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C1261

Sigma-Aldrich

Carboxypeptidase A−Agarose

ammonium sulfate suspension, ≥6 units/mL packed gel, 25 °C, enzyme from bovine pancreas

Synonyme(s) :

Carboxypolypeptidase, Peptidyl-L-amino-acid hydrolase

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About This Item

Numéro de classification (Commission des enzymes):
3.4.17.1 (BRENDA, IUBMB)
Numéro MDL:
MFCD00130718
Code UNSPSC :
12352204
Nomenclature NACRES :
NA.54

Source biologique

enzyme from bovine pancreas

Forme

ammonium sulfate suspension

Activité spécifique

≥6 units/mL packed gel, 25 °C

Poids mol.

~35,250

Matrice

beaded agarose

Température de stockage

2-8°C

Description générale

Carboxypeptidase A-agarose product is prepared by the immobilization of carboxypeptidase A, originally isolated from the bovine pancreas, to activated 4% crosslinked beaded agarose.

Actions biochimiques/physiologiques

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 β-phenylpropionate and indole acetate.
Carboxypeptidase A is attached covalently to agarose or aldehyde and is effective for immobilization studies.

Définition de l'unité

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

Forme physique

Suspension in 2.0 M (NH4)2SO4, pH 7

Pictogrammes

Health hazardExclamation mark
GHS08,GHS07

Mention d'avertissement

Danger

Mentions de danger

H315,H319,H334,H335

Classification des risques

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

Organes cibles

Respiratory system

Code de la classe de stockage

10 - Combustible liquids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

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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Sigma-Aldrich

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Stabilization-immobilization of carboxypeptidase A to aldehyde-agarose gels: A practical example in the hydrolysis of casein
Pedroche J, et al.
Enzyme and Microbial Technology, 711-718 null
Beat Amrein et al.
Metallomics : integrated biometal science, 4(4), 379-388 (2012-03-07)
Among natural metalloenzymes, the facial two-histidines one-carboxylate binding motif (FTM) is a widely represented first coordination sphere motif present in the active site of a variety of metalloenzymes. A PDB search revealed a total of 1685 structures bearing such FTMs
Zhenhua Li et al.
BMC bioinformatics, 13, 51-51 (2012-03-29)
Water is an integral part of protein complexes. It shapes protein binding sites by filling cavities and it bridges local contacts by hydrogen bonds. However, water molecules are usually not included in protein interface models in the past, and few
Sahar I Da'as et al.
Blood, 119(15), 3585-3594 (2012-03-01)
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
Arthur A Topilow et al.
Cancer biomarkers : section A of Disease markers, 10(1), 27-33 (2012-02-03)
Pancreatic cancer has a dismal prognosis because it is often diagnosed at an advanced stage. Therefore, serological biomarkers are eagerly sought for early detection. The digestive enzyme pro-carboxypeptidase A (PCPA) may be able to fill this role. The purpose of
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Protocoles

Enzymatic Assay: Carboxypeptidase

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

Enzymatic Assay: Carboxypeptidase

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

Enzymatic Assay: Carboxypeptidase

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

Enzymatic Assay: Carboxypeptidase

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

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