Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 16, 2021
Patent Application Number
14423269
Date Filed
August 23, 2013
Patent Citations
Patent Citations Received
Patent Primary Examiner
Patent abstract
An objective of the present invention is to provide an Fc region variant with enhanced FcγRIIb-binding activity, and/or enhanced binding selectivity to FcγRIIb compared to FcγRIIa (type R), as compared to those of a polypeptide containing an Fe region to which an amino acid alteration(s) has not been introduced; a polypeptide which includes the Fc region variant; a pharmaceutical composition containing the polypeptide; preventing therapeutic or preventive agent for immunological inflammatory diseases that includes the pharmaceutical composition; a production method thereof; and a method of enhancing FcγRIIb-binding activity and also enhancing binding selectivity to FcγRIIb compared to FcγRIIa (type R).
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