The link is below. This was the first cobra-style neurotoxin to be isolated from a 'non-venomous' snake. The mode of action and potency is comparable to similarly structured elapid neurotoxins.

Cheers
Bryan
alpha-colubritoxin paper

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Dr. Bryan Grieg Fry
Deputy Director
Australian Venom Research Unit
University of Melbourne

www.venomdoc.com