| http://www.w3.org/ns/prov#value | - Also, the mammalian cell, such as a CHO cell, may be modified to express sialyltransferase, e.g. 1,6-sialyltransferase, e.g. as described in U.S. Pat. No. 5,047,335, in order to provide improved glycosylation of the protein C polypeptide. [0228] In order to increase secretion it may be of particular interest to produce the polypeptide of the invention together with an endoprotease, in particular a
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