{HEAD ~ Cobratoxin} and alpha bungarotoxin have highest affinity for NAchRs containing {TAIL ~ the alpha} 1 and 7 subunits  
{ HEAD ~ Cobratoxin } and alpha bungarotoxin have highest affinity for NAchRs containing { TAIL ~ the alpha } 1 and 7 subunits
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH