Peroxidase

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Peroxidase is a group of enzymes that catalyze the oxidation of various substrates using hydrogen peroxide as the oxidizing agent. These enzymes are widely distributed in nature and play crucial roles in various biological processes.

Structure and Function[edit | edit source]

Peroxidases are typically heme-containing enzymes, although some peroxidases do not contain heme. The heme group in these enzymes is responsible for their catalytic activity. The general reaction catalyzed by peroxidases can be represented as follows:

\[ \text{ROOR'} + \text{electron donor (2 e^-)} + 2 \text{H}^+ \rightarrow \text{ROH} + \text{R'OH} \]

In this reaction, ROOR' represents the peroxide substrate, and the electron donor is typically a phenol, amine, or other organic compound.

Types of Peroxidases[edit | edit source]

There are several types of peroxidases, including:

Biological Importance[edit | edit source]

Peroxidases are involved in a variety of biological processes, including:

Applications[edit | edit source]

Peroxidases have numerous applications in biotechnology, clinical diagnostics, and environmental science. For example:

See Also[edit | edit source]

References[edit | edit source]

External Links[edit | edit source]

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Contributors: Prab R. Tumpati, MD