Horseradish peroxidase

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Contents

Function

Horseradish peroxidase (HRP) catalyzes the oxidation of luminol to 3-aminophthalate using hydrogen peroxide. The reaction is accompanied by emission of light. In the presence of chemicals, particularly – p-iodophenol, the light emission is enhanced 1000-fold. Upon addition of the proper substrate, the HRP complex emits colored light. HRP contains a heme group[1].

Relevance

HRP isozyme C1a is widely used for detection of a labeled molecule to which it conjugates.

3D structures of horseradish peroxidase

Updated on 24-March-2016

References

  1. ↑ Veitch NC. Horseradish peroxidase: a modern view of a classic enzyme. Phytochemistry. 2004 Feb;65(3):249-59. PMID:14751298

Proteopedia Page Contributors and Editors (what is this?)

Michal Harel, Alexander Berchansky, Joel L. Sussman

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