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