By “isolated” in {HEAD ~ reference} to {TAIL ~ a polypeptide} is meant a polymer of 6, 12, 18 or more amino acids conjugated to each other, including polypeptides that are isolated from a natural source or that are synthesized 
to
By “ isolated ” in { HEAD ~ reference } to { TAIL ~ a polypeptide } is meant a polymer of 6 , 12 , 18 or more amino acids conjugated to each other , including polypeptides that are isolated from a natural source or that are synthesized
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH