08039852001

Roche

Carboxypeptidase B, recombinant

Name: Carboxypeptidase B, recombinant
Brand: ROCHE

solution, ~150 units/mg protein (at +25°C with hippuryl-L-arginine as the substrate), optimum pH 7.0-9.0

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About This Item

EC Number:

3.4.17.2 (BRENDA, IUBMB)

UNSPSC Code:

12352204

NACRES:

NA.21

Key Documents

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form

solution

Quality Level

100

specific activity

~150 units/mg protein (at +25°C with hippuryl-L-arginine as the substrate)

shelf life

A decrease in activity of approx. 10% may occur within 6 months.

mol wt

34.6 kDa

packaging

pkg of 1 mL (2.8 mg)

manufacturer/tradename

Roche

storage condition

avoid repeated freeze/thaw cycles

optimum pH

7.0-9.0

storage temp.

−20°C

Related Categories

Proteases

Proteins & Enzymes

Roche Life Science Products

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This Item	SRP3302	13-173	RSTREP-RO
Roche 08039852001 Carboxypeptidase B, recombinant	Sigma-Aldrich SRP3302 CARBOXYPEPTIDASE-B rat	Sigma-Aldrich 13-173 MBP, recombinant	Roche RSTREP-RO Streptavidin, recombinant
specific activity ~150 units/mg protein (at +25°C with hippuryl-L-arginine as the substrate)	specific activity -	specific activity -	specific activity ≥17 units/mg protein
form solution	form lyophilized	form liquid	form liquid
shelf life A decrease in activity of approx. 10% may occur within 6 months.	shelf life -	shelf life -	shelf life -
optimum pH 7.0-9.0	optimum pH -	optimum pH -	optimum pH -
storage temp. −20°C	storage temp. −20°C	storage temp. -	storage temp. -10 to -25°C
mol wt 34.6 kDa	mol wt 35.1 kDa	mol wt M_w ~47 kDa	mol wt ~52 kDa

Application

Peptidyl-L-lysine (-L-arginine) hydrolase

Use Carboxypeptidase B for the sequence analysis of proteins by successive cleavage of basic amino acids from the C-terminus of proteins.

Biochem/physiol Actions

Carboxypeptidase B is a Zn²⁺-metalloprotease, catalyzing the hydrolysis of the basic amino acids L-Lys and L-Arg from the C-terminal position in polypeptides.[1]

Analysis Note

Contaminants: Contaminants expressed as percentage of carboxypeptidase B activity.
Carboxypeptidase A ≤2%
Trypsin (with Chymotrypsin as substrate) ≤0.005 U/mg

Other Notes

For life science research use only. Not for use in diagnostic precedures.

Storage Class

12 - Non Combustible Liquids

flash_point_f

does not flash

flash_point_c

does not flash

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The kinetics of carboxypeptidase B activity.

E C WOLFF et al.

The Journal of biological chemistry, 237, 3094-3099 (1962-10-01)