity measured via continuous spectrophotometric rate determination assay with hippuryl-L-phenylalanine substrate.

Preguntas

  1. In which solution and at what concentration should this product be reconstituted? How long is the stock solution stable and how should it be stored?

    1 respuesta
    1. Please see the links below for the Product Information Sheet which is located in the 'DOCUMENTATION' section under 'More Documents':
      https://www.sigmaaldrich.com/product/sigma/c9268#product-documentation
      https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/422/794/c9268enz.pdf

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