Amino Acid Sequences of Neurotoxins I and III of the Elapidae Snake Naja mossambica mossambica

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Abstract
The amino acid sequences of two neurotoxins of the African cobra Naja mossambica mossambica have been determined using almost uniquely phenylisothiocyanate degradation in a liquid protein sequencer programmed alternatively with ‘protein’ and ‘peptide’ programs. When compared to known sequences of so‐called ‘short’ neurotoxins belonging to other Elapidae snakes, neurotoxins I and III of Naja mossambica mossambica are very similar to the cobrotoxin, a neurotoxin isolated from the formosan cobra Naja atra atra.