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ANTIBODIES OR FUSION PROTEINS MULTIMERIZED VIA HOMOMULTIMERIZING PEPTIDE
ANTIBODIES OR FUSION PROTEINS MULTIMERIZED VIA HOMOMULTIMERIZING PEPTIDE
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机译:通过同源多聚肽多聚化的抗体或融合蛋白
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摘要
The invention provides antibodies or fusion proteins with modified heavy chain IgG constant regions that promote assembly of multimeric complexes. Within an antibody or fusion protein unit there are two heavy chains each including at least CH2 and CH3 regions. The two heavy chains bear complementary modifications (e.g., knob and hole) to promote coupling of the heavy chains within a unit. One and only one of the heavy chains in a unit is fused at its C-terminus to a homomultimerizing peptide. The presence of the homomultimerizing peptide promotes association between units. For example, if the homomultimerizing peptide is a homotrimerizing peptide it promotes association of three units to form a trimeric complex.
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