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for sale 9003-99-0 9003-99-0 High Purity 9003-99-0 Horseradish Peroxidase Enzyme
for sale High Purity 9003-99-0 Horseradish Peroxidase Enzyme
Horseradish peroxidase (Horseradish Peroxidase, HRP, EC1.11.1.7) is a glycoprotein formed by the combination of enzyme protein and iron porphyrin. The enzyme is composed of multiple isoenzymes with a molecular weight of 40kDa and an isoelectric point. It is pH3.0-9.0. The maximum absorption spectra of the prosthetic group and enzyme protein of HRP are at 403nm and 275nm, respectively, so people usually use the RZ value (that is, the ratio of OD403nm/OD275nm) to express the purity of the enzyme. The greater the RZ value, the higher the purity.
Lactoperoxidase exists in mammalian mammary glands, saliva and tear glands and their respective secretions, namely milk, saliva and tears. It is one of the common components in cow milk and human milk, and it is present in all mammalian milk that has been tested so far. Lactoperoxidase is the first secreted peroxidase discovered, and it plays an important role in protecting the mammary glands of lactating women and the intestines of newborns from pathogenic microorganisms, and is part of the body's defense system. The peroxidases in breast, saliva and lacrimal glands are chemically and immunologically similar.
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