| abstract |
The present invention relates to: a polypeptide comprising an Fc variant in which a part of the amino acid sequence of a human antibody Fc domain is substituted with a different amino acid sequence; or an antibody comprising the same. The Fc variant of the present invention can have a use in a wide range of antibodies and Fc fusion constructs. In one aspect, the antibodies or the Fc fusion constructs of the present invention are reagents for treatment, diagnosis or research and, preferably, reagents for treatment. The Fc variant of the present invention can maximize |