Decarboxylase

Decarboxylase is an enzyme that catalyzes the decarboxylation process, which is the removal of a carboxyl group from a molecule. Decarboxylases are important in the synthesis of many biochemical substances, including amino acids, lipids, and neurotransmitters.

Function

Decarboxylases play a crucial role in the metabolism of amino acids. They are responsible for the decarboxylation of amino acids, which is a step in the process of protein synthesis. This process is essential for the growth and repair of cells in the body.

In addition to their role in protein synthesis, decarboxylases are also involved in the synthesis of neurotransmitters. For example, the enzyme dopa decarboxylase is involved in the production of the neurotransmitters dopamine and serotonin, which are important for mood regulation and other brain functions.

Types of Decarboxylases

There are several types of decarboxylases, each of which is specific for a certain type of molecule. Some of the most common types include:

• Amino acid decarboxylase: This type of decarboxylase is involved in the decarboxylation of amino acids. It is essential for protein synthesis and other metabolic processes.

• Ornithine decarboxylase: This enzyme is involved in the synthesis of polyamines, which are important for cell growth and division.

• Pyruvate decarboxylase: This enzyme is involved in the fermentation process, converting pyruvate to acetaldehyde and carbon dioxide.

Clinical Significance

Abnormalities in the function of decarboxylases can lead to a variety of medical conditions. For example, a deficiency in the enzyme histidine decarboxylase can lead to histidinemia, a rare metabolic disorder characterized by an excess of histidine in the blood.

In addition, some types of cancer cells have been found to have increased levels of certain decarboxylases, suggesting that these enzymes may play a role in the development or progression of these diseases.

See Also

• Enzyme
• Metabolism
• Amino acid
• Neurotransmitter

Decarboxylase Resources
Need Help Finding a Doctor? WikiMD's DocFinder can help find general and specialist physicians.	Latest articles Most recent articles Ongoing trials.