发明名称 Optimized Fc variants and methods for their generation
摘要 The present invention relates to optimized Fc variants, methods for their generation, and antibodies and Fc fusions comprising optimized Fc variants.
申请公布号 US9193798(B2) 申请公布日期 2015.11.24
申请号 US201414550561 申请日期 2014.11.21
申请人 Xencor, Inc. 发明人 Lazar Gregory Alan;Chirino Arthur;Dang Wei;Desjarlais John;Doberstein Stephen K.;Hayes Robert J.;Karki Sher Bahadur;Vafa Omid
分类号 C07K16/00;C12P21/08;A61K39/395;C07K16/32;C07K16/28;C07K16/22;C07K16/42;C07K1/00;A61K39/00 主分类号 C07K16/00
代理机构 Morgan, Lewis & Bockius, LLP 代理人 Silva Robin M.;MacDougall Christina A.;Morgan, Lewis & Bockius, LLP
主权项 1. A protein comprising an Fc variant of a human parent IgG1 Fc polypeptide, said Fc variant comprising a first amino acid substitution at position 243 and a second amino acid substitution at position 264 in the Fc region of said parent Fc polypeptide, wherein numbering is according to the EU index.
地址 Monrovia CA US