
pmid: 5903200
Summary The complement-enhancing property of bovine carboxypeptidase A is lost when the enzyme is treated with acetylimidazole. Bovine carboxypeptidase B is as effective in enhancing guinea pig complement as carboxypeptidase A when used at five times the molar concentration as the latter. These data suggest that the peptidase, and not the esterase, activity of carboxypeptidase A is associated with the complement-enhancing property. Bovine procarboxypeptidase A, inert in immune hemolysis, will, when treated with trypsin, enhance guinea pig complement.
Spectrophotometry, Immunochemistry, Guinea Pigs, Esterases, Imidazoles, Animals, Trypsin, Carboxypeptidases, Complement System Proteins, In Vitro Techniques
Spectrophotometry, Immunochemistry, Guinea Pigs, Esterases, Imidazoles, Animals, Trypsin, Carboxypeptidases, Complement System Proteins, In Vitro Techniques
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