85-1342-45　Carboxypeptidase B 10mg　C1205

特徴

• Carboxypeptidase B (CPB) catalyzes hydrolysis of the basic amino acids, lysine, arginine, and ornithine from the C-teminal position in polypeptides. It occurs as a zymogen in the pancreas of most vertebrates.
• Synonyms:EC=3.4.17.2; Porcine pancreas; Protaminase; Peptidyl-L-Lysine [L-Arginine] hydrolase
• Molecular Weight:34.5kD
• Source:Porcine pancreas
• Appearance:Chromatographically purified and supplied as a solution in 0.1M sodium chloride.
• Purity:Chromatographically purified
• Activity:≥170 units/mg protein
• Unit Definition:1 unit hydrolyzes 1 micromole of hippuryl-L-arginine per minute at 25°C, pH 7.65.
• Quality Control:SDS-PAGE
• Storage and Stability:May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing.. Store at -20°C. Aliquots are stable for 6 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.