WO2019092181A1 - Il2rbeta/common gamma chain antibodies - Google Patents

Il2rbeta/common gamma chain antibodies Download PDF

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Publication number
WO2019092181A1
WO2019092181A1 PCT/EP2018/080765 EP2018080765W WO2019092181A1 WO 2019092181 A1 WO2019092181 A1 WO 2019092181A1 EP 2018080765 W EP2018080765 W EP 2018080765W WO 2019092181 A1 WO2019092181 A1 WO 2019092181A1
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Prior art keywords
seq
amino acid
acid sequence
region
cdr1
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Ceased
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PCT/EP2018/080765
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English (en)
French (fr)
Inventor
Peter Brauer
John Connolly
Richard Hopkins
Junyun LAI
Jianrong Lionel LOW
Kar Wai TAN
Cheng-I Wang
Siok Ping YEO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Euchloe Bio Pte Ltd
Agency for Science Technology and Research Singapore
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Euchloe Bio Pte Ltd
Agency for Science Technology and Research Singapore
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Application filed by Euchloe Bio Pte Ltd, Agency for Science Technology and Research Singapore filed Critical Euchloe Bio Pte Ltd
Priority to JP2020544130A priority Critical patent/JP7269249B2/ja
Priority to CN202410287265.8A priority patent/CN118373912A/zh
Priority to US16/762,895 priority patent/US11739157B2/en
Priority to SG11202004172UA priority patent/SG11202004172UA/en
Priority to EP18804538.9A priority patent/EP3707162A1/en
Priority to CN201880086233.4A priority patent/CN111954680B/zh
Publication of WO2019092181A1 publication Critical patent/WO2019092181A1/en
Anticipated expiration legal-status Critical
Priority to US18/344,711 priority patent/US20240052046A1/en
Priority to US18/344,214 priority patent/US20240026016A1/en
Ceased legal-status Critical Current

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    • C07—ORGANIC CHEMISTRY
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    • C07K16/00—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies
    • C07K16/18—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/28—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • C07K16/2866—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants against receptors for cytokines, lymphokines, interferons
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K40/00—Cellular immunotherapy
    • A61K40/10—Cellular immunotherapy characterised by the cell type used
    • A61K40/11—T-cells, e.g. tumour infiltrating lymphocytes [TIL] or regulatory T [Treg] cells; Lymphokine-activated killer [LAK] cells
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    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K40/00—Cellular immunotherapy
    • A61K40/20—Cellular immunotherapy characterised by the effect or the function of the cells
    • A61K40/22—Immunosuppressive or immunotolerising
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K40/00—Cellular immunotherapy
    • A61K40/30—Cellular immunotherapy characterised by the recombinant expression of specific molecules in the cells of the immune system
    • A61K40/31—Chimeric antigen receptors [CAR]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K40/00—Cellular immunotherapy
    • A61K40/40—Cellular immunotherapy characterised by antigens that are targeted or presented by cells of the immune system
    • A61K40/41—Vertebrate antigens
    • A61K40/42—Cancer antigens
    • A61K40/4202—Receptors, cell surface antigens or cell surface determinants
    • A61K40/4214—Receptors for cytokines
    • A61K40/4217—Receptors for interleukins [IL]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61K40/46—Viral antigens
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09—Recombinant DNA-technology
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    • C12N15/62—DNA sequences coding for fusion proteins
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    • C12N15/09—Recombinant DNA-technology
    • C12N15/63—Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
    • C12N15/79—Vectors or expression systems specially adapted for eukaryotic hosts
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    • C12N15/8201—Methods for introducing genetic material into plant cells, e.g. DNA, RNA, stable or transient incorporation, tissue culture methods adapted for transformation
    • C12N15/8206—Methods for introducing genetic material into plant cells, e.g. DNA, RNA, stable or transient incorporation, tissue culture methods adapted for transformation by physical or chemical, i.e. non-biological, means, e.g. electroporation, PEG mediated
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    • C12N5/0602—Vertebrate cells
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    • C12N5/10—Cells modified by introduction of foreign genetic material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
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    • C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
    • C07K14/705—Receptors; Cell surface antigens; Cell surface determinants
    • C07K14/70503—Immunoglobulin superfamily
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    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/30—Immunoglobulins specific features characterized by aspects of specificity or valency
    • C07K2317/31—Immunoglobulins specific features characterized by aspects of specificity or valency multispecific
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/30—Immunoglobulins specific features characterized by aspects of specificity or valency
    • C07K2317/33—Crossreactivity, e.g. for species or epitope, or lack of said crossreactivity
    • C—CHEMISTRY; METALLURGY
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    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/50—Immunoglobulins specific features characterized by immunoglobulin fragments
    • C07K2317/56—Immunoglobulins specific features characterized by immunoglobulin fragments variable (Fv) region, i.e. VH and/or VL
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    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/50—Immunoglobulins specific features characterized by immunoglobulin fragments
    • C07K2317/56—Immunoglobulins specific features characterized by immunoglobulin fragments variable (Fv) region, i.e. VH and/or VL
    • C07K2317/565—Complementarity determining region [CDR]
    • C—CHEMISTRY; METALLURGY
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    • C07K2317/75—Agonist effect on antigen
    • C—CHEMISTRY; METALLURGY
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    • C07K2317/90—Immunoglobulins specific features characterized by (pharmaco)kinetic aspects or by stability of the immunoglobulin
    • C07K2317/92—Affinity (KD), association rate (Ka), dissociation rate (Kd) or EC50 value
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2319/00—Fusion polypeptide
    • C07K2319/01—Fusion polypeptide containing a localisation/targetting motif
    • C07K2319/03—Fusion polypeptide containing a localisation/targetting motif containing a transmembrane segment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

Definitions

  • the present invention relates to the fields of molecular biology and methods of medical treatment and prophylaxis.
  • the present invention relates to antigen-binding molecules capable of binding to interleukin 2 receptor ⁇ ( ⁇ L-2R$; CD 122) and common ⁇ chain (yc; CD132).
  • ⁇ L-2R$ interleukin 2 receptor ⁇
  • yc common ⁇ chain
  • IL-2 is an essential cytokine that plays a central role in maintaining T cell homeostasis and mediating proper immune responses. Its high potency as an immune stimulator has led to clinical uses to treat a range of conditions, including cancers and AIDS; it is also widely used as an adjuvant for vaccination to stimulate activation and proliferation of various effector cells.
  • VLS vascular leak syndrome
  • IL-2 exerts its pleiotropic functions by binding to different combinations of receptor components expressed on different cell types: the alpha chain (IL-2Ra, also known as CD25), the beta chain (IL-2R , or CD122), and the common cytokine receptor gamma chain (IL-2Ry, yc, or CD132).
  • Isolated IL-2Ra has been termed the "low affinity" IL-2 receptor (binding affinity KD ⁇ 10 nM) and is not involved in signal transduction.
  • a complex of IL-2R and yc binds IL-2 with intermediate affinity (KD ⁇ 1 nM), although IL-2R alone has very low affinity (KD ⁇ 100 nM) and yc alone has virtually no detectable binding affinity for IL-2.
  • a complex with all three subunits, IL-2Ra, IL-2R , and yc binds IL-2 with high affinity (KD ⁇ 10 pM).
  • IL-2Ra plays no role in signal transduction.
  • High-affinity ⁇ - ⁇ -yc IL-2Rs are typically found on CD4+ T regulatory cells (Tregs) as well as recently- activated T cells.
  • Intermediate-affinity ⁇ -yc IL-2Rs are present at a low level on naive CD8+ cells, but are prominent on antigen-experienced (memory) and memory-phenotype (MP) CD8+ T cells as well as natural killer (NK) cells.
  • the present invention relates to antigen-binding molecules, that bind to CD122 (i.e. IL-2R ) and/or common ⁇ chain (yc; CD132).
  • CD122 i.e. IL-2R
  • yc common ⁇ chain
  • the present invention provides an antigen-binding molecule, optionally isolated, which is capable of binding to CD122 and CD132.
  • VH heavy chain variable
  • HC-CDR1 having the amino acid sequence of one of SEQ ID NOs: 105, 106, or 108 to 1 15
  • HC-CDR2 having the amino acid sequence of one of SEQ ID NOs: 119 to 127
  • HC-CDR3 having the amino acid sequence of one of SEQ ID NOs: 133 to 144;
  • VL light chain variable
  • LC-CDR1 having the amino acid sequence of one of SEQ ID NOs:151 to 161
  • LC-CDR2 having the amino acid sequence of one of SEQ ID NOs: 164, or 169 to
  • LC-CDR3 having the amino acid sequence of one of SEQ ID NOs: 182 to 194; or a variant thereof in which one or two or three amino acids in one or more of HC-CDR1 , HC-CDR2, HC-CDR3, LC-CDR1 , LC-CDR2 or LC-CDR3 are substituted with another amino acid; and
  • an antigen-binding molecule which is capable of binding to CD132 comprising:
  • HC-CDR1 having the amino acid sequence of one of SEQ ID NOs: 106, 108, 112, or 195 to 201
  • HC-CDR2 having the amino acid sequence of one of SEQ ID NOs: 119, 120, 124, or 202 to 209
  • HC-CDR3 having the amino acid sequence of one of SEQ ID NOs:210 to 225;
  • LC-CDR1 having the amino acid sequence of one of SEQ ID NOs: 151 , or 226 to
  • LC-CDR3 having the amino acid sequence of one of SEQ ID NOs: 189, or 247 to 258;
  • HC-CDR2, HC-CDR3, LC-CDR1 , LC-CDR2 or LC-CDR3 are substituted with another amino acid.
  • the antigen-binding molecule which is capable of binding to CD122 comprises:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 108
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:120
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 133;
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 151
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 169
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 182; or
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 109
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:121
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 134;
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 152
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 164
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 183; or
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 105
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:122
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 135;
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 153
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 164
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:184; or
  • HC-CDR1 having the amino acid sequence of SEQ ID NO:110
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:119
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 136;
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 154
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 185; or
  • (P1 E1 ) a VH region incorporating the following CDRs: HC-CDR1 having the amino acid sequence of SEQ ID NO: 106 HC-CDR2 having the amino acid sequence of SEQ ID NO:119 HC-CDR3 having the amino acid sequence of SEQ ID NO: 137; and a VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 155
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 171
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 186; or (P2B11 ) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO:1 11
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:123
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 138; and a VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 156
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 172
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 187; or
  • HC-CDR1 having the amino acid sequence of SEQ ID NO:112
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:124
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 139
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 157
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 173
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:188; or (P2C10) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 106
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:119
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:140
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 158
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 174
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 189; or (P2C11 ) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO:113
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:125
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:141
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 159
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 175
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 190; or (P2E6) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO:114
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:126
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:142
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 176
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:191 ;
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 109
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:121
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 134;
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 159
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 164
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 192; or
  • HC-CDR1 having the amino acid sequence of SEQ ID NO:115
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:127
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:143;
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 151
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 174
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 193;
  • HC-CDR1 having the amino acid sequence of SEQ ID NO:115
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:127
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:144;
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 164
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 194.
  • the antigen-binding molecule which is capable of binding to CD122 comprises: a VH region comprising an amino acid sequence having at least 85% sequence identity to one of
  • VL region comprising an amino acid sequence having at least 85% sequence identity to one of SEQ ID NOs:53 to 65.
  • the antigen-binding molecule which is capable of binding to CD122 comprises:
  • (P1 E7) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:22;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:53; or (P1 B10) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:23; and
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:54;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:55;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:56;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:58;
  • VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:28;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:59;
  • (P2C10) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:29;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:60;
  • (P2C11 ) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:30;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:61 ;
  • VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:31 ;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:63;
  • VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:33; and a VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:64; or
  • VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:34;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ
  • the antigen-binding molecule which is capable of binding to CD132 comprises:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 106
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:119
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:210;
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 151
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 189; or
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 195
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:202
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:21 1 ;
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:247;
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 106
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:203
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:210;
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 151
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 189; or
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 106
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:203
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:210;
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 189; or
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 106
  • HC-CDR2 having the amino acid sequence of SEQ ID NO.203
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:210
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 151
  • LC-CDR2 having the amino acid sequence of SEQ ID NO:236
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 189; or (P1 A3_E8) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 106
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:203
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:210
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 151
  • LC-CDR2 having the amino acid sequence of SEQ ID NO:236
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 189; or (P1A3_FW2) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 106
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:119
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:210
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 151
  • LC-CDR2 having the amino acid sequence of SEQ ID NO:236
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 189; or (P1A10) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 196
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:204
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:212; and a VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO:227
  • LC-CDR2 having the amino acid sequence of SEQ ID NO:238
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:248;
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 108
  • HC-CDR2 having the amino acid sequence of SEQ ID NO: 120
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:213
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 151
  • LC-CDR2 having the amino acid sequence of SEQ ID NO:239
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:249
  • P1C10 a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO:112
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:124 HC-CDR3 having the amino acid sequence of SEQ ID NO:214; and a VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO:228
  • LC-CDR2 having the amino acid sequence of SEQ ID NO:240
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:250; or (P1 D7) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 197
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:206
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:215
  • VL region incorporating the following CDRs:
  • LC-CDR2 having the amino acid sequence of SEQ ID NO:241
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:251
  • P1 E8 a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 198
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:120
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:216; and a VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO:230
  • LC-CDR2 having the amino acid sequence of SEQ ID NO:242
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:252;
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 108 HC-CDR2 having the amino acid sequence of SEQ ID NO:207 HC-CDR3 having the amino acid sequence of SEQ ID NO:217; and a VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 151
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 174
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:253; or (P2B7) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 106
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:119
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:218
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO:231
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 174
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:254; or (P2D11 ) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 199
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:208
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:219
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO:232
  • LC-CDR2 having the amino acid sequence of SEQ ID NO:243
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:255; or (P2F10) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO:200
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:209
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:220; and a VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO:233
  • LC-CDR2 having the amino acid sequence of SEQ ID NO:244
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:256;
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 108 HC-CDR2 having the amino acid sequence of SEQ ID NO:120 HC-CDR3 having the amino acid sequence of SEQ ID NO:221 ; and a VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO:234
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 174
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:257; or (P2D3) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO:201
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:119
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:222
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 151
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 174
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 189; or (P1G4) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 106
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:119
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:223
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 151
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 174
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:258; or (P1 B12) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 106
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:119
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:224
  • VL region incorporating the following CDRs:
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 174
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 189
  • P1C7 a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 106
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:119
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:225;
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 151
  • the antigen-binding molecule which is capable of binding to CD132 comprises: a VH region comprising an amino acid sequence having at least 85% sequence identity to one of
  • VL region comprising an amino acid sequence having at least 85% sequence identity to one of
  • the antigen-binding molecule which is capable of binding to CD132 comprises:
  • (P1 A3) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:66;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:85;
  • VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:67;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:86;
  • (P1A3_B3) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:68;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:85;
  • VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:68;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:87;
  • (P1A3_E9) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:68;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ
  • (P1A3_E8) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:69;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:85;
  • P1 A3_FW2 a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:70; and a VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:88; or
  • (P1A10) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:71 ;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ
  • (P1 B6) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:72;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:90;
  • (P1 C10) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:73;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:91 ;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:92;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:93;
  • (P2B2) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:76;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ
  • VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:77;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:95;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:96;
  • VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:79;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:97;
  • VH4 a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:80;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:98; or (P2D3) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:81 ;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:99;
  • (P1G4) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:82;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:100;
  • (P1 B12) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:83;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:101 ;
  • (P1C7) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:84;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ
  • VH heavy chain variable
  • HC-CDR1 having the amino acid sequence of one of SEQ ID NOs:103 to 115
  • HC-CDR2 having the amino acid sequence of one of SEQ ID NOs:1 16 to 127
  • HC-CDR3 having the amino acid sequence of one of SEQ ID NOs:128 to 144;
  • VL light chain variable
  • LC-CDR1 having the amino acid sequence of one of SEQ ID NOs:145 to 161
  • LC-CDR2 having the amino acid sequence of one of SEQ ID NOs:162 to 176
  • LC-CDR3 having the amino acid sequence of one of SEQ ID NOs:177 to 194; or a variant thereof in which one or two or three amino acids in one or more of HC-CDR1 , HC-CDR2, HC-CDR3, LC-CDR1 , LC-CDR2 or LC-CDR3 are substituted with another amino acid.
  • an antigen-binding molecule which is capable of binding to CD132 comprising:
  • HC-CDR1 having the amino acid sequence of one of SEQ ID NOs: 106, 108, 112, or 196 to 201
  • HC-CDR2 having the amino acid sequence of one of SEQ ID NOs: 1 19, 120, 124, or 204 to 209
  • HC-CDR3 having the amino acid sequence of one of SEQ ID NOs:212 to 225;
  • LC-CDR1 having the amino acid sequence of one of SEQ ID NOs: 151 , or 227 to 235
  • LC-CDR2 having the amino acid sequence of one of SEQ ID NOs:174, or 238 to 245
  • LC-CDR3 having the amino acid sequence of one of SEQ ID NOs:189, or 248 to 258;
  • HC-CDR2, HC-CDR3, LC-CDR1 , LC-CDR2 or LC-CDR3 are substituted with another amino acid.
  • the antigen-binding molecule which is capable of binding to CD122 comprises:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 103
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:116
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:128;
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 177; or
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 103
  • HC-CDR2 having the amino acid sequence of SEQ ID NO: 116
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:128;
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 177; or
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 103
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:116
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:128;
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 166
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 177; or
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 103
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:116
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:128;
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 145
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:181 ;
  • (P2C4_C4) a VH region incorporating the following CDRs: HC-CDR1 having the amino acid sequence of SEQ ID NO: 103 HC-CDR2 having the amino acid sequence of SEQ ID NO:116 HC-CDR3 having the amino acid sequence of SEQ ID NO:128; and a VL region incorporating the following CDRs:
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 166
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:181
  • P2C4_C7 a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 103
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:116
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:128; and a VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO:145
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 162
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:181 ;
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 103
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:116
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:128
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO:145
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 162
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:181
  • P2C4_E6 a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 103
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:116 HC-CDR3 having the amino acid sequence of SEQ ID NO:128; and a VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO:149
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 162
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 177; or (P2C4_E7) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 103
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:116
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:128
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO:145
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 162
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:181
  • P2C4_F8 a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 103
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:116
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 128
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 145
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 162
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:181 ;
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 104
  • HC-CDR2 having the amino acid sequence of SEQ ID NO: 1 17
  • HC-CDR3 having the amino acid sequence of SEQ ID N0.129
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 146
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 163
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 178; or (P2D12) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 105
  • HC-CDR2 having the amino acid sequence of SEQ ID NO: 1 18 HC-CDR3 having the amino acid sequence of SEQ ID NO: 130; and a VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 147
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 164
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 179; or (P1 G1 1 ) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 106
  • HC-CDR2 having the amino acid sequence of SEQ ID NO: 1 19
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 131 ; and a VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 148
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 165
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 180
  • P2C4_A9 a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 103
  • HC-CDR2 having the amino acid sequence of SEQ ID NO: 1 16
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 132
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 145
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 162
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:177
  • P2C4_B6 a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 107
  • HC-CDR2 having the amino acid sequence of SEQ ID NO: 1 16
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 128; and a VL region incorporating the following CDRs: LC-CDR1 having the amino acid sequence of SEQ ID NO: 145 LC-CDR2 having the amino acid sequence of SEQ ID NO: 162 LC-CDR3 having the amino acid sequence of SEQ ID NO:181 ; or (P2C4_E9) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 107
  • HC-CDR2 having the amino acid sequence of SEQ ID NO: 1 16 HC-CDR3 having the amino acid sequence of SEQ ID NO: 128; and a VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 145
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 168
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:181 ; or (P2C4_B8) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 103
  • HC-CDR2 having the amino acid sequence of SEQ ID NO: 1 16
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 128
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 145
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 162
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:181
  • P2C4_B12 a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 103
  • HC-CDR2 having the amino acid sequence of SEQ ID NO: 1 16
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 128
  • VL region incorporating the following CDRs:
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 167
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 177
  • P2C4_C1 a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 103
  • HC-CDR2 having the amino acid sequence of SEQ ID NO: 1 16
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 128; and a VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 149
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 162
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 177; or
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 103
  • HC-CDR2 having the amino acid sequence of SEQ ID NO: 1 16
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 128
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID N0.145
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 162
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:181
  • P2C4_E2 a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 103
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:116
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:128
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO:145
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 162
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:181
  • P2C4_E3 a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 107
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:116
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:128
  • VL region incorporating the following CDRs:
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 162
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:181
  • P2C4_E8 a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 103
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:116
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:128; and a VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO:145
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 162
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:181 ;
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 103
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:116
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:128
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO:145
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 162
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:181
  • P2C4_G2 a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 103
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:116 HC-CDR3 having the amino acid sequence of SEQ ID NO:128; and a VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO:145
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 162
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:181 ; or (P2C4_G11 ) a VH region incorporating the following CDRs: HC-CDR1 having the amino acid sequence of SEQ ID NO: 103 HC-CDR2 having the amino acid sequence of SEQ ID NO: 1 16 HC-CDR3 having the amino acid sequence of SEQ ID NO:128; and a VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 145
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 162
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 181
  • P2C4JH1 a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 103
  • HC-CDR2 having the amino acid sequence of SEQ ID NO: 1 16
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 128; and a VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 145
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 162
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:181 ;
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 103
  • HC-CDR2 having the amino acid sequence of SEQ ID NO: 1 6
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 128
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 145
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 162
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:181
  • P2C4JH3 a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 103
  • HC-CDR2 having the amino acid sequence of SEQ ID NO: 1 16 HC-CDR3 having the amino acid sequence of SEQ ID NO: 128; and a VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 145
  • LC-CDR2 having the amino acid sequence of SEQ ID NO:162
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:181 ; or (P2C4_C1 D10) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 103
  • HC-CDR2 having the amino acid sequence of SEQ ID NO: 1 16
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:128
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 149
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 162
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:181 ; or (P2C4_FW2) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 103
  • HC-CDR2 having the amino acid sequence of SEQ ID NO: 1 16
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:128
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO:145
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 162
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 177;
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 108
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:120
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 133
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 151
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 169
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 182; or (P1 B10) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 109
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:121
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 134
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 152
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 164
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 183; or (P1 F3) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 105
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:122
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 135
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 153
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 164
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 184; or (P1 D10) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO:110
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:119
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 136
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 154
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 170
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 185
  • P1 E1 a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 106 HC-CDR2 having the amino acid sequence of SEQ ID NO:119
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 137; and a VL region incorporating the following CDRs: LC-CDR1 having the amino acid sequence of SEQ ID NO: 155 LC-CDR2 having the amino acid sequence of SEQ ID NO: 171 LC-CDR3 having the amino acid sequence of SEQ ID NO: 186; or (P2B11 ) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO:111
  • HC-CDR2 having the amino acid sequence of SEQ ID NO: 123 HC-CDR3 having the amino acid sequence of SEQ ID NO: 138; and a VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 156
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 172
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 187; or (P2C9) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO:112
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:124
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:139
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 157
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 173
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 188; or (P2C10) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 106
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:119
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:140
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 158
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 174
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 189
  • P2C11 a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO:113
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:125
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:141 ; and a VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 159
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 175
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 190; or
  • HC-CDR1 having the amino acid sequence of SEQ ID NO:114
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:126
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:142
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 160
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 176
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:191 ;
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 109
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:121
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 134;
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 159
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 164
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 192; or
  • HC-CDR1 having the amino acid sequence of SEQ ID NO:115
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:127
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:143;
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 151
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 174
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 193;
  • HC-CDR1 having the amino acid sequence of SEQ ID NO:115
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:127
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:144;
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 164
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 194.
  • the antigen-binding molecule which is capable of binding to CD122 comprises: a VH region comprising an amino acid sequence having at least 85% sequence identity to one of SEQ ID NOs:1 to 34; and
  • VL region comprising an amino acid sequence having at least 85% sequence identity to one of
  • the antigen-binding molecule which is capable of binding to CD122 comprises:
  • VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:1 ;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ
  • (P2C4_A4) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:1 ;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ
  • (P2C4_B5) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:1 ;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:41 ;
  • P2C4_C4 a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO: 1 ;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:44;
  • P2C4_C7 a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:1 ;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ
  • P2C4_D10 a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:1 ;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:42;
  • VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:1 ;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:46;
  • P2C4_E7 a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:1 ;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:47;
  • VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:1 ;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:49;
  • VH7 a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:2;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ
  • (P2D12) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:3;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:37;
  • (P1 G1 1 ) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:4; and a VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:38; or
  • (P2C4_A9) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:5;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ
  • (P2C4_B6) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:6;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:42;
  • VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:6;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:48;
  • VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:7;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:42;
  • VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:8;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:43;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ
  • (P2C4_C12) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:10;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:42;
  • (P2C4_E2) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:1 1 ;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:42;
  • P2C4_E3 a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:12;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:42;
  • VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:13;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:42; or (P2C4_F11 ) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:14; and
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ
  • (P2C4_G2) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:15;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:42;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:42;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ
  • VH2 a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:18;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:42;
  • P2C4_H3 a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:19;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:42;
  • P2C4_C1 D10 a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:20;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:51 ;
  • P2C4_FW2 a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:21 ;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:52;
  • (P1 E7) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:22;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ
  • (P1 B10) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:23;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:54;
  • (P1 F3) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:24; and a VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:55; or
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:57;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:58;
  • VH region comprising an amino acid sequence having at least 85% sequence identity
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:59;
  • (P2C10) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:29;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:60;
  • (P2C11 ) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:30;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ
  • VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:31 ;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:62;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:63;
  • VH region comprising an amino acid sequence having at least 85% sequence identity
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:64;
  • VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:34;
  • the antigen-binding molecule which is capable of binding to CD132 comprises: (P1A10) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 196
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:204
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:212;
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:248; or
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 108
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:120
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:213;
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 151
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:249;
  • HC-CDR1 having the amino acid sequence of SEQ ID NO:112
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:124
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:214;
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:250;
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 197
  • HC-CDR2 having the amino acid sequence of SEQ ID NO.206
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:215;
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:251 ;
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 198
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:120
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:216;
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:252; or (P2B2) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 108 HC-CDR2 having the amino acid sequence of SEQ ID NO:207 HC-CDR3 having the amino acid sequence of SEQ ID NO:217; and a VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 151
  • LC-CDR2 having the amino acid sequence of SEQ ID NO:174
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:253; or (P2B7) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 106
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:119
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:218
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO:231
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 174
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:254; or (P2D11 ) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 199
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:208
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:219
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO:232
  • LC-CDR2 having the amino acid sequence of SEQ ID NO:243
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:255; or (P2F10) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO:200
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:209
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:220
  • VL region incorporating the following CDRs:
  • LC-CDR2 having the amino acid sequence of SEQ ID NO:244
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:256; or (P2H4) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 108
  • HC-CDR2 having the amino acid sequence of SEQ ID NO: 120
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:221 ; and a VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO:234
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 174
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:257; or
  • HC-CDR1 having the amino acid sequence of SEQ ID NO:201
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:119
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:222;
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 151
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 174
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 189; or
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 106
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:119
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:223;
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 151
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 174
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:258; or
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 106
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:119
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:224;
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 174
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 189; or
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 106
  • HC-CDR2 having the amino acid sequence of SEQ ID NO: 119
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:225;
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 151
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 189.
  • the antigen-binding molecule which is capable of binding to CD132 comprises: a VH region comprising an amino acid sequence having at least 85% sequence identity to one of SEQ ID NOs:71 to 84; and
  • VL region comprising an amino acid sequence having at least 85% sequence identity to one of
  • the antigen-binding molecule which is capable of binding to CD132 comprises:
  • (P1A10) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:71 ;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:89; or (P1 B6) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:72; and
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:90;
  • (P1 C10) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:73;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:91 ;
  • VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:74;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:92;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ
  • (P2B2) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:76;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:94;
  • VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:77;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:95;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:96;
  • VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:79;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:97;
  • VH4 a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:80;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ
  • (P2D3) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:81 ;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:99;
  • (P1 G4) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:82; and a VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:100; or
  • (P1 B12) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:83;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ
  • (P1C7) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:84;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:102.
  • the present invention also provides an antigen-binding molecule, optionally isolated, which is capable of binding to CD122, comprising:
  • VH heavy chain variable
  • HC-CDR1 having the amino acid sequence of one of SEQ ID NOs: 105, 106, or 108 to
  • HC-CDR2 having the amino acid sequence of one of SEQ ID NOs:119 to 127
  • HC-CDR3 having the amino acid sequence of one of SEQ ID NOs: 133 to 144; and a light chain variable (VL) region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of one of SEQ ID NOs:151 to 161
  • LC-CDR2 having the amino acid sequence of one of SEQ ID NOs:164, or 169 to 176
  • LC-CDR3 having the amino acid sequence of one of SEQ ID NOs: 182 to 194;
  • HC-CDR1 HC- CDR2
  • HC-CDR3 LC-CDR1 , LC-CDR2 or LC-CDR3 are substituted with another amino acid.
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 108
  • HC-CDR2 having the amino acid sequence of SEQ ID NO: 120
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 133;
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 151
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 169
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 182; or
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 109
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:121
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 134;
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 152
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 164
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 183; or (P1 F3) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 105
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:122
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 135
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 153
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 164
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 184; or (P1 D10) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO:110
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:119
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 136
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 154
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 170
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 185; or (P1 E1 ) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 106
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:119
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 137
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 155
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 171
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 186; or (P2B11 ) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO:111
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:123
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 138
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 156
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 172
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 187
  • P2C9 a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO:112
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:124
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 139; and a VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 157
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 173
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 188; or
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 106
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:119
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:140
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 158
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 174
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 189; or (P2C11 ) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO:113
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:125
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:141
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 159
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 175
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:190; or (P2E6) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO:114
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:126
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:142
  • VL region incorporating the following CDRs:
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 176
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:191 ; or (P2E11 ) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 109
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:121
  • HC-CDR3 having the amino acid sequence of SEQ ID NO: 134; and a VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 159
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 164
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 192; or
  • HC-CDR1 having the amino acid sequence of SEQ ID NO:115
  • HC-CDR2 having the amino acid sequence of SEQ ID NO: 127
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:143
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 151
  • LC-CDR2 having the amino acid sequence of SEQ ID NO:174
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 193; or (P2F10) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO:115
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:127 HC-CDR3 having the amino acid sequence of SEQ ID NO:144; and a VL region incorporating the following CDRs:
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 164
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 194.
  • VH region comprising an amino acid sequence having at least 85% sequence identity to one of SEQ ID NOs:22 to 34;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to one of SEQ ID NOs:53 to 65.
  • (P1 E7) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:22;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ
  • (P1 B10) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:23;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:54;
  • (P1 F3) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:24;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:55;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:56;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:57;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ
  • VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:28;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:59;
  • P2C10 a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:29; and a VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:60; or
  • (P2C11 ) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:30;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ
  • VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:31 ;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:62;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:63;
  • VH region comprising an amino acid sequence having at least 85% sequence identity
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:64;
  • VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:34;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:65.
  • the present invention also provides an antigen-binding molecule, optionally isolated, which is capable of binding to CD132, comprising:
  • VH heavy chain variable
  • HC-CDR1 having the amino acid sequence of one of SEQ ID NOs: 106, 108, 112, or 196 to 201
  • HC-CDR2 having the amino acid sequence of one of SEQ ID NOs: 119, 120, 124, or 204 to 209
  • HC-CDR3 having the amino acid sequence of one of SEQ ID NOs:212 to 225; and a light chain variable (VL) region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of one of SEQ ID NOs: 151 , or 227 to 235
  • LC-CDR2 having the amino acid sequence of one of SEQ ID NOs: 174, or 238 to 245
  • LC-CDR3 having the amino acid sequence of one of SEQ ID NOs: 189, or 248 to 258; or a variant thereof in which one or two or three amino acids in one or more of HC-CDR1 , HC- CDR2, HC-CDR3, LC-CDR1 , LC-CDR2 or LC-CDR3 are substituted with another amino acid.
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 196
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:204
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:212
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO:227
  • LC-CDR2 having the amino acid sequence of SEQ ID NO:238
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:248;
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 108
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:120
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:213
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 151
  • LC-CDR2 having the amino acid sequence of SEQ ID NO:239
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:249
  • P1C10 a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO:112
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:124 HC-CDR3 having the amino acid sequence of SEQ ID NO:214; and a VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO:228
  • LC-CDR2 having the amino acid sequence of SEQ ID NO:240
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:250; or (P1 D7) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 197
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:206
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:215
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO:229
  • LC-CDR2 having the amino acid sequence of SEQ ID NO:241
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:251
  • P1 E8 a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 198
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:120
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:216
  • VL region incorporating the following CDRs:
  • LC-CDR2 having the amino acid sequence of SEQ ID NO:242
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:252
  • P2B2 a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 108
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:207
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:217; and a VL region incorporating the following CDRs: LC-CDR1 having the amino acid sequence of SEQ ID NO: 151 LC-CDR2 having the amino acid sequence of SEQ ID NO: 174 LC-CDR3 having the amino acid sequence of SEQ ID NO:253; or (P2B7) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 106
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:119
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:218
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO:231
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 174
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:254; or (P2D11 ) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 199
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:208
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:219
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO:232
  • LC-CDR2 having the amino acid sequence of SEQ ID NO:243
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:255; or (P2F10) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO:200
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:209
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:220
  • VL region incorporating the following CDRs:
  • LC-CDR2 having the amino acid sequence of SEQ ID NO:244
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:256; or (P2H4) a VH region incorporating the following CDRs:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 108
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:120
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:221 ; and a VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO:234
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 174
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:257; or
  • HC-CDR1 having the amino acid sequence of SEQ ID NO:201
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:119
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:222
  • VL region incorporating the following CDRs:
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 151
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 174
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 189; or
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 106
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:119
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:223;
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 151
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 174
  • LC-CDR3 having the amino acid sequence of SEQ ID NO:258; or
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 106
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:119
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:224;
  • LC-CDR2 having the amino acid sequence of SEQ ID NO: 174
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 189; or
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 106
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:119
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:225;
  • LC-CDR1 having the amino acid sequence of SEQ ID NO: 151
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 189.
  • VH region comprising an amino acid sequence having at least 85% sequence identity to one of SEQ ID NOs:71 to 84;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to one of SEQ ID NOs:89 to 102.
  • (P1A10) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:71 ;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:89;
  • (P1 B6) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:72;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:91 ;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:92;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:93;
  • (P2B2) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:76;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ
  • VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:77;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:95;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:96;
  • VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:79;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:97;
  • VH4 a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:80;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:98;
  • (P2D3) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:81 ;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ
  • (P1 G4) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:82;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO: 100;
  • (P1 B12) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:83; and a VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO: 101 ; or
  • (P1 C7) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:84;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ
  • the present invention also provides an antigen-binding molecule, optionally isolated, which is capable of binding to CD122, comprising (i) an antigen-binding molecule according to the present invention, and (ii) an antigen-binding molecule capable of binding to common ⁇ chain (CD132).
  • the present invention also provides an antigen-binding molecule, optionally isolated, which is capable of binding to common ⁇ chain (CD132), comprising (i) an antigen-binding molecule according to the present invention, and (ii) an antigen-binding molecule capable of binding to CD122.
  • an antigen-binding molecule optionally isolated, which is capable of binding to common ⁇ chain (CD132), comprising (i) an antigen-binding molecule according to the present invention, and (ii) an antigen-binding molecule capable of binding to CD122.
  • the present invention also provides an antigen-binding molecule, optionally isolated, which is capable of binding to CD122 and common ⁇ chain (CD132), comprising (i) an antigen-binding molecule according to the present invention, and (ii) an antigen-binding molecule according to the present invention.
  • the antigen-binding molecule further comprises a cell membrane anchor region.
  • the antigen binding molecule is an IL-2 receptor agonist.
  • the antigen binding molecule is capable of reducing expression of PD-1 by T cells.
  • the present invention also provides a chimeric antigen receptor (CAR) comprising an antigen-binding molecule according to the present invention.
  • CAR chimeric antigen receptor
  • the present invention also provides an in vitro complex, optionally isolated, comprising an antigen- binding molecule or CAR according to the present invention bound to CD122 and/or CD132.
  • the present invention also provides a nucleic acid, optionally isolated, encoding an antigen-binding molecule according to the present invention.
  • the present invention also provides an expression vector comprising a nucleic acid according to the present invention.
  • the present invention also provides a cell comprising an antigen-binding molecule, a nucleic acid or an expression vector according to the present invention.
  • the present invention also provides a method for producing an antigen-binding molecule according to the present invention, the method comprising culturing a cell comprising a nucleic acid or expression vector according to the present invention under conditions suitable for expression of the antigen-binding molecule from the nucleic acid or expression vector.
  • the present invention also provides a composition comprising an antigen-binding molecule, nucleic acid, expression vector or cell according to the present invention.
  • the present invention also provides an antigen-binding molecule, nucleic acid, expression vector, cell or composition according to the present invention for use in a method of medical treatment or prophylaxis.
  • the present invention also provides an antigen-binding molecule, nucleic acid, expression vector, cell or composition according to the present invention for use in a method of treatment or prevention of a T cell dysfunctional disorder, a cancer or an infectious disease.
  • the present invention also provides the use of an antigen-binding molecule, nucleic acid, expression vector, cell or composition according to the present invention in the manufacture of a medicament for use in a method of treatment or prevention of a T cell dysfunctional disorder, a cancer or an infectious disease.
  • the present invention also provides a method of treating or preventing a T cell dysfunctional disorder, a cancer or an infectious disease, comprising administering to a subject a therapeutically or prophylactically effective amount of an antigen-binding molecule, nucleic acid, expression vector, cell or composition according to the present invention.
  • the cancer is selected from the group consisting of: colon cancer, colon carcinoma, colorectal cancer, nasopharyngeal carcinoma, cervical carcinoma, oropharyngeal carcinoma, gastric carcinoma, hepatocellular carcinoma, head and neck cancer, head and neck squamous cell carcinoma (HNSCC), oral cancer, laryngeal cancer, prostate cancer, lung cancer, small cell lung cancer, non-small cell lung cancer, bladder cancer, urothelial carcinoma, melanoma, advanced melanoma, renal cell carcinoma, ovarian cancer or mesothelioma.
  • HNSCC head and neck squamous cell carcinoma
  • the antigen binding molecule is administered in combination with a therapeutically effective amount of an agent capable of inhibiting signalling mediated by an immune checkpoint protein.
  • an immune checkpoint protein is PD-1 , CTLA-4, LAG-3, TIM-3, VISTA, TIGIT or BTLA.
  • the present invention also provides a method for generating or expanding a population of immune cells, comprising contacting immune cells in vitro, in vivo or ex vivo with an antigen-binding molecule, nucleic acid, expression vector, cell or composition.
  • the present invention also provides a chimeric antigen receptor (CAR) comprising an antigen-binding molecule according to the present invention.
  • CAR chimeric antigen receptor
  • the present invention also provides an in vitro complex, optionally isolated, comprising an antigen- binding molecule or CAR according to the present invention bound to CD122 and/or CD132.
  • the present invention also provides a nucleic acid, optionally isolated, encoding a CAR according to the present invention.
  • the present invention also provides an expression vector comprising a nucleic acid according to the present invention.
  • the present invention also provides a cell comprising a CAR, a nucleic acid, or an expression vector according to the present invention.
  • the present invention also provides a composition comprising a CAR, a nucleic acid, an expression vector or a cell according to the present invention.
  • the present invention also provides a CAR, a nucleic acid, an expression vector, a cell or a composition according to the present invention for use in a method of medical treatment or prophylaxis.
  • Treatment with IL-2 is an approved immunotherapy for the treatment of cancer, and works by promoting proliferation and activity of effector immune cells such as T cells and NK cells (see e.g. Skorombolas and Frelinger, Expert Rev Clin Immunol. 2014; 10(2): 207-217).
  • IL-2 has a very short half-life in serum, and so large doses and regular administration is required to achieve stimulation of T cell and NK cell proliferation/activity. This is problematic because high doses of IL-2 cause increases in levels of proinflammatory cytokines sometimes referred to as "cytokine storm", which is thought to be a result of the widespread stimulation of immune cells. The cytokine storm is in turn thought to be responsible for many of the unwanted side effects of IL-2 treatment, including vascular leak syndrome (VLS).
  • VLS vascular leak syndrome
  • IL-2 is able to act on Tregs (which express the high-affinity IL-2Ra/ /yc receptors), and so treatment with IL-2 induces expansion of this suppressor T cell subset which can downregulate effector immune cell activity.
  • the inventors have designed and produced agonist antibodies which selectively bind to and activate intermediate-affinity IL-2R /yc receptors.
  • the antibodies are demonstrated to mimic the effect of IL-2 on cells expressing CD122 and CD132, causing expansion of effector immune cells.
  • the bispecific antibodies of the present invention preferentially stimulate proliferation of effector immune cells (which express intermediate-affinity IL-2R /yc receptors) over regulatory T cells (which express high levels of the high-affinity IL-2Ra/ /yc receptors). Moreover, they have an increased serum half-life as compared to IL-2, and can therefore be administered less frequently and/or at a lower dose.
  • IL-2RB CD122
  • Common gamma chain vc; CD132
  • Human ⁇ L-2R$ (also known as CD122, IL15RB and P70-75) is the protein identified by UniProt P14784-1 , v1 (SEQ ID NO:434).
  • the N-terminal 26 amino acids of SEQ ID NO:434 constitute a signal peptide, and so the mature form (i.e. after processing to remove the signal peptide) of human CD122 protein has the amino acid sequence shown in SEQ ID NO:435.
  • Amino acids 27 to 240 of SEQ ID NO:434 constitute the extracellular domain of CD122, shown in SEQ ID NO:436.
  • IL-2RB or “CD122” refers to CD122 from any species and includes isoforms, fragments, variants or homologues of CD122 from any species.
  • a "fragment”, “variant” or “homologue” of a protein may optionally be characterised as having at least 60%, preferably one of 70%, 75%, 80%, 85%, 90%, 91 %, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% or 100% amino acid sequence identity to the amino acid sequence of the reference protein. Fragments, variants, isoforms and homologues of a reference protein may be may be characterised by ability to perform a function performed by the reference protein.
  • a “fragment” generally refers to a fraction of the reference protein.
  • a “variant” generally refers to a protein having an amino acid sequence comprising one or more amino acid substitutions, insertions, deletions or other modifications relative to the amino acid sequence of the reference protein, but retaining a considerable degree of sequence identity (e.g. at least 60%) to the amino acid sequence of the reference protein.
  • An “isoform” generally refers to a variant of the reference protein expressed by the same species as the species of the reference protein.
  • a “homologue” generally refers to a variant of the reference protein produced by a different species as compared to the species of the reference protein.
  • human CD122 P14784-1 , v1 ; SEQ ID NO:434
  • cynomolgus macaque CD122 UniProt: Q38J85-1 , v1 ) are homologues of one another.
  • a "fragment" of a reference protein may be of any length (by number of amino acids), although may optionally be at least 25% of the length of the reference protein (that is, the protein from which the fragment is derived) and may have a maximum length of one of 50%, 75%, 80%, 85%, 90%, 91 %, 92%, 93%, 94%, 95%, 96%, 97%, 98%, or 99% of the length of the reference protein.
  • a fragment of CD122 may have a minimum length of one of 10, 20, 30, 40, 50, 100, 150, 200, 250 or 300 amino acids, and may have a maximum length of one of 20, 30, 40, 50, 100, 150, 200, 250, 300, 350, 400, 450 or 500 amino acids.
  • the CD122 is mammalian CD122 (e.g. cynomolgous, human and/or rodent (e.g. rat and/or murine) CD122).
  • Isoforms, fragments, variants or homologues of CD122 may optionally be characterised as having at least 70%, preferably one of 80%, 85%, 90%, 91 %, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% or 100% amino acid sequence identity to the amino acid sequence of immature or mature CD122 from a given species, e.g. human CD122.
  • Isoforms, fragments, variants or homologues of CD122 may optionally be functional isoforms, fragments, variants or homologues, e.g. having a functional property/activity of the reference CD122 (e.g. full-length human CD122), as determined by analysis by a suitable assay for the functional property/activity.
  • an isoform, fragment, variant or homologue of CD122 may display one or more of: association with one or more of CD132, IL-2Ra (CD25) or IL-15Ra (CD215), or binding to IL-2 or IL-15.
  • the CD122 has at least 70%, preferably one of 80%, 85%, 90%, 91 %, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% or 100% amino acid sequence identity to one of SEQ ID NOs:434 to 436.
  • Human common gamma chain (yc; also known as CD132, IL-2RG and CIDX) is the protein identified by UniProt P31785-1 , v1 (SEQ ID NO:437).
  • the N-terminal 23 amino acids of SEQ ID NO:437 constitute a signal peptide, and so the mature form (i.e. after processing to remove the signal peptide) of human CD132 protein has the amino acid sequence shown in SEQ ID NO:438.
  • Amino acids 23 to 262 of SEQ ID NO:437 constitute the extracellular domain of CD132, shown in SEQ ID NO:439.
  • yc or “CD132” refers to CD132 from any species and includes isoforms, fragments, variants or homologues of CD132 from any species.
  • the CD132 is mammalian CD132 (e.g. cynomolgous, human and/or rodent (e.g. rat and/or murine) CD132).
  • Isoforms, fragments, variants or homologues of CD132 may optionally be characterised as having at least 70%, preferably one of 80%, 85%, 90%, 91 %, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% or 100% amino acid sequence identity to the amino acid sequence of immature or mature CD132 from a given species, e.g. human CD132.
  • Isoforms, fragments, variants or homologues of CD132 may optionally be functional isoforms, fragments, variants or homologues, e.g. having a functional property/activity of the reference CD132 (e.g. full-length human CD132), as determined by analysis by a suitable assay for the functional property/activity.
  • a functional property/activity of the reference CD132 e.g. full-length human CD132
  • an isoform, fragment, variant or homologue of CD132 may display one or more of: association with one or more of CD122, IL-2Ra, L- 15Ra, IL-4R (CD124), IL-9R (CD129), IL-21 R (CD360) or IL7R (CD127), or binding to one or more of IL- 2, IL-15, IL-4, IL-9, IL-21 or IL-7.
  • a fragment of CD132 may have a minimum length of one of 10, 20, 30, 40, 50, 100, 150, 200, 250 or 300 amino acids, and may have a maximum length of one of 20, 30, 40, 50, 100, 150, 200, 250, 300, 350 amino acids.
  • the CD132 has at least 70%, preferably one of 80%, 85%, 90%, 91 %, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% or 100% amino acid sequence identity to one of SEQ ID NOs:438 to 440.
  • CD122 and CD132 participate in the formation of receptors for IL-2.
  • CD122 and CD132 associate with IL- 2Ra (CD25) to form the trimeric, high-affinity IL-2 receptor (sometimes designated "IL-2Ra/ /yc” or “CD25/CD122/CD132”), which binds to IL-2 with a Kd of -10 pM.
  • CD122 and CD132 are also capable of associating to form a functional intermediate-affinity IL-2 receptor (sometimes designated "IL-2R /vc” or "CD122/CD132"), which binds to IL-2 with a Kd of ⁇ 1 nM.
  • the composition of the receptors, the number, and likely signalling capacity can vary with the cell type and activation stage. IL-2 receptors are expressed at relatively low levels on resting naive T cells.
  • CD25 is expressed at higher amounts (8-10 fold) compared to CD122 and CD132.
  • CD25 is thought to bind IL-2 initially, effectively increasing its concentration at the cell surface and inducing a conformational change in IL-2 which then subsequently binds to the CD122 and CD132 (Liao et al.,
  • NK cells and memory phenotype CD8 cells express high levels of CD122 and CD132 compared to naive cells and some NK cells can also express CD25 after stimulation with IL-2.
  • Tregs CD4 regulatory T cells constitutively express high levels of CD25.
  • Tregs act in multiple ways to down regulate many immune responses, including anti-tumor responses (see e.g.
  • the present invention provides antigen-binding molecules.
  • the antigen-binding molecules are capable of binding to CD122.
  • the antigen-binding molecules are capable of binding to CD132.
  • the antigen-binding molecules are capable of binding to CD122 and CD132.
  • the antigen-binding molecules are capable of binding to CD122 and CD132, and comprise an antigen-binding molecule capable of binding to CD122 and an antigen-binding molecule capable of binding to CD132.
  • an "antigen-binding molecule” as used herein refers to a polypeptide or polypeptide complex which is capable of binding to a target antigen or antigens, and encompasses monoclonal antibodies, polyclonal antibodies, monospecific and multispecific antibodies (e.g., bispecific antibodies), and antibody fragments, as long as they display binding to the relevant target antigen(s).
  • the antigen-binding molecule of the present invention comprises a moiety or moieties capable of binding to the target antigen(s).
  • the moiety capable of binding to a target antigen comprises an antibody heavy chain variable region (VH) and an antibody light chain variable region (VL) of an antibody capable of specific binding to the target antigen.
  • the moiety capable of binding to a target antigen comprises or consists of an aptamer capable of binding to the target antigen, e.g. a nucleic acid aptamer (reviewed, for example, in Zhou and Rossi Nat Rev Drug Discov. 2017 16(3): 181-202).
  • the moiety capable of binding to a target antigen comprises or consists of a antigen- binding peptide/polypeptide, e.g. a peptide aptamer, thioredoxin, monobody, anticalin, Kunitz domain, avimer, knottin, fynomer, atrimer, DARPin, affibody, nanobody (i.e. a single-domain antibody (sdAb)) affilin, armadillo repeat protein (ArmRP), OBody or fibronectin - reviewed e.g. in Reverdatto et al., Curr Top Med Chem.
  • a antigen- binding peptide/polypeptide e.g. a peptide aptamer, thioredoxin, monobody, anticalin, Kunitz domain, avimer, knottin, fynomer, atrimer, DARPin, affibody, nanobody (i.e. a single-domain antibody (
  • the antigen-binding molecules of the present invention generally comprise antigen-binding moieties comprising a VH and a VL of an antibody capable of specific binding to the target antigen.
  • the antigen- binding moiety formed by a VH and a VL may also be referred to herein as an Fv region.
  • An antigen-binding molecule may be, or may comprise, an antigen-binding polypeptide, or an antigen- binding polypeptide complex.
  • An antigen-binding molecule may comprise more than one polypeptide which together form an antigen-binding domain.
  • the polypeptides may associate covalently or non- covalently.
  • the polypeptides form part of a larger polypeptide comprising the polypeptides (e.g. in the case of scFv comprising VH and VL, or in the case of scFab comprising VH-CH1 and VL-CL).
  • An antigen-binding molecule may comprise or consist of one or more polypeptides.
  • an antigen-binding molecule comprises 1 , 2, 3, 4, 5, 6, 7, 8, 9, 10, 1 1 or 12 polypeptides. In some embodiments an antigen-binding molecule is a covalent or non-covalent complex of more than one polypeptide (e.g. 2, 3, 4, 6, 8, 10 or more polypeptides). For example, in some embodiments an antigen- binding molecule comprises two heavy chain polypeptides and two light chain polypeptides.
  • the antigen-binding molecules described herein preferably display specific binding to the relevant target (e.g. CD122 and/or CD132).
  • specific binding refers to binding which is selective for the antigen, and which can be discriminated from non-specific binding to non-target antigen.
  • An antigen- binding molecule that specifically binds to a target molecule preferably binds the target with greater affinity, and/or with greater duration than it binds to other, non-target molecules.
  • An antigen-binding molecule described herein may be capable of binding to CD122 as described herein.
  • An antigen-binding molecule described herein may be capable of binding to CD132 as described herein.
  • An antigen-binding molecule described herein may be capable of binding to CD122 as described herein and CD132 as described herein.
  • the ability of a given polypeptide to bind specifically to a given molecule can be determined by analysis according to methods known in the art, such as by ELISA, Surface Plasmon Resonance (SPR; see e.g. Hearty et al., Methods Mol Biol (2012) 907:41 1-442), Bio-Layer Interferometry (see e.g. Lad et al., (2015) J Biomol Screen 20(4): 498-507), flow cytometry, or by a radiolabeled antigen-binding assay (RIA) enzyme-linked immunosorbent assay.
  • SPR Surface Plasmon Resonance
  • RIA radiolabeled antigen-binding assay
  • the extent of binding of the antigen-binding molecule to an non-target molecule is less than about 10% of the binding of the antibody to the target molecule as measured, e.g. by ELISA, SPR, Bio-Layer Interferometry or by RIA.
  • binding specificity may be reflected in terms of binding affinity where the antigen-binding molecule binds with a dissociation constant (KD) that is at least 0.1 order of magnitude (i.e. 0.1 x 10", where n is an integer representing the order of magnitude) greater than the KD of the antigen-binding molecule towards a non-target molecule.
  • KD dissociation constant
  • This may optionally be one of at least 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.5, or 2.0.
  • the antigen-binding molecule binds to the target molecule with a KD of ⁇ 10 ⁇ , ⁇ 1 ⁇ , ⁇ 100 nM, ⁇ 10 nM, ⁇ 1 nM, ⁇ 0.1 nM, ⁇ 0.01 nM, or ⁇ 0.001 nM as determined by analysis according to SPR, Bio-Layer Interferometry or by RIA.
  • the antigen-binding molecule binds to the same or an overlapping epitope of the target molecule as a reference antigen-binding molecule which is capable of binding to the target molecule (i.e. CD122 or CD132).
  • the antigen-binding molecule displays competitive binding with a reference antigen-binding molecule which is capable of binding to the target molecule. Whether a given antigen-binding molecule displays such competitive binding can be determined by various methods known to the skilled person, including competition ELISA.
  • the antigen-binding molecule comprises the complementarity-determining regions (CDRs) of an antigen-binding molecule which is capable of binding to the target molecule (i.e. CD122 or CD132).
  • Antibodies generally comprise six CDRs; three in the light chain variable region (VL): LC-CDR1 , LC-CDR2, LC-CDR3, and three in the heavy chain variable region (VH): HC-CDR1 , HC-CDR2 and HC- CDR3.
  • VL light chain variable region
  • VH heavy chain variable region
  • the six CDRs together define the paratope of the antibody, which is the part of the antibody which binds to the target molecule.
  • CDRs of the antigen-binding molecules described herein are defined according to Kabat et al., Sequences of Proteins of Immunological Interest, 5th Ed. Public Health Service, National Institutes of Health, Bethesda, MD (1991 ), Chothia et al., J. Mol. Biol. 196:901-917 (1987), and VBASE2, as described in Retter et al., Nucl. Acids Res. (2005) 33 (suppl 1 ): D671-D674.
  • CDRs of the antigen-binding molecules described herein are defined according to Kabat et al., Sequences of Proteins of Immunological Interest, 5th Ed.
  • the antigen-binding molecule may be designed and prepared using the sequences of monoclonal antibodies (mAbs) capable of binding to CD122, and mAbs capable binding to CD132 described herein.
  • mAbs monoclonal antibodies
  • Antigen-binding regions of antibodies such as single chain variable fragment (scFv), Fab and Fab2 fragments may also be used/provided.
  • An 'antigen-binding region' is any fragment of an antibody which is capable of binding to the target for which the given antibody is specific.
  • the antigen-binding molecule of the present invention is a CD122-binding molecule.
  • the antigen-binding molecule comprises or consists of a CD122-binding molecule.
  • the antigen-binding molecule comprises a heavy chain variable (VH) region comprising HC-CDR1 , HC-CDR2 and HC-CDR3 of a CD122-binding antibody clone described herein, or a variant thereof in which one or two or three amino acids in one or more of HC-CDR1 , HC- CDR2, HC-CDR3 are substituted with another amino acid.
  • VH heavy chain variable
  • the antigen-binding molecule comprises a light chain variable (VL) region comprising LC-CDR1 , LC-CDR2 and LC-CDR3 of a CD122-binding antibody clone described herein, or a variant thereof in which one or two or three amino acids in one or more of LC-CDR1 , LC-CDR2, LC-CDR3 are substituted with another amino acid.
  • VL light chain variable
  • the antigen-binding molecule comprises a VH region comprising HC-CDR1 , HC-CDR2 and HC-CDR3 and a VL region comprising LC-CDR1 , LC-CDR2 and LC-CDR3 of a CD122-binding antibody clone described herein, or a variant thereof in which one or two or three amino acids in one or more of HC-CDR1 , HC-CDR2, HC-CDR3, LC-CDR1 , LC-CDR2 or LC-CDR3 are substituted with another amino acid.
  • the antigen-binding molecule comprises a VH region which comprises or consists of an amino acid sequence having at least 70%, more preferably one of at least 75%, 80%, 85%, 86%, 87%, 88%, 89%, 90%, 91 %, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, or 100%, sequence identity to VH region of a CD122-binding antibody clone described herein.
  • the antigen- binding molecule comprises a VL region which comprises or consists of an amino acid sequence having at least 70%, more preferably one of at least 75%, 80%, 85%, 86%, 87%, 88%, 89%, 90%, 91 %, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, or 100%, sequence identity to VL region of a CD122-binding antibody clone described herein.
  • the antigen-binding molecule comprises a VH region which comprises or consists of an amino acid sequence having at least 70%, more preferably one of at least 75%, 80%, 85%, 86%, 87%, 88%, 89%, 90%, 91 %, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, or 100%, sequence identity to VH region of a CD122-binding antibody clone described herein and a VL region which comprises or consists of an amino acid sequence having at least 70%, more preferably one of at least 75%, 80%, 85%, 86%, 87%, 88%, 89%, 90%, 91 %, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, or 100%, sequence identity to VL region of a CD122-binding antibody clone described herein.
  • a CD122-binding antibody clone is selected from: P2C4, P2C4_A4, P2C4_B1 , P2C4_B5, P2C4_C1 , P2C4_C4, P2C4_C7, P2C4_D10, P2C4_E6, P2C4_E7, P2C4_F8, P2C4_C1 D10, P2C4_FW2, P2H7, P2D12, P1G11 , P2C4_A9, P2C4_B6, P2C4_E9, P2C4_B8, P2C4_B12, P2C4_C12, P2C4_E2, P2C4_E3, P2C4_E8, P2C4_F11 , P2C4_G2, P2C4_G11 , P2C4JH1 , P2C4JH2, P2C4JH3, P1 E7, P
  • a CD122-binding antibody clone is selected from: P1 E7, P1 B10, P1 F3, P1 D10, P1 E1 , P2B11 , P2C9, P2C10, P2C11 , P2E6, P2E11 , P2F9 and P2F10.
  • the CD122- binding antibody clone is P2C4, P2C4_FW2, P2E6, P1 D10, P1 E7 or P1G11.
  • the CD122-binding antibody clone is P2C4 or P2C4_FW2.
  • the antigen-binding molecule of the present invention is a CD132-binding molecule.
  • the antigen-binding molecule comprises or consists of a CD132-binding molecule.
  • the antigen-binding molecule comprises a heavy chain variable (VH) region comprising HC-CDR1 , HC-CDR2 and HC-CDR3 of a CD132-binding antibody clone described herein, or a variant thereof in which one or two or three amino acids in one or more of HC-CDR1 , HC- CDR2, HC-CDR3 are substituted with another amino acid.
  • VH heavy chain variable
  • the antigen-binding molecule comprises a light chain variable (VL) region comprising LC-CDR1 , LC-CDR2 and LC-CDR3 of a CD132-binding antibody clone described herein, or a variant thereof in which one or two or three amino acids in one or more of LC-CDR1 , LC-CDR2, LC-CDR3 are substituted with another amino acid.
  • VL light chain variable
  • the antigen-binding molecule comprises a VH region comprising HC-CDR1 , HC-CDR2 and HC-CDR3 and a VL region comprising LC-CDR1 , LC-CDR2 and LC-CDR3 of a CD132-binding antibody clone described herein, or a variant thereof in which one or two or three amino acids in one or more of HC-CDR1 , HC-CDR2, HC-CDR3, LC-CDR1 , LC-CDR2 or LC-CDR3 are substituted with another amino acid.
  • the antigen-binding molecule comprises a VH region which comprises or consists of an amino acid sequence having at least 70%, more preferably one of at least 75%, 80%, 85%, 86%, 87%, 88%, 89%, 90%, 91 %, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, or 100%, sequence identity to VH region of a CD132-binding antibody clone described herein.
  • the antigen- binding molecule comprises a VL region which comprises or consists of an amino acid sequence having at least 70%, more preferably one of at least 75%, 80%, 85%, 86%, 87%, 88%, 89%, 90%, 91 %, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, or 100%, sequence identity to VL region of a CD132-binding antibody clone described herein.
  • the antigen-binding molecule comprises a VH region which comprises or consists of an amino acid sequence having at least 70%, more preferably one of at least 75%, 80%, 85%, 86%, 87%, 88%, 89%, 90%, 91 %, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, or 100%, sequence identity to VH region of a CD132-binding antibody clone described herein and a VL region which comprises or consists of an amino acid sequence having at least 70%, more preferably one of at least 75%, 80%, 85%, 86%, 87%, 88%, 89%, 90%, 91 %, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, or 100%, sequence identity to VL region of a CD132-binding antibody clone described herein.
  • a CD132-binding antibody clone is selected from: P1A3, P1A3_B3, P1A3_E8, P1A3_E9, P2B9, P1A3_B4, P1A3_FW2, P1A10, P1 B6, P1C10, P1 D7, P1 E8, P2B2, P2B7, P2D1 1 , P2F10, P2H4, P2D3, P1 G4, P1 B12 and P1C7.
  • a CD132-binding antibody clone is selected from: P1A10, P1 B6, P1C10, P1 D7, P1 E8, P2B2, P2B7, P2D11 , P2F10, P2H4, P2D3, P1G4, P1 B12 and P1C7.
  • the CD132-binding antibody clone is P1A10.
  • the CD132-binding antibody clone is P1A3 or P1A3_FW2.
  • VH region comprising HC-CDR1 , HC-CDR2 and HC-CDR3 and a VL region comprising LC-
  • CDR1 , LC-CDR2 and LC-CDR3 of a CD122-binding antibody clone or a variant thereof in which one or two or three amino acids in one or more of HC-CDR1 , HC-CDR2, HC-CDR3, LC-CDR1 , LC-CDR2 or LC-
  • CDR3 are substituted with another amino acid
  • VH region comprising HC-CDR1 , HC-CDR2 and HC-CDR3 and a VL region comprising LC- CDR1 , LC-CDR2 and LC-CDR3 of a CD132-binding antibody clone, or a variant thereof in which one or two or three amino acids in one or more of HC-CDR1 , HC-CDR2, HC-CDR3, LC-CDR1 , LC-CDR2 or LC-
  • CDR3 are substituted with another amino acid
  • the CD122-binding antibody clone is P2C4 and the CD132-binding antibody clone is P1A10; or the CD122-binding antibody clone is P2C4 and the CD132-binding antibody clone is P1A3; or the CD122-binding antibody clone is P2C4_FW2 and the CD132-binding antibody clone is P1A3; or the CD122-binding antibody clone is P2E6 and the CD132-binding antibody clone is P1A10; or the CD122-binding antibody clone is P1 D10 and the CD132-binding antibody clone is P1A10; or the CD122-binding antibody clone is P1 E7 and the CD132-binding antibody clone is P1A10; or the CD122-binding antibody clone is P1G11 and the CD132-binding antibody clone is P1A10.
  • VH region having at least 70% sequence identity to the VH region of a CD122-binding antibody clone, and a VL region having at least 70% sequence identity to the VL region of the CD122-binding antibody clone;
  • VH region having at least 70% sequence identity to the VH region of a CD132-binding antibody clone, and a VL region having at least 70% sequence identity to the VL region of the CD132-binding antibody clone;
  • the CD122-binding antibody clone is P2C4 and the CD132-binding antibody clone is P1A10; or the CD122-binding antibody clone is P2C4 and the CD132-binding antibody clone is P1A3; or the CD122-binding antibody clone is P2C4_FW2 and the CD132-binding antibody clone is P1A3; or
  • the CD122-binding antibody clone is P2E6 and the CD132-binding antibody clone is P1A10; or the CD122-binding antibody clone is P1 D10 and the CD132-binding antibody clone is P1A10; or the CD122-binding antibody clone is P1 E7 and the CD132-binding antibody clone is P1A10; or the CD122-binding antibody clone is P1G11 and the CD132-binding antibody clone is P1A10.
  • a CD122-binding antigen-binding molecule comprising:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 103
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:116
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:128;
  • LC-CDR3 having the amino acid sequence of SEQ ID NO: 177;
  • a CD132-binding antigen-binding molecule comprising:
  • HC-CDR1 having the amino acid sequence of SEQ ID NO: 196
  • HC-CDR2 having the amino acid sequence of SEQ ID NO:204
  • HC-CDR3 having the amino acid sequence of SEQ ID NO:212;
  • the antigen-binding molecule comprises:
  • a CD122-binding antigen-binding molecule comprising:
  • VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:1 ;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:35;
  • a CD132-binding antigen-binding molecule comprising:
  • (P1A10) a VH region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:71 ;
  • VL region comprising an amino acid sequence having at least 85% sequence identity to SEQ ID NO:89.
  • the antigen-binding molecule may comprise a variant of a reference VL VH region, e.g. comprising 1 , 2, 3, 4, 5, 6, 7, 8, 9 or 10 substitutions with respect to the amino acid sequence of the reference VL/VH region(s).
  • the substitution(s) are not in the CDRs.
  • the substitution(s) are in the framework region(s) - i.e. the amino acid sequences of the VL/VH region(s) other than the CDRs.
  • substitutions are conservative substitutions, for example according to the following Table.
  • amino acids in the same block in the middle column are substituted.
  • amino acids in the same line in the rightmost column are substituted:
  • the antigen-binding molecule of the present invention does not comprise a combination of CDRs or VL/VH domains disclosed in WO 2017/021540 A1 (hereby incorporated by reference in its entirety).
  • the CD122-binding antigen-binding molecule according to the invention comprises or consists of an amino acid sequence having at least 70%, more preferably one of at least 75%, 80%, 85%, 86%, 87%, 88%, 89%, 90%, 91 %, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, or 100%, sequence identity to one of SEQ ID NOs:265 to 308.
  • the CD122-binding antigen- binding molecule comprises or consists of an amino acid sequence having at least 70%, more preferably one of at least 75%, 80%, 85%, 86%, 87%, 88%, 89%, 90%, 91 %, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, or 100%, sequence identity to one of SEQ ID NOs:296 to 308.
  • the CD132-binding antigen-binding molecule according to the invention comprises or consists of an amino acid sequence having at least 70%, more preferably one of at least 75%, 80%, 85%, 86%, 87%, 88%, 89%, 90%, 91 %, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, or 100%, sequence identity to one of SEQ ID NOs:309 to 329.
  • the CD132-binding antigen- binding molecule comprises or consist of an amino acid sequence having at least 70%, more preferably one of at least 75%, 80%, 85%, 86%, 87%, 88%, 89%, 90%, 91 %, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, or 100%, sequence identity to one of SEQ ID NOs:316 to 329.
  • the CD122-binding antigen-binding molecule lacks HC-CDR1 , HC-CDR2, HC-CDR3, LC-CDR1 , LC-CDR2, and LC-CDR3 of one or more of the following clones: P2C4, P2C4_A4, P2C4_B1 , P2C4_B5, P2C4_C1 , P2C4_C4, P2C4_C7, P2C4_D10, P2C4_E6, P2C4_E7, P2C4_F8, P2C4_C1 D10, P2C4_FW2, P2H7, P2D12, P1 G1 1 , P2C4_A9, P2C4_B6, P2C4_E9, P2C4_B8, P2C4_B12, P2C4_C12, P2C4_E2, P2C4_E3, P2C
  • the CD122-binding antigen- binding molecule according to the present invention lacks the VL domain sequence and/or the VH domain sequence of one or more of said clones. In some embodiments the CD122-binding antigen-binding molecule according to the present invention lacks the VL domain sequence and/or the VH domain sequence of one or more of said clones.
  • the CD132-binding antigen-binding molecule according to the present invention lacks HC-CDR1 , HC-CDR2, HC-CDR3, LC-CDR1 , LC-CDR2, and LC-CDR3 of one or more of the following clones: P1A3, P1A3_B3, P1A3_E8, P1A3_E9, P1A3_B4, P1A3_FW2 and P2B9.
  • the CD132-binding antigen-binding molecule according to the present invention lacks the VL domain sequence and/or the VH domain sequence of one or more of said clones.
  • Antigen-binding molecules may be produced by a process of affinity maturation in which a modified antibody is generated that has an improvement in the affinity of the antibody for antigen, compared to an unmodified parent antibody.
  • Affinity-matured antigen-binding molecules may be produced by procedures known in the art, e.g., Marks ef al., Rio/Technology 10:779-783 (1992); Barbas ef al. Proc Nat. Acad. Sci. USA 91 :3809-3813 (1994); Schier et al. Gene 169: 147-155 (1995); Yelton ef al. J. Immunol. 155: 1994- 2004 (1995); Jackson ef al., J. Immunol. 154(7):331 0-15 9 (1995); and Hawkins ef al, J. Mol. Biol.
  • the antigen-binding molecule according to the present invention comprises, or consists of, an Fv region which binds to CD122. In some embodiments, the antigen-binding molecule comprises, or consists of, an Fv region which binds to CD132.
  • the antigen-binding molecule of the antigen-binding molecule described herein comprises, or consists of, a Fab region which binds to CD122. In some embodiments, the antigen-binding molecule comprises, or consists of, a Fab region which binds to CD132.
  • the antigen-binding molecule described herein comprises, or consists of, a whole antibody which binds to CD122. In some embodiments, the antigen-binding molecule described herein comprises, or consists of, a whole antibody which binds to a CD132.
  • whole antibody refers to an antibody having a structure which is substantially similar to the structure of an
  • immunoglobulin (Ig). Different kinds of immunoglobulins and their structures are described e.g. in Schroeder and Cavacini J Allergy Clin Immunol. (2010) 125(202): S41-S52, which is hereby incorporated by reference in its entirety.
  • Immunoglobulins of type G are -150 kDa glycoproteins comprising two heavy chains and two light chains. From N- to C-terminus, the heavy chains comprise a VH followed by a heavy chain constant region comprising three constant domains (CH 1 , CH2, and CH3), and similarly the light chains comprise a VL followed by a CL.
  • immunoglobulins may be classed as IgG (e.g. lgG1 , lgG2, lgG3, lgG4), IgA (e.g. lgA1 , lgA2), IgD, IgE, or IgM.
  • the light chain may be kappa ( ⁇ ) or lambda ( ⁇ ).
  • the immunoglobulin heavy chain constant sequence is human immunoglobulin G 1 constant (IGHG1 ; UniProt: P01857-1 , v1 ; SEQ ID NO:440). Positions 1 to 98 of SEQ ID NO:440 form the CH1 region (SEQ ID NO:441 ). Positions 99 to 1 10 of SEQ ID NO:440 form a hinge region between CH1 and CH2 regions (SEQ ID NO:442). Positions 1 1 1 1 to 223 of SEQ ID NO:440 form the CH2 region (SEQ ID NO:443). Positions 224 to 330 of SEQ ID NO:440 form the CH3 region (SEQ ID NO:444).
  • a CH 1 region comprises or consists of the sequence of SEQ ID NO:441 , or a sequence having at least 60%, preferably one of 70%, 75%, 80%, 85%, 90%, 91 %, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% or 100% amino acid sequence identity to the amino acid sequence of SEQ ID NO:441.
  • a CH1-CH2 hinge region comprises or consists of the sequence of SEQ ID NO:442, or a sequence having at least 60%, preferably one of 70%, 75%, 80%, 85%, 90%, 91 %, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% or 100% amino acid sequence identity to the amino acid sequence of SEQ ID NO:442.
  • a CH2 region comprises or consists of the sequence of SEQ ID NO:443, or a sequence having at least 60%, preferably one of 70%, 75%, 80%, 85%, 90%, 91 %, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% or 100% amino acid sequence identity to the amino acid sequence of SEQ ID NO:443.
  • a CH3 region comprises or consists of the sequence of SEQ ID NO:444, or a sequence having at least 60%, preferably one of 70%, 75%, 80%,
  • CH3 regions may be provided with further substitutions in accordance with modification to an Fc region of the antigen-binding molecule as described herein.
  • a CH3 region comprises or consists of the sequence of SEQ ID NO:447, or a sequence having at least 60%, preferably one of 70%, 75%, 80%, 85%, 90%, 91 %, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% or 100% amino acid sequence identity to the amino acid sequence of SEQ ID NO:447.
  • a CH3 region comprises or consists of the sequence of SEQ ID NO:448, or a sequence having at least 60%, preferably one of 70%, 75%, 80%, 85%, 90%, 91 %, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% or 100% amino acid sequence identity to the amino acid sequence of SEQ ID NO:448.
  • the antigen-binding molecule of the present invention comprises one or more regions of an immunoglobulin light chain constant sequence.
  • the immunoglobulin light chain constant sequence is human immunoglobulin kappa constant (IGKC; CK; UniProt: P01834-1 , v2; SEQ ID NO:445).
  • the immunoglobulin light chain constant sequence is a human immunoglobulin lambda constant (IGLC; CA), e.g. IGLC1 , IGLC2, IGLC3, IGLC6 or IGLC7.
  • a CL region comprises or consists of the sequence of SEQ ID NO:445, or a sequence having at least 60%, preferably one of 70%, 75%, 80%, 85%, 90%, 91 %, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% or 100% amino acid sequence identity to the amino acid sequence of SEQ ID NO:445.
  • the antigen-binding molecule described herein comprises, or consists of, an IgG (e.g. lgG1 , lgG2, lgG3, lgG4), IgA (e.g. lgA1 , lgA2), IgD, IgE, or IgM which binds to CD122.
  • the antigen-binding molecule described herein comprises, or consists of, an IgG (e.g. lgG1 , lgG2, lgG3, lgG4), IgA (e.g. lgA1 , lgA2), IgD, IgE, or IgM which binds to CD132.
  • the antigen-binding molecules according to the present invention may be provided in any suitable format.
  • multispecific antigen-binding molecules By “multispecific” it is meant that the antigen-binding molecule displays specific binding to more than one target. In particular, the antigen-binding molecule is binding to CD122 and CD132, and so is at least bispecific.
  • bispecific means that the antigen-binding molecule is able to bind specifically to at least two distinct antigenic determinants.
  • Multispecific antigen-binding molecules described herein display at least monovalent binding with respect to CD122, and also displays at least monovalent binding with respect to CD132.
  • Binding valency refers to the number of binding sites in an antigen-binding molecule for a given antigenic determinant.
  • bispecific antigen-binding molecules in scFv-KiH-Fc, CrossMab and Duobody formats are provided herein, which are monovalent with respect to binding to CD122, and monovalent with respect to binding to CD132.
  • the antigen-binding molecule comprises one binding site for CD122, and one binding site for CD132. In some embodiments the antigen-binding molecule comprises more than one binding site (e.g. two, three) for CD122. In some embodiments the antigen-binding molecule comprises more than one binding site (e.g. two, three) for CD132. In some embodiments the antigen-binding molecule comprises more than one binding site (e.g. two, three) for CD122, and more than one binding site (e.g. two, three) for CD132. In some embodiments the antigen-binding molecule is multivalent (e.g. bivalent, trivalent) for CD122. In some embodiments the antigen-binding molecule is multivalent (e.g. bivalent, trivalent) for CD132. In some embodiments the antigen-binding molecule is multivalent (e.g. bivalent, trivalent) for CD122, and multivalent (e.g. bivalent, trivalent) for CD132.
  • the antigen-binding molecule comprises two binding sites for CD122. In some embodiments the antigen-binding molecule comprises two binding sites for CD132. In some
  • the antigen-binding molecule comprises two binding sites for CD122, and two binding sites for CD 132.
  • Multispecific antigen-binding molecules may be provided in any suitable format, such as those formats described in Kontermann MAbs 2012, 4(2): 182-197, which is hereby incorporated by reference in its entirety.
  • an antigen-binding molecule may be a bispecific antibody conjugate (e.g. an lgG2, F(ab')2 or CovX-Body), a bispecific IgG or IgG-like molecule (e.g.
  • bispecific antigen-binding molecules include chemically crosslinking of antigen-binding molecules or antibody fragments, e.g. with reducible disulphide or non-reducible thioether bonds, for example as described in Segal and Bast, 2001. Production of Bispecific Antigen-binding molecules.
  • A/-succinimidyl-3-(-2-pyridyldithio)-propionate can be used to chemically crosslink e.g. Fab fragments via hinge region SH- groups, to create d is ulfide-l inked bispecific F(ab)2 heterodimers.
  • bispecific antigen-binding molecules include fusing antibody-producing hybridomas e.g. with polyethylene glycol, to produce a quadroma cell capable of secreting bispecific antibody, for example as described in D. M. and Bast, B. J. 2001. Production of Bispecific Antigen-binding molecules. Current Protocols in Immunology. 14:IV:2.13:2.13.1-2.13.16.
  • Bispecific antigen-binding molecules according to the present invention can also be produced
  • a DNA construct encoding the light and heavy chain variable domains for the two antigen- binding fragments i.e. the light and heavy chain variable domains for the antigen-binding fragment capable of binding CD122 or CD132, and the light and heavy chain variable domains for the antigen- binding fragment capable of binding to another target protein
  • sequences encoding a suitable linker or dimerization domain between the antigen-binding fragments can be prepared by molecular cloning techniques.
  • Recombinant bispecific antibody can thereafter be produced by expression (e.g. in vitro) of the construct in a suitable host cell (e.g. a mammalian host cell), and expressed recombinant bispecific antibody can then optionally be purified.
  • the antigen-binding molecule comprises an Fv fragment, scFv or Fab fragment specific for CD122 and an Fv, scFv or Fab fragment specific for CD132.
  • the antigen-binding molecule according to the present invention comprises: a CD122-binding region comprising:
  • polypeptide comprising a VH, a CH2 domain and a CH3 domain
  • polypeptide comprising a VL and a CL domain

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WO2024146959A1 (en) 2023-01-06 2024-07-11 Twain Therapeutics Pte. Ltd. Antigen-binding molecules
WO2024146957A1 (en) 2023-01-06 2024-07-11 Twain Therapeutics Pte. Ltd. Antigen-binding molecules
WO2024146955A1 (en) 2023-01-06 2024-07-11 Twain Therapeutics Pte. Ltd. Antigen-binding molecules
WO2024146956A1 (en) 2023-01-06 2024-07-11 Twain Therapeutics Pte. Ltd. Antigen-binding molecules
WO2024146960A1 (en) 2023-01-06 2024-07-11 Twain Therapeutics Pte. Ltd. Antigen-binding molecules
WO2026033139A1 (en) * 2024-08-09 2026-02-12 Twain Therapeutics Pte. Ltd. Antigen-binding molecules

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US20240052046A1 (en) 2024-02-15
EP3707162A1 (en) 2020-09-16
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US20220251221A1 (en) 2022-08-11
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US11739157B2 (en) 2023-08-29
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