The alpine violet, Viola biflora, is a rich source of cyclotides with potent cytotoxicity.Herrmann A., Burman R., Mylne J.S., Karlsson G., Gullbo J., Craik D.J., Clark R.J., Goeransson U.View abstractCited forPROTEIN SEQUENCE, FUNCTION, MASS SPECTROMETRYCategoriesFunction, SequencesSourceUniProtKB reviewed (Swiss-Prot)PubMedEurope PMCPhytochemistry 69:939-952 (2008)Cited in15