{HEAD ~ The method} 1 wherein {TAIL ~ the protein} is alpha cobratoxin isolated from the venom of Naja kaouthia 
wherein
{ HEAD ~ The method } 1 wherein { TAIL ~ the protein } is alpha cobratoxin isolated from the venom of Naja kaouthia
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH