volkensin

volkensin

(vŏl′kĕn-sĭn)
A protein toxin produced by the kilyambiti plant (Adenia volkensii), a native of Southern Africa. Like ricin, volkensin is toxic to mammalian ribosomes. After entering cells it prevents them from synthesizing proteins.
References in periodicals archive ?
A detailed comparison between the carbohydrate-binding site of ricin, viscumin and volkensin and the sequences obtained here indicate that the peptide identified as number 5 in Table 2 contained amino acid D234 which is part of the carbohydrate-binding site.
According to the literature, very toxic lectins such as ricin, abrin and volkensin have an 1C50 ranging from 40 to 85 nM (Stirpe and Barbieri 1986).
Wiley and his colleagues used several toxins, including ricin, lectin, and volkensin, that axons take up and deliver to the main body of nerve cells.