| 摘要 |
An immunoglobulin G Fc region binding polypeptide is provided, consisting of an amino acid sequence selected from i) and an amino acid sequence which has at least 95 % identity thereto. Also provided are methods for producing the polypeptide, compositions comprising the polypeptide, polynucleoties encoding the polypeptide, multimers of the polypeptide, and methods of using the polypeptide.
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