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Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Wei Huang0
Lai-Xi Wang0
Date of Patent
July 9, 2019
0Patent Application Number
158431600
Date Filed
December 15, 2017
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention provides for recombinant Endo-S mutants that exhibit reduced hydrolysis activity and increased transglycosylation activity for the synthesis of glycoproteins wherein a desired sialylated oxazoline or synthetic oligosaccharide oxazoline is added to a core fucosylated or nonfucosylated GlcNAc-protein acceptor. Such recombinant Endo-S mutants are useful for efficient glycosylation remodeling of IgG1-Fc domain to provide different antibody glycoforms carrying structurally well-defined Fc N-glycans.
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