Furthermore, this invention describes methods for detecting and purifying {HEAD ~ said polypeptides} to substantial homogeneity from snake venoms, as well as processes for using the primary amino acid sequences of these polypeptides to prepare active peptides both synthetically and through use of {TAIL ~ recombinant DNA methods} 
Furthermore , this invention describes methods for detecting and purifying { HEAD ~ said polypeptides } to substantial homogeneity from snake venoms , as well as processes for using the primary amino acid sequences of these polypeptides to prepare active peptides both synthetically and through use of { TAIL ~ recombinant DNA methods }
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