Tags: Protein.
The enzyme citrate synthase (E.C. 2.3.3.1 [previously 4.1.3.7]) exists in nearly all living cells and stands as a pace-making enzyme in the first step of the Citric Acid Cycle (or Krebs Cycle). Citrate synthase is localized within eukaryotic cells in the mitochondrial matrix but is encoded by nuclear DNA rather than mitochondrial. It is synthesized using cytoplasmic ribosomes then transported into the mitochondrial matrix.
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