Abstract
Neurotoxin II was isolated by the method of [4] with some modifications and with additional purification on the ion-exchange sorbent Bio-Rex 70 in a concentration gradient of ammonium acetate of from 0.2 to 0.5 M. The purity of the NT-II isolated was evaluated by electrophoresis in PAAG in the presence of Na DDS [5] and by analysis of its amino acid composition, which corresponded to that given in [3].
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