Thus, for example, most of the non protein constituents are removed by polyethyleneimine treatment and {HEAD ~ the proteins} including {TAIL ~ the polypeptides} of the invention are precipitated, for example, by saturation of the solution with ammonium sulfate or with other salts 
including
Thus , for example , most of the non protein constituents are removed by polyethyleneimine treatment and { HEAD ~ the proteins } including { TAIL ~ the polypeptides } of the invention are precipitated , for example , by saturation of the solution with ammonium sulfate or with other salts
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH