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Key Documents

08039852001

Roche

Carboxypeptidase B, recombinant

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

Enzyme Commission number:
UNSPSC Code:
12352204
NACRES:
NA.21

form

solution

Quality Level

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

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.

Quality

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


Certificates of Analysis (COA)

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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)

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