Thionin
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Thionins are a family of peptides found solely in higher plants. Typically, a thionin consists of 45-48 amino acid residues. 6-8 of these are cysteine forming 3-4 disulfide bonds. Some thionins have cytotoxic activity and they are therefore interesting in the development of new drugs against cancer with novel action mechanisms. As of yet, no thionin has ever been developed into an anti-cancer drug.
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