| Species : | Pig | 
                                
                                    | Tag : | Non | 
                                
                                    | Description : | Carboxypeptidase B, also well known as pancreatic procarboxy-peptidase B (PCPB), is a highly pancreas-specific protein (PASP), and has been identified previously as a serum marker for acute pancreatitisand pancreatic graft rejection. As the prototype for those humanexopeptidases that cleave off basic C-terminal residues, CPB1 specifically cleaves the C-terminal Arg and Lys residues with a preferencefor Arg. The B1 and B2 forms of procarboxypeptidase B differ from each other mainly in isoelectric point. | 
                                
                                    | Form : | Lyophilized or Liquid | 
                                
                                    | Molecular Mass : | The deduced amino acid sequence of PCPB predicts a 416-amino acid preproenzyme consisting of a 15-aa signal peptide, a 95-aa activation peptide and a 307-aa mature chain.The secreted PCPB zymogen is converted to enzymatically active CPB by limited proteolysis by trypsin. | 
                                
                                    | Unit Definition : | One Unit hydrolyzes one micromole of hippuryl-L-arginine per minute at 25°C, pH 7.65. | 
                                
                                    | Enzyme Unit : | ≥70 units per mg protein. | 
                                
                                    | Storage : | Store at -20 °C, for extended storage, conserve at -20 °C or -80 °C. | 
                                
                                    | Concentration : | 1 -10 mg/mL | 
                                
                                    | Storage Buffer : | In 100 mM sodium chloride | 
                                
                                    | Warning : | Repeated freezing and thawing is not recommended. Store working aliquots at 4 °C for up to one week. |