PMID: 2635859Dec 1, 1989Paper

Interaction of lactoperoxidase with enzymes and immunoglobulins in bovine milk

Biochemistry International
S A HuleaL Matei

Abstract

The interaction of lactoperoxidase with lysozyme and ribonuclease as well as immunoglobulins from cow milk has been investigated. As gel filtration and enzyme kinetics experiments have shown, the lactoperoxidase was slightly activated by complexing to lysozyme, while IgA and IgM were inhibitory for the peroxidase. Oh the other hand, IgG and ribonuclease had no effect on the enzyme activity although the latter did form a complex with the lactoperoxidase. The interaction between the lysozyme and lactoperoxidase appears to be rather specific since the alteration of the lactoperoxidase sugar moiety by periodate oxidation, prevented the formation of the lactoperoxidase-lysozyme complex.

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