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