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C1261 Sigma-Aldrich

Carboxypeptidase A−Agarose

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

Synonym: Carboxypolypeptidase, Peptidyl-L-amino-acid hydrolase

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Description

Biochem/physiol Actions

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.

Unit Definition

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

Physical form

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

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
Target organs 
Respiratory system
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles

Protocols

Enzymatic Assay of Carboxypeptidase A

To standardize a procedure for the assay of Carboxypeptidase A at Sigma-Aldrich, St. Louis.
Keywords: Extinction coefficient

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Peer-Reviewed Papers
15

References

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H6875 Hippuryl-L-phenylalanine

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