This is accomplished by {HEAD ~ oxidation} of the cobratoxin with substances such as hydrogen peroxide, formalin and ozone, which results in an alteration in affinity for the acetylcholine receptor and {TAIL ~ a concomitant loss} in toxicity 
results in
This is accomplished by { HEAD ~ oxidation } of the cobratoxin with substances such as hydrogen peroxide , formalin and ozone , which results in an alteration in affinity for the acetylcholine receptor and { TAIL ~ a concomitant loss } in toxicity
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH