The enzyme ornithine decarboxylase (ODC) catalyzes the decarboxylation of ornithine (a product of the urea cycle) to form putrescine. This reaction is the committed step in polyamine synthesis. In humans, this protein has 461 amino acids and forms a homodimer.
Read more about Ornithine Decarboxylase: Reaction Mechanism, Structure, Function, Proteasomal Degradation, Clinical Significance
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