Optimized Fc variants and methods for their generation
First Claim
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1. A nucleic acid encoding a polypeptide comprising an Fc variant of a parent Fc polypeptide, said Fc variant comprising amino acid substitutions at positions 239 and 332 in the Fc region, wherein numbering is according to the EU index.
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Abstract
The present invention relates to optimized Fc variants, methods for their generation, and antibodies and Fc fusions comprising optimized Fc variants.
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38 Claims
- 1. A nucleic acid encoding a polypeptide comprising an Fc variant of a parent Fc polypeptide, said Fc variant comprising amino acid substitutions at positions 239 and 332 in the Fc region, wherein numbering is according to the EU index.
- 12. A nucleic acid encoding a heavy chain of an antibody comprising an Fc variant of a parent Fc polypeptide, said Fc variant comprising amino acid substitutions at positions 239 and 332 in the Fc region, wherein numbering is according to the EU index.
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24. A nucleic acid encoding a polypeptide comprising an Fc variant of a parent Fc polypeptide, said Fc variant comprising amino acid substitutions 239D and 332E in the Fc region, wherein said Fc variant exhibits increased Fcγ
- RIIIa binding, and wherein numbering is according to the EU index.
- View Dependent Claims (25, 26, 27, 28, 29, 30)
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31. A nucleic acid encoding a heavy chain of an antibody comprising an Fc variant of a parent Fc polypeptide, said Fc variant comprising amino acid substitutions 239D and 332E in the Fc region, wherein said Fc variant exhibits increased Fcγ
- RIIIa binding, and wherein numbering is according to the EU index.
- View Dependent Claims (32, 33, 34, 35, 36, 37, 38)
Specification