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    • 13. 发明申请
    • Disulfide-Linked Multivalent MHC Class I Comprising Multi-function Proteins
    • 包含多功能蛋白质的二硫键多价MHC I类
    • US20150344586A1
    • 2015-12-03
    • US14745170
    • 2013-12-18
    • HOFFMANN-LA ROCHE INC.
    • Guy GeorgesSabine Imhof-JungHendrik KnoetgenMartina Schmittnaegel
    • C07K16/30C07K14/74C12N7/00
    • Herein is reported a disulfide-linked multivalent multi-function protein, characterized in that it comprises two or more antigen presenting domains, exactly one antibody Fc-region, and at least one antigen binding site, wherein the antigen presenting domain comprises in N- to C-terminal direction either (i) a β2-microglobulin, and (ii) the extracellular domains α1, α2, and α3 of a class I MHC molecule with a relative frequency of less than 1%, or (i) a T-cell response eliciting peptide, (ii) a β2-microglobulin, and (iii) the extracellular domains α1, α2, and α3 of a class I MHC molecule with a relative frequency of 1% or more, wherein the antigen binding site binds to a cancer cell surface antigen or a virus-infected cell surface antigen and wherein the antigen presenting domain has at least two non-naturally occurring cysteine residues which form an intrachain/interdomain disulfide bond.
    • 本文报道了二硫键连接的多价多功能蛋白质,其特征在于其包含两个或多个抗原呈递结构域,正好一个抗体Fc区和至少一个抗原结合位点,其中抗原呈递结构域包含N- 或(i)a-bgr; 2-微球蛋白,和(ii)相对频率小于1%的I类MHC分子的细胞外结构域α1,α2和α3,或(i)T末端方向 - 细胞响应引发肽,(ii)a&bgr 2微球蛋白,和(iii)相对频率为1%以上的I类MHC分子的细胞外结构域α1,α2和α3,其中抗原结合位点 与癌细胞表面抗原或病毒感染的细胞表面抗原结合,并且其中所述抗原呈递结构域具有至少两个形成链内/间域二硫键的非天然存在的半胱氨酸残基。