Protein purification

Details Protein purification Protein purification

C - Chemistry, Metallurgy

07

K

530/15.14, 530/3

C07K 3/20 (1990.01)

Patent

CA 1312994

ABSTRACT Chromatographic procedures are individually and jointly applied to the rapid and efficient isolation of biologically active proteins and especially glycoproteins such as recombinant erythropoietin present in the medium growth of genetically transformed mammalian host cells. Illustratively, recombinant EPO is isolated from culture fluids by reverse phase chromatography employing a C4 or C6 column and elution with ethanol. Practiced serially with purification by anion exchange chromatography, the two chromatographic procedures allow for high yields of biologically active recombinant erythropoietin from mammalian cell culture media.

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