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    • 10. 发明公开
    • RECOMBINANT FUSION PROTEINS AND LIBRARIES FROM IMMUNE CELL REPERTOIRES
    • EP4345107A2
    • 2024-04-03
    • EP23219056.1
    • 2016-05-18
    • Gigagen, Inc.
    • JOHNSON, David, ScottADLER, AdamMIZRAHI, Rena
    • C07K16/00
    • The invention relates to a recombinant immunoglobulin library generated by the method comprising: providing a plurality of recombinant fusion polynucleotides each comprising a first polynucleotide encoding a first variable domain, a second polynucleotide encoding a second variable domain, and a linker polynucleotide linking the first and second polynucleotides; expressing a plurality of recombinant fusion polypeptides encoded by said plurality of recombinant fusion polynucleotides to display said plurality of recombinant fusion polypeptides on a plurality of surfaces; enriching said plurality of recombinant fusion polynucleotides for binding to an antigen by exposing said plurality of surfaces to said antigen and selecting based on binding between said antigen and each of said plurality of recombinant fusion polypeptides; circularizing via Gibson Assembly one or more of said enriched recombinant fusion polynucleotides; inserting a third polynucleotide comprising a sequence encoding a promoter and a sequence encoding a constant region between said first and second polynucleotide in each of said circularized enriched recombinant fusion polynucleotides, thereby generating a plurality of recombinant immunoglobulin expression constructs, and inserting said plurality of recombinant immunoglobulin expression constructs into a plurality of host cells; and expressing said plurality of recombinant immunoglobulin expression construct in said plurality of host cells, thereby generating a recombinant immunoglobulin library, wherein each recombinant immunoglobulin comprises a linked heavy chain and light chain variable domain cognate pair from a single isolated cell.