Wyizolowany kwas nukleinowy, ssaczy wektor ekspresyjny, komórki gospodarza, fuzja polipeptydowa i sposób jej wytwarzania, sposoby in vitro i ex vivo modyfikowania profilu glikozylacji polipeptydu wytwarzanego przez komórki gospodarza
The present invention relates to the field of glycosylation engineering of proteins. More particularly, the present invention relates to nucleic acid molecules, including fusion constructs, having catalytic activity and the use of same in glycosylation engineering of host cells to generate polypeptides with improved therapeutic properties, including antibodies with increased Fc receptor binding and increased effector function.