The practitioner of ordinary skill in the art will recognize that slight deviations of the amino acid sequences may be made without significantly affecting {HEAD ~ the efficacy} of {TAIL ~ the protein} 
The practitioner of ordinary skill in the art will recognize that slight deviations of the amino acid sequences may be made without significantly affecting { HEAD ~ the efficacy } of { TAIL ~ the protein }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL