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The presynaptic viperotoxin F is the major lethal component of the venom of Vipera russelli formosensis (Taiwan viper). It is a heterodimer of two highly homologous (65% identity) but oppositely charged subunits: a basic and neurotoxic PLA2 (RV-4) and an acidic non-toxic component with a very low...
Convulxin, an C-type lectin, is a potent platelet activator isolated from the venom of the South American rattlesnake Crotalus durissus terrificus. It is a 26.5 kDa heterodimer consisting of two homologous disulfide-linked chains. The crystals belong to space group I4, with unit-cell parameters a...