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Carboxypeptidase B, Porcine Pancreas

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Synonym(s):
Carboxypeptidase B, Porcine Pancreas
CAS Number:
Enzyme Commission number:
MDL number:

biological source

Porcine pancreas

Quality Level

form

lyophilized

specific activity

≥100 units/mg protein

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze

pI 

6.0

solubility

water: 1 mg/mL

foreign activity

Carboxypeptidase A <1.0%
Chymotrypsin, none detected
Trypsin ≤5%

shipped in

ambient

storage temp.

−20°C

InChI

1S/C31H38N4O7S/c1-20(32-26(36)15-16-27(37)38)28(39)33-21(2)30(41)35-17-9-14-25(35)29(40)34-24(18-22-10-5-3-6-11-22)31(42)43-19-23-12-7-4-8-13-23/h3-8,10-13,20-21,24-25H,9,14-19H2,1-2H3,(H,32,36)(H,33,39)(H,34,40)(H,37,38)

InChI key

TWURVFFNODFJBJ-UHFFFAOYSA-N

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This Item
C5233E1250E0258
form

lyophilized

form

solution

form

suspension

form

lyophilized powder

specific activity

≥100 units/mg protein

specific activity

50-55 units/mg protein carboxypeptidase B

specific activity

≥4.0 units/mg protein

specific activity

≥4.0 units/mg protein (biuret)

manufacturer/tradename

Calbiochem®

manufacturer/tradename

-

manufacturer/tradename

-

manufacturer/tradename

-

storage condition

OK to freeze

storage condition

-

storage condition

-

storage condition

-

solubility

water: 1 mg/mL

solubility

-

solubility

-

solubility

-

General description

Native carboxypeptidase B catalyzes the release of C-terminal from basic amino acids, arginine, lysine, or ornithine from polypeptides. Inhibited by EDTA and other Zn2+ chelators.
Native carboxypeptidase B catalyzes the release of C-terminal from basic amino acids, arginine, lysine, or ornithine from polypeptides. Inhibited by EDTA and other Zn2+ chelators. Has an optimal pH of 7.0-9.0 and a pI of 6.0.

Warning

Toxicity: Standard Handling (A)

Unit Definition

One unit is defined as the amount of enzyme that will hydrolyze 1.0 µmol of Hip-Arg per min at 25°C, pH 7.7.

Physical form

Lyophilized from 360 µM HEPES, 1.41 µM zinc chloride, 1.41 mg/ml Trehalose, pH 7.4.

Reconstitution

Following reconstitution aliquot and freeze (-20°C). Stock solutions are stable for up to 6 months at -20°C.

Other Notes

Folk, J.E. 1970. Methods Enzymol.19, 504.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Exclamation markHealth hazard

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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