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NON-HUMAN ANIMALS THAT MAKE SINGLE DOMAIN BINDING PROTEINS.
NON-HUMAN ANIMALS THAT MAKE SINGLE DOMAIN BINDING PROTEINS.
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机译:制作单域绑定蛋白的非人类动物。
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摘要
Genetically modified non-human animals and methods and compositions for making and using them are provided, wherein the genetic modification comprises (a) a deletion in an immunoglobulin constant region CH1 gene (optionally a deletion in a hinge region) of a heavy chain constant region gene sequence, and (b) replacement of one or all endogenous VH, DH and JH gene segments with at least one unrearranged light chain variable (VL) gene segment and at least one unrearranged light chain joining (JL) gene segment capable of recombining to form a rearranged light chain variable region (VL/JL) nucleotide sequence operably linked to the heavy chain constant region gene sequence comprising a deletion in the CH1 gene and/or insertion of a genetically engineered single rearranged light chain, wherein the mouse is capable of expressing a functional IgM, single domain antigen binding proteins, e.g., VL single domain binding proteins, and a genetically engineered rearranged light chain.
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