Dityrosine

Chemical compound

Dityrosine is a dimeric form of tyrosine. Whereas tyrosine itself is a proteinogenic amino acid, dityrosine is non-proteinogenic. Various enzymes, such as CYP56A1 and myeloperoxidase, catalyze the oxidation of tyrosine residues in protein chains to form dityrosine crosslinks in various organisms. It was first isolated from rubber protein of locust wing ligament. Its formation can also be induced by various radical-forming agents.

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