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Recombinant Carboxypeptidase B，Bovine
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33 kD
20mM Tris-HCl 、100mM NaCl
20mM Tris-HCl 、100mM NaCl、Mannitol、Carboxypeptidase B
2μg (R: reducing condition, N: non-reducing condition).
Carboxypeptidase B, also known as peptidyl-L-lysine (L-arginine) hydrolase, contains one Zn atom per molecule and can selectively hydrolyze arginine and lysine at the carboxyl end of proteins or polypeptides. CPB can be used in the production of recombinant insulin and its analogues, and the quality detection of recombinant antibodies. and also used in the production of other recombinant polypeptides.
Carboxypeptidase B lyophilized powder was dissolved in sterile water or 25mM Tris-HCl (pH7.6) to make the concentration of enzyme solution 1-10mg /ml.
·24 month, 2 to 8 °C under sterile conditions
. After dissolution, store at -20℃ and avoid repeated freeze-thaw cycles.
[1] Akparov V, Sokolenko N, Timofeev V, Kuranova I. Structure of the complex of carboxypeptidase B and N-sulfamoyl-L-arginine. Acta Crystallogr F Struct Biol Commun. 2015 Oct;71(Pt 10):1335-40.
[2] James W. Brodrick, Michael C. Geokas, Corey Largman, Human carboxypeptidase B. II. Purification of the enzyme from pancreatic tissue and comparison with the enzymes present in pancreatic secretion, Biochimica et Biophysica Acta (BBA) - Enzymology, 1976, 468-481.