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Accueil > Bibliographie > Tityus serrulatus toxin VII bears pharmacological properties of both (...)

Tityus serrulatus toxin VII bears pharmacological (...)

Biochem Biophys Res Commun. 1986 Aug 29 ;139(1):296-302.
Tityus serrulatus toxin VII bears pharmacological properties of both beta-toxin and insect toxin from scorpion venoms.
De Lima ME, Martin MF, Diniz CR, Rochat H.

Some beta-toxins from the South American scorpion Tityus serrulatus (e.g. Ts VII) are highly toxic both for mouse and fly larva. Radioiodinated Ts VII and the insect toxin from the North African scorpion Androctonus australis Hector (AaH IT) bind to the same site on a house fly head synaptosomal fraction. These results reinforce the hypothesis about the existence of a correlated series of scorpion toxins as previously defined by amino acid compositions and sequences, and immunological and circular dichroism studies, in suggesting that Ts VII constitutes a link which may fill the pharmacological gap existing between beta-toxins and insect toxins such as AaH IT.


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