Methods and materials are provided for the production of {HEAD ~ compositions} of {TAIL ~ erythropoietin protein}, wherein said compositions comprise a pre selected N linked glycosylation pattern as the predominant N glycoform 
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Methods and materials are provided for the production of { HEAD ~ compositions } of { TAIL ~ erythropoietin protein } , wherein said compositions comprise a pre selected N linked glycosylation pattern as the predominant N glycoform
OTH OTH OTH OTH OTH OTH OTH OTH OTH 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