Immunoglobulin G1, bispecific, anti-(human CD20 antigen) (human-Mus musculus monoclonal IPH6501 γ1-chain) fusion protein with peptide linker (STGS) fusion protein with immunoglobulin anti-(human natural cytotoxicity triggering receptor 1) (human-Mus musculus single-chain variable fragment VH-peptide linker (synthetic 18-amino acid)-VL) fusion protein with peptide linker ((GSSSS)3) fusion protein with interleukin 2 (recombinant human variant IL2v2A fragment), (225→214′),(231→220′),(234→223′)-tris(disulfide) with immunoglobulin anti-(human CD20 antigen) (human-Mus musculus monoclonal IPH6501 κ-chain) fusion protein with immunoglobulin G1 (human γ1-chain hinge-CH2-CH3 region)
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human gamma 1 heavy chain anti-(human B-lymphocyte antigen CD20, B-lymphocyte surface antigen B1, Bp35, leukocyte surface antigen Leu-16, membrane-spanning 4-domains subfamily A member 1, CD20 (MS4A1)) (1-451) [VH (Homo sapiens IGHV3-9*01 -(IGHD) -IGHJ6*01, CDR-Kabat [5.17.13] (31-35.50-66.99-111)) (1-122) -Homo sapiens IGHG1*03 (CH1 (123-220), hinge (221-235), CH2 (236-345), CH3 (346-450), CH3 K452>del (451))]fused at the C-terminus via peptide linker <sup>452</sup>STGS<sup>455</sup> to a humanized variable heavy domain of heavy chain anti-(human natural cytotoxicity triggering receptor 1, lymphocyte antigen 94 homolog, NK cell-activating receptor, natural killer cell p46-related protein, NK-p46, NKp46, hNKp46, CD335 (NCR1, Ly94)) (456-575) [VH (Homo sapiens IGHV1-69*06 -(IGHD) -IGHJ4*01, CDR-Kabat [5.17.11] (486-490.505-521.554-564))] fused via peptide linker <sup>576</sup> VEGGSGGSGGSGGSGGVD<sup>593</sup> to humanized variable light domain of light chain anti-(human natural cytotoxicity triggering receptor 1, lymphocyte antigen 94 homolog, NK cell-activating receptor, natural killer cell p46-related protein, NK-p46, NKp46, hNKp46, CD335 (NCR1, Ly94)) (594-700) [V-KAPPA (Homo sapiens IGKV1-33*01 -IGKJ1*01, CDR-Kabat [11.7.9] (617-627.643-649.682-690))] fused at the C-terminus via peptide linker <sup>701</sup>GSSSSGSSSSGS<sup>712</sup> to human interleukin-2 (IL-2, IL2, Uniprot: P60568) fragment variant (4-133, 713-842 in the current sequence, R<sup>38</sup>>A <sup>747</sup>, <sup>F</sup>42</sup>>K<sup>751</sup>, C<sup>125</sup>>A<sup>834</sup>)-disulfide with human VL-CL-G1(h-CH2-CH3) anti-(human B-lymphocyte antigen CD20, B-lymphocyte surface antigen B1, Bp35, leukocyte surface antigen Leu-16, membrane-spanning 4-domains subfamily A member 1, CD20 (MS4A1)) (1'-441') [V-KAPPA (Homo sapiens IGKV3-11*01 -IGKJ5*01, CDR-Kabat [11.7.9] (24'-34'.50'-56'.89'-97')) (1'-107') -Homo sapiens IGKC*01 (108'-214') -G1(h-CH2-CH3) (215'-441') [Homo sapiens IGHG1*03 (hinge EPKSC 214'-215'>del (215'-224'), CH2 (225'-334'), CH3 (335'-439'), CHS (440'-441'))]]; heterodimer (225-214':231-220':234-223')-trisdisulfide; produced in Chinese hamster ovary (CHO) cells, cell line CHO-M, glycoform alfa
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