Elabscience

Recombinant Human Carboxypeptidase A2/CPA2 Protein (His Tag)(Active)

Product Code:
 
PKSH031569
Product Group:
 
Recombinant Proteins
Supplier:
 
Elabscience
Host Type:
 
Human
Regulatory Status:
 
RUO
Shipping:
 
This product is provided as lyophilized powder which is shipped with ice packs.
Storage:
 
Generally lyophilized proteins are stable for up to 12 months when stored at -20 to -80°C. Reconstituted protein solution can be stored at 4-8°C for 2-7 days. Aliquots of reconstituted samples are stable at < -20°C for 3 months.
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PKSH031569-50ug50ug£773.00
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Further Information

Abbreviation:
CPA2
Accession:
NP_001860.2
Activity:
Measured by its ability to cleave a colorimetric peptide substrate, N-acetyl-Phe-Thiaphe-OH (N-Ac-PSP, Peptide International's Catalog# STP-3621-PI), in the presence of 5, 5'Dithio-bis (2-nitrobenzoic acid) (DTNB), as measured using the wavelength at 405 nm and the extinction coefficient of 13, 260 M-1 cm-The specific activity is > 4, 000 pmoles/min/ug.
Background:
Carboxypeptidase A2 ( CPA2 ) is a secreted pancreatic procarboxy -peptidase, and cleaves the C-terminal amide or ester bond of peptides that have a free C-terminal carboxyl group. The hydrolytic action of CPA2 was identified with a preference towards long substrates with aromatic amino acids in their C-terminal end, particularly tryptophan. CPA2 comprises a signal peptide, a pro region and a mature chain, and can be activated after cleavage of the pro peptide. Three different forms of human pancreatic procarboxypeptidase A have been isolated, and the A1 and A2 forms are always secreted as monomeric proteins with different biochemical properties.
Calculated MW:
46 kDa
Endotoxin:
< 1.0 EU per ug of the protein as determined by the LAL method.
Expression Host:
HEK293 Cells
Formulation:
Lyophilized from sterile 25mM Tris, 0.15mM NaCl, pH 7.4
Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization.
Please refer to the specific buffer information in the printed manual.
Fusion tag:
C-His
ObservedMW:
46 kDa
Purity:
> 90 % as determined by reducing SDS-PAGE.
Sequence:
Met 1-Tyr 417
Target Synonym:
Carboxypeptidase A2;CPA2

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