What is a Oxaloacetic acid (C₄H₄O₅)?

Oxaloacetic acid (C₄H₄O₅) is an organic compound that plays a vital role in the citric acid cycle (also known as the TCA or Krebs cycle). It is an intermediate molecule in cellular energy production, crucial for generating ATP, the cell's primary energy source. Oxaloacetic acid combines with acetyl-CoA to form citric acid, initiating the cycle that produces ATP.

Oxaloacetic acid is also involved in amino acid synthesis, including aspartic acid and glutamic acid. It plays a key role in cellular respiration and oxidative phosphorylation. Due to its critical function in glucose metabolism, oxaloacetic acid is essential for energy production in cells and is studied in relation to metabolic disorders and cancer treatments.

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