DOPA Decarboxylase is an enzyme that plays a crucial role in the synthesis of neurotransmitters. It catalyzes the conversion of L-DOPA into dopamine, a key chemical messenger in the brain that influences mood, movement, and reward. This process is essential for the proper functioning of the nervous system. The enzyme is primarily found in the brain and peripheral tissues, where it helps regulate levels of dopamine. Abnormal activity of DOPA Decarboxylase can be linked to various neurological disorders, including Parkinson's disease, where dopamine production is impaired, leading to motor and cognitive challenges.