Increased yield and purity of the growth hormone is obtained by using controlled amounts of {HEAD ~ polyethylene glycol} as precipitating {TAIL ~ agent} at pH = 4 6, preferably 4.5 5.0 and separating the precipitated fractions 
as precipitating
Increased yield and purity of the growth hormone is obtained by using controlled amounts of { HEAD ~ polyethylene glycol } as precipitating { TAIL ~ agent } at pH = 4 6 , preferably 4.5 5.0 and separating the precipitated fractions
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH