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Cyclotides

In biochemistry, cyclotides are small, disulfide-rich peptides isolated from plants. Typically containing 28–37 amino acids, they are characterized by their head-to-tail cyclised peptide backbone and the interlocking arrangement of their three disulfide bonds. These combined features have been termed the cyclic cystine knot (CCK) motif. To date, over 100 cyclotides have been isolated and characterized from species of the families Rubiaceae, Violaceae, and Cucurbitaceae. Cyclotides have also been identified in agriculturally important families such as the Fabaceae and Poaceae.

From Wikipedia, licensed under CC BY-SA 4.0

Research Mentions

PubMed → · research article

Plant-derived ring peptides inspire precise new drug designs

The tough, ring-shaped proteins some plants make as a defense against pests, called cyclotides, t...

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Taxonomy

Kingdom: Plantae