Coatings
Description
Carboxypeptidase B for Enzymatic Hydrolysis of Protein Digesting Protein
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Main Features
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Source | E. Coli |
Purified by | HPLC |
Specific activity | ?≥170 units/mg pro. |
Purity | Single main band on SDS-PAGE |
M.W. | 33.8kD |
Contaminant activity | Less than 10 ppm of recombinant trypsin. |
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Unit Definition:One Unit of carboxypeptidase B activity hydrolyzes one micromole of???
???????????????????????????????? hippuryl-L-arginine per minute at 25℃, pH 7.65.
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Recommend Usage
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To prepare 1-10mg/ml carboxypeptidase B with sterile water or 25mM Tris-HCl pH 7.65. The ratio to aimed protein is 1:50 to 1:1000 (w/w), the optimum pH is pH?7-9.
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Storage Instructions
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Recommend recombinant carboxypeptidase B lyophilized?should be stored under 2℃-8℃ in sealed container. It is stable within 24 months.After dissolved, it should be stored under -20℃, It is stable within 24 months and above 90%?activity remained?after 10 times repeated freezing and thawing.
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Email:Zhaozhi@yaxinbio.com
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Shanghai Yaxin Biotechnology Company
Recombinant Carboxypeptidase B,Human Trypsin,Recombinant Enterokinase
Address: No.466 YinDu Road,XuHui, Shanghai, China,
Shanghai, Shanghai
China, 20000
Tel: 86-21-54336592
Fax: 86-21-54336593