Patent ID: 11912763
Assignee: L & L BIOPHARMA CO., LTD.
Field: Pharmaceuticals (Chemistry)
Classification: CPC A  C | IPC A  C

Claim 4:
5. The bispecific antibody as defined in claim 4, wherein the first protein functional region is an immunoglobulin, and the second protein functional region is one or more scFvs, cytokines or fragments thereof, or cytokine receptors or fragments thereof; or, the second protein functional region is an immunoglobulin, and the first protein functional region is one or more scFvs; wherein, the scFv comprises a heavy chain variable region and a light chain variable region, and the heavy chain variable region is linked to the light chain variable region via a linker; the scFv, the cytokine or the fragment thereof, or the cytokine receptor or the fragment thereof is linked to the immunoglobulin via a linker.