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