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