{HEAD ~ Methods} for producing {TAIL ~ novel polypeptides} contributing to the production of such conjugates are provided 
for producing
{ HEAD ~ Methods } for producing { TAIL ~ novel polypeptides } contributing to the production of such conjugates are provided
HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH