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CD19 & CD89 Bispecific Antibodies
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Product List

CAT# Product Name Species Reactivity BsAb Type Target 1 Host Animal 1 Target 2 Host Animal 2 INQUIRY
T-BSDB-H220 Recombinant Human Anti-CD19 x Human Anti-CD89 Bispecific Antibody (Tandem Diabody) Human Tandem Diabody CD19 Human CD89 Human Inquiry
T-BSDB-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (Tandem Diabody) Human Tandem Diabody CD19 Mouse CD89 Mouse Inquiry
SCIGG-H222 Recombinant Human Anti-CD19 x Human Anti-CD89 Bispecific Antibody (scIgG) Human Single chain IgGs CD19 Human CD89 Human Inquiry
SCIGG-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (scIgG) Human Single chain IgGs CD19 Mouse CD89 Mouse Inquiry
FVTIG-H222 Recombinant Human Anti-CD19 x Human Anti-CD89 Bispecific Antibody (scFv4-Ig) Human scFv4-Ig CD19 Human CD89 Human Inquiry
FVTIG-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (scFv4-Ig) Human scFv4-Ig CD19 Mouse CD89 Mouse Inquiry
BSSG-H222 Recombinant Human Anti-CD19 x Human Anti-CD89 Bispecific Antibody (scFv-IgG) Human scFv-IgG CD19 Human CD89 Human Inquiry
BSSG-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (scFv-IgG) Human scFv-IgG CD19 Mouse CD89 Mouse Inquiry
IGLFV-H222 Recombinant Human Anti-CD19 x Human Anti-CD89 Bispecific Antibody (IgG(L)-scFv) Human IgG (L)-scFv CD19 Human CD89 Human Inquiry
IGLFV-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (IgG(L)-scFv) Human IgG (L)-scFv CD19 Mouse CD89 Mouse Inquiry
BSGV-H222 Recombinant Human Anti-CD19 x Human Anti-CD89 Bispecific Antibody (IgG-Fv) Human IgG-Fv CD19 Mouse CD89 Mouse Inquiry
BSGV-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (IgG-Fv) Human IgG-Fv CD19 Mouse CD89 Mouse Inquiry
BSDG-H222 Recombinant Human Anti-CD19 x Human Anti-CD89 Bispecific Antibody (Fv-IgG) Human Fv-IgG CD19 Human CD89 Human Inquiry
BSDG-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (Fv-IgG) Human Fv-IgG CD19 Mouse CD89 Mouse Inquiry
BABFV-H222 Recombinant Human Anti-CD19 x Human Anti-CD89 Bispecific Antibody (F(ab')2-scFv2) Human F(ab')2-scFv2 CD19 Human CD89 Human Inquiry
BABFV-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (F(ab')2-scFv2) Human F(ab')2-scFv2 CD19 Mouse CD89 Mouse Inquiry
FABVC-H222 Recombinant Human Anti-CD19 x Human Anti-CD89 Bispecific Antibody (Fab-scFv-Fc) Human Fab-scFv/sdAb-Fc CD19 Human CD89 Human Inquiry
FABVC-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (Fab-scFv-Fc) Human Fab-scFv/sdAb-Fc CD19 Mouse CD89 Mouse Inquiry
SCDBC-H222 Recombinant Human Anti-CD19 x Human Anti-CD89 Bispecific Antibody (scDiabody-CH3) Human scDiabody-CH3 CD19 Human CD89 Human Inquiry
SCDBC-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (scDiabody-CH3) Human scDiabody-CH3 CD19 Mouse CD89 Mouse Inquiry
BSDBC-H222 Recombinant Human Anti-CD19 x Human Anti-CD89 Bispecific Antibody (Diabody-CH3) Human Diabody-CH3 CD19 Human CD89 Human Inquiry
BSDBC-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (Diabody-CH3) Human Diabody-CH3 CD19 Mouse CD89 Mouse Inquiry
SCDBF-H222 Recombinant Human Anti-CD19 x Human Anti-CD89 Bispecific Antibody (scDiabody-Fc) Human scDiabody-Fc CD19 Human CD89 Human Inquiry
SCDBF-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (scDiabody-Fc) Human scDiabody-Fc CD19 Mouse CD89 Mouse Inquiry
BSFVF-H222 Recombinant Human Anti-CD19 x Human Anti-CD89 Bispecific Antibody (Tandem scFv-Fc) Human Tandem scFv-Fc CD19 Human CD89 Human Inquiry
BSFVF-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (Tandem scFv-Fc) Human Tandem scFv-Fc CD19 Mouse CD89 Mouse Inquiry
BSDBF-H222 Recombinant Human Anti-CD19 x Human Anti-CD89 Bispecific Antibody (Diabody-Fc) Human Diabody-Fc CD19 Human CD89 Human Inquiry
BSDBF-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (Diabody-Fc) Human Diabody-Fc CD19 Mouse CD89 Mouse Inquiry
BSTF-H222 Recombinant Human Anti-CD19 x Human Anti-CD89 Bispecific Antibody (scFv-Fc-scFv) Human scFv-Fc-scFv CD19 Mouse CD89 Mouse Inquiry
BSTF-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (scFv-Fc-scFv) Human scFv-Fc-scFv CD19 Mouse CD89 Mouse Inquiry
BSCFV-H222 Recombinant Human Anti-CD19 x Human Anti-CD89 Bispecific Antibody (scFv-Fc) Human scFv-Fc CD19 Mouse CD89 Mouse Inquiry
BSCFV-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (scFv-Fc) Human scFv-Fc CD19 Mouse CD89 Mouse Inquiry
MNAB-H222 Recombinant Human Anti-CD19 x Human Anti-CD89 Bispecific Antibody (Miniantibody) Human Miniantibody CD19 Mouse CD89 Mouse Inquiry
MNAB-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (Miniantibody) Human Miniantibody CD19 Mouse CD89 Mouse Inquiry
BSFC-H222 Recombinant Human Anti-CD19 x Human Anti-CD89 Bispecific Antibody (scFv-CH3) Human scFv-CH3 CD19 Mouse CD89 Mouse Inquiry
BSFC-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (scFv-CH3) Human scFv-CH3 CD19 Mouse CD89 Mouse Inquiry
BSCC-H222 Recombinant Human Anti-CD19 x Human Anti-CD89 Bispecific Antibody (scFv-CH1/CL) Human scFv-CH1/CL CD19 Mouse CD89 Mouse Inquiry
BSCC-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (scFv-CH1/CL) Human scFv-CH1/CL CD19 Mouse CD89 Mouse Inquiry
BIBD-H222 Recombinant Human Anti-CD19 x Human Anti-CD89 Bispecific Antibody (Bibody) Human Bibody CD19 Mouse CD89 Mouse Inquiry
BIBD-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (Bibody) Human Bibody CD19 Mouse CD89 Mouse Inquiry
FABFV-H222 Recombinant Human Anti-CD19 x Human Anti-CD89 Bispecific Antibody (Fab-Fv) Human Fab-Fv CD19 Human CD89 Human Inquiry
FABFV-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (Fab-Fv) Human Fab-Fv CD19 Mouse CD89 Mouse Inquiry
MiniB-H222 Recombinant Human Anti-CD19 x Human Anti-CD89 Bispecific Antibody (Minibody) Human Minibody CD19 Human CD89 Human Inquiry
MiniB-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (Minibody) Human Minibody CD19 Mouse CD89 Mouse Inquiry
SCTB-H120 Recombinant Human Anti-CD19 x Anti-CD89 Bispecific Antibody (Single-chain Triplebody) Human Single-chain Triplebody CD19 Human CD89 Human Inquiry
SCDB-H220 Recombinant Human Anti-CD19 x Anti-CD89 Bispecific Antibody (Single-chain Diabody) Human Single-chain Diabody CD19 Human CD89 Human Inquiry
FABIG-H220 Recombinant Human Anti-CD19 x Anti-CD89 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD19 Human CD89 Human Inquiry
TRIB-H222 Recombinant Human Anti-CD19 x Anti-CD89 Bispecific Antibody (Fab-scFv-scFv) Human Fab-scFv-scFv CD19 Human CD89 Human Inquiry
BSIG-H220 Human Anti-CD19 x Anti-CD89 Bispecific Antibody (IgG-IgG) Human IgG-IgG CD19 Human CD89 Human Inquiry
CROSSAB-H220 Recombinant Human Anti-CD19 x Anti-CD89 Bispecific Antibody (CrossMab) Human CrossMab CD19 Human CD89 Human Inquiry
IGFV-H220 Recombinant Human Anti-CD19 x Anti-CD89 Bispecific Antibody (IgG-scFv) Human IgG-scFv CD19 Human CD89 Human Inquiry
BSDB-H220 Recombinant Human Anti-CD19 x Anti-CD89 Bispecific Antibody (Diabody) Human Diabody CD19 Human CD89 Human Inquiry
BSFAB-H220 Recombinant Human Anti-CD19 x Anti-CD89 Bispecific Antibody (Tandem Fab) Human Tandem Fab CD19 Human CD89 Human Inquiry
BSFV-H220 Recombinant Human Anti-CD19 x Anti-CD89 Bispecific Antibody (Tandem scFv) Human Tandem scFv CD19 Human CD89 Human Inquiry
SCTB-020 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (Single-chain Triplebody) Human Single-chain Triplebody CD19 Mouse CD89 Mouse Inquiry
SCDB-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (Single-chain Diabody) Human Single-chain Diabody CD19 Mouse CD89 Mouse Inquiry
FABIG-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD19 Mouse CD89 Mouse Inquiry
TRIB-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (Fab-scFv-scFv) Human Fab-scFv-scFv CD19 Mouse CD89 Mouse Inquiry
BSIG-045 Anti-CD19 x Anti-CD89 Bispecific Antibody (IgG-IgG) Human IgG-IgG CD19 Mouse CD89 Mouse Inquiry
CROSSAB-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (CrossMab) Human CrossMab CD19 Mouse CD89 Mouse Inquiry
IGFV-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (IgG-scFv) Human IgG-scFv CD19 Mouse CD89 Mouse Inquiry
BSDB-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (Diabody) Human Diabody CD19 Mouse CD89 Mouse Inquiry
BSFAB-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (Tandem Fab) Human Tandem Fab CD19 Mouse CD89 Mouse Inquiry
BSFV-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (Tandem scFv) Human Tandem scFv CD19 Mouse CD89 Mouse Inquiry
SCDB-135 Recombinant Anti-CD89 x Anti-S. pneumoniae Bispecific Antibody (Single-chain Diabody) Human Single-chain Diabody CD89 Mouse S. pneumoniae Mouse Inquiry
SCDB-134 Recombinant Anti-CD89 x Anti-Malaria Antigen Bispecific Antibody (Single-chain Diabody) Human Single-chain Diabody CD89 Mouse Malaria Antigen Mouse Inquiry
SCDB-133 Recombinant Anti-CD89 x Anti-HIV-1 gp41 Bispecific Antibody (Single-chain Diabody) Human Single-chain Diabody CD89 Mouse HIV-1 gp41 Mouse Inquiry
SCDB-132 Recombinant Anti-CD89 x Anti-EGFR Bispecific Antibody (Single-chain Diabody) Human Single-chain Diabody CD89 Mouse EGFR Mouse Inquiry
SCDB-044 Recombinant Anti-CD19 x Anti-CD64 Bispecific Antibody (Single-chain Diabody) Human Single-chain Diabody CD19 Mouse CD64 Mouse Inquiry
SCDB-043 Recombinant Anti-CD19 x Anti-CD59 Bispecific Antibody (Single-chain Diabody) Human Single-chain Diabody CD19 Mouse CD59 Mouse Inquiry
SCDB-042 Recombinant Anti-CD19 x Anti-CD47 Bispecific Antibody (Single-chain Diabody) Human Single-chain Diabody CD19 Mouse CD47 Mouse Inquiry
SCDB-041 Recombinant Anti-CD19 x Anti-CD3 Bispecific Antibody (Single-chain Diabody) Human Single-chain Diabody CD19 Mouse CD3 Mouse Inquiry
SCDB-040 Recombinant Anti-CD19 x Anti-CD28 Bispecific Antibody (Single-chain Diabody) Human Single-chain Diabody CD19 Mouse CD28 Mouse Inquiry
SCDB-039 Recombinant Anti-CD19 x Anti-CD22 Bispecific Antibody (Single-chain Diabody) Human Single-chain Diabody CD19 Mouse CD22 Mouse Inquiry
FABIG-135 Recombinant Anti-CD89 x Anti-S. pneumoniae Bispecific Antibody (Fab-IgG) Human Fab-IgG CD89 Mouse S. pneumoniae Mouse Inquiry
FABIG-134 Recombinant Anti-CD89 x Anti-Malaria Antigen Bispecific Antibody (Fab-IgG) Human Fab-IgG CD89 Mouse Malaria Antigen Mouse Inquiry
FABIG-133 Recombinant Anti-CD89 x Anti-HIV-1 gp41 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD89 Mouse HIV-1 gp41 Mouse Inquiry
FABIG-132 Recombinant Anti-CD89 x Anti-EGFR Bispecific Antibody (Fab-IgG) Human Fab-IgG CD89 Mouse EGFR Mouse Inquiry
FABIG-044 Recombinant Anti-CD19 x Anti-CD64 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD19 Mouse CD64 Mouse Inquiry
FABIG-043 Recombinant Anti-CD19 x Anti-CD59 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD19 Mouse CD59 Mouse Inquiry
FABIG-042 Recombinant Anti-CD19 x Anti-CD47 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD19 Mouse CD47 Mouse Inquiry
FABIG-041 Recombinant Anti-CD19 x Anti-CD3 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD19 Mouse CD3 Mouse Inquiry
FABIG-040 Recombinant Anti-CD19 x Anti-CD28 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD19 Mouse CD28 Mouse Inquiry
FABIG-039 Recombinant Anti-CD19 x Anti-CD22 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD19 Mouse CD22 Mouse Inquiry
TRIB-193 Recombinant Anti-CD16 x Anti-CD33 x Anti-CD19 Trispecific Antibody (Fab-scFv-scFv) Human Fab-scFv-scFv CD16 Mouse CD33 Mouse Inquiry
TRIB-135 Recombinant Anti-CD89 x Anti-S. pneumoniae Bispecific Antibody (Fab-scFv-scFv) Human Fab-scFv-scFv CD89 Mouse S. pneumoniae Mouse Inquiry
TRIB-134 Recombinant Anti-CD89 x Anti-Malaria Antigen Bispecific Antibody (Fab-scFv-scFv) Human Fab-scFv-scFv CD89 Mouse Malaria Antigen Mouse Inquiry
TRIB-133 Recombinant Anti-CD89 x Anti-HIV-1 gp41 Bispecific Antibody (Fab-scFv-scFv) Human Fab-scFv-scFv CD89 Mouse HIV-1 gp41 Mouse Inquiry
TRIB-132 Recombinant Anti-CD89 x Anti-EGFR Bispecific Antibody (Fab-scFv-scFv) Human Fab-scFv-scFv CD89 Mouse EGFR Mouse Inquiry
TRIB-044 Recombinant Anti-CD19 x Anti-CD64 Bispecific Antibody (Fab-scFv-scFv) Human Fab-scFv-scFv CD19 Mouse CD64 Mouse Inquiry
TRIB-043 Recombinant Anti-CD19 x Anti-CD59 Bispecific Antibody (Fab-scFv-scFv) Human Fab-scFv-scFv CD19 Mouse CD59 Mouse Inquiry
TRIB-042 Recombinant Anti-CD19 x Anti-CD47 Bispecific Antibody (Fab-scFv-scFv) Human Fab-scFv-scFv CD19 Mouse CD47 Mouse Inquiry
TRIB-041 Recombinant Anti-CD19 x Anti-CD3 Bispecific Antibody (Fab-scFv-scFv) Human Fab-scFv-scFv CD19 Mouse CD3 Mouse Inquiry
TRIB-040 Recombinant Anti-CD19 x Anti-CD28 Bispecific Antibody (Fab-scFv-scFv) Human Fab-scFv-scFv CD19 Mouse CD28 Mouse Inquiry
TRIB-039 Recombinant Anti-CD19 x Anti-CD22 Bispecific Antibody (Fab-scFv-scFv) Human Fab-scFv-scFv CD19 Mouse CD22 Mouse Inquiry
BSIG-135 Anti-CD89 x Anti-S. pneumoniae Bispecific Antibody (IgG-IgG) Human IgG-IgG CD89 Mouse S. pneumoniae Mouse Inquiry
BSIG-134 Anti-CD89 x Anti-Malaria Antigen Bispecific Antibody (IgG-IgG) Human IgG-IgG CD89 Mouse Malaria Antigen Mouse Inquiry
BSIG-133 Anti-CD89 x Anti-HIV-1 gp41 Bispecific Antibody (IgG-IgG) Human IgG-IgG CD89 Mouse HIV-1 gp41 Mouse Inquiry
BSIG-132 Anti-CD89 x Anti-EGFR Bispecific Antibody (IgG-IgG) Human IgG-IgG CD89 Mouse EGFR Mouse Inquiry
BSIG-044 Anti-CD19 x Anti-CD64 Bispecific Antibody (IgG-IgG) Human IgG-IgG CD19 Mouse CD64 Mouse Inquiry
BSIG-043 Anti-CD19 x Anti-CD59 Bispecific Antibody (IgG-IgG) Human IgG-IgG CD19 Mouse CD59 Mouse Inquiry
BSIG-042 Anti-CD19 x Anti-CD47 Bispecific Antibody (IgG-IgG) Human IgG-IgG CD19 Mouse CD47 Mouse Inquiry
BSIG-041 Anti-CD19 x Anti-CD3 Bispecific Antibody (IgG-IgG) Human IgG-IgG CD19 Mouse CD3 Mouse Inquiry
BSIG-040 Anti-CD19 x Anti-CD28 Bispecific Antibody (IgG-IgG) Human IgG-IgG CD19 Mouse CD28 Mouse Inquiry
BSIG-039 Anti-CD19 x Anti-CD22 Bispecific Antibody (IgG-IgG) Human IgG-IgG CD19 Mouse CD22 Mouse Inquiry
CROSSAB-135 Recombinant Anti-CD89 x Anti-S. pneumoniae Bispecific Antibody (CrossMab) Human CrossMab CD89 Mouse S. pneumoniae Mouse Inquiry
CROSSAB-134 Recombinant Anti-CD89 x Anti-Malaria Antigen Bispecific Antibody (CrossMab) Human CrossMab CD89 Mouse Malaria Antigen Mouse Inquiry
CROSSAB-133 Recombinant Anti-CD89 x Anti-HIV-1 gp41 Bispecific Antibody (CrossMab) Human CrossMab CD89 Mouse HIV-1 gp41 Mouse Inquiry
CROSSAB-132 Recombinant Anti-CD89 x Anti-EGFR Bispecific Antibody (CrossMab) Human CrossMab CD89 Mouse EGFR Mouse Inquiry
CROSSAB-044 Recombinant Anti-CD19 x Anti-CD64 Bispecific Antibody (CrossMab) Human CrossMab CD19 Mouse CD64 Mouse Inquiry
CROSSAB-043 Recombinant Anti-CD19 x Anti-CD59 Bispecific Antibody (CrossMab) Human CrossMab CD19 Mouse CD59 Mouse Inquiry
CROSSAB-042 Recombinant Anti-CD19 x Anti-CD47 Bispecific Antibody (CrossMab) Human CrossMab CD19 Mouse CD47 Mouse Inquiry
CROSSAB-041 Recombinant Anti-CD19 x Anti-CD3 Bispecific Antibody (CrossMab) Human CrossMab CD19 Mouse CD3 Mouse Inquiry
CROSSAB-040 Recombinant Anti-CD19 x Anti-CD28 Bispecific Antibody (CrossMab) Human CrossMab CD19 Mouse CD28 Mouse Inquiry
CROSSAB-039 Recombinant Anti-CD19 x Anti-CD22 Bispecific Antibody (CrossMab) Human CrossMab CD19 Mouse CD22 Mouse Inquiry
IGFV-135 Recombinant Anti-CD89 x Anti-S. pneumoniae Bispecific Antibody (IgG-scFv) Human IgG-scFv CD89 Mouse S. pneumoniae Mouse Inquiry
IGFV-134 Recombinant Anti-CD89 x Anti-Malaria Antigen Bispecific Antibody (IgG-scFv) Human IgG-scFv CD89 Mouse Malaria Antigen Mouse Inquiry
IGFV-133 Recombinant Anti-CD89 x Anti-HIV-1 gp41 Bispecific Antibody (IgG-scFv) Human IgG-scFv CD89 Mouse HIV-1 gp41 Mouse Inquiry
IGFV-132 Recombinant Anti-CD89 x Anti-EGFR Bispecific Antibody (IgG-scFv) Human IgG-scFv CD89 Mouse EGFR Mouse Inquiry
IGFV-044 Recombinant Anti-CD19 x Anti-CD64 Bispecific Antibody (IgG-scFv) Human IgG-scFv CD19 Mouse CD64 Mouse Inquiry
IGFV-043 Recombinant Anti-CD19 x Anti-CD59 Bispecific Antibody (IgG-scFv) Human IgG-scFv CD19 Mouse CD59 Mouse Inquiry
IGFV-042 Recombinant Anti-CD19 x Anti-CD47 Bispecific Antibody (IgG-scFv) Human IgG-scFv CD19 Mouse CD47 Mouse Inquiry
IGFV-041 Recombinant Anti-CD19 x Anti-CD3 Bispecific Antibody (IgG-scFv) Human IgG-scFv CD19 Mouse CD3 Mouse Inquiry
IGFV-040 Recombinant Anti-CD19 x Anti-CD28 Bispecific Antibody (IgG-scFv) Human IgG-scFv CD19 Mouse CD28 Mouse Inquiry
IGFV-039 Recombinant Anti-CD19 x Anti-CD22 Bispecific Antibody (IgG-scFv) Human IgG-scFv CD19 Mouse CD22 Mouse Inquiry
BSDB-135 Recombinant Anti-CD89 x Anti-S. pneumoniae Bispecific Antibody (Diabody) Human Diabody CD89 Mouse S. pneumoniae Mouse Inquiry
BSDB-134 Recombinant Anti-CD89 x Anti-Malaria Antigen Bispecific Antibody (Diabody) Human Diabody CD89 Mouse Malaria Antigen Mouse Inquiry
BSDB-133 Recombinant Anti-CD89 x Anti-HIV-1 gp41 Bispecific Antibody (Diabody) Human Diabody CD89 Mouse HIV-1 gp41 Mouse Inquiry
BSDB-132 Recombinant Anti-CD89 x Anti-EGFR Bispecific Antibody (Diabody) Human Diabody CD89 Mouse EGFR Mouse Inquiry
BSDB-044 Recombinant Anti-CD19 x Anti-CD64 Bispecific Antibody (Diabody) Human Diabody CD19 Mouse CD64 Mouse Inquiry
BSDB-043 Recombinant Anti-CD19 x Anti-CD59 Bispecific Antibody (Diabody) Human Diabody CD19 Mouse CD59 Mouse Inquiry
BSDB-042 Recombinant Anti-CD19 x Anti-CD47 Bispecific Antibody (Diabody) Human Diabody CD19 Mouse CD47 Mouse Inquiry
BSDB-041 Recombinant Anti-CD19 x Anti-CD3 Bispecific Antibody (Diabody) Human Diabody CD19 Mouse CD3 Mouse Inquiry
BSDB-040 Recombinant Anti-CD19 x Anti-CD28 Bispecific Antibody (Diabody) Human Diabody CD19 Mouse CD28 Mouse Inquiry
BSDB-039 Recombinant Anti-CD19 x Anti-CD22 Bispecific Antibody (Diabody) Human Diabody CD19 Mouse CD22 Mouse Inquiry
BSFAB-135 Recombinant Anti-CD89 x Anti-S. pneumoniae Bispecific Antibody (Tandem Fab) Human Tandem Fab CD89 Mouse S. pneumoniae Mouse Inquiry
BSFAB-134 Recombinant Anti-CD89 x Anti-Malaria Antigen Bispecific Antibody (Tandem Fab) Human Tandem Fab CD89 Mouse Malaria Antigen Mouse Inquiry
BSFAB-133 Recombinant Anti-CD89 x Anti-HIV-1 gp41 Bispecific Antibody (Tandem Fab) Human Tandem Fab CD89 Mouse HIV-1 gp41 Mouse Inquiry
BSFAB-132 Recombinant Anti-CD89 x Anti-EGFR Bispecific Antibody (Tandem Fab) Human Tandem Fab CD89 Mouse EGFR Mouse Inquiry
BSFAB-044 Recombinant Anti-CD19 x Anti-CD64 Bispecific Antibody (Tandem Fab) Human Tandem Fab CD19 Mouse CD64 Mouse Inquiry
BSFAB-043 Recombinant Anti-CD19 x Anti-CD59 Bispecific Antibody (Tandem Fab) Human Tandem Fab CD19 Mouse CD59 Mouse Inquiry
BSFAB-042 Recombinant Anti-CD19 x Anti-CD47 Bispecific Antibody (Tandem Fab) Human Tandem Fab CD19 Mouse CD47 Mouse Inquiry
BSFAB-041 Recombinant Anti-CD19 x Anti-CD3 Bispecific Antibody (Tandem Fab) Human Tandem Fab CD19 Mouse CD3 Mouse Inquiry
BSFAB-040 Recombinant Anti-CD19 x Anti-CD28 Bispecific Antibody (Tandem Fab) Human Tandem Fab CD19 Mouse CD28 Mouse Inquiry
BSFAB-039 Recombinant Anti-CD19 x Anti-CD22 Bispecific Antibody (Tandem Fab) Human Tandem Fab CD19 Mouse CD22 Mouse Inquiry
BSFV-135 Recombinant Anti-CD89 x Anti-S. pneumoniae Bispecific Antibody (Tandem scFv) Human Tandem scFv CD89 Mouse S. pneumoniae Mouse Inquiry
BSFV-134 Recombinant Anti-CD89 x Anti-Malaria Antigen Bispecific Antibody (Tandem scFv) Human Tandem scFv CD89 Mouse Malaria Antigen Mouse Inquiry
BSFV-133 Recombinant Anti-CD89 x Anti-HIV-1 gp41 Bispecific Antibody (Tandem scFv) Human Tandem scFv CD89 Mouse HIV-1 gp41 Mouse Inquiry
BSFV-132 Recombinant Anti-CD89 x Anti-EGFR Bispecific Antibody (Tandem scFv) Human Tandem scFv CD89 Mouse EGFR Mouse Inquiry
BSFV-044 Recombinant Anti-CD19 x Anti-CD64 Bispecific Antibody (Tandem scFv) Human Tandem scFv CD19 Mouse CD64 Mouse Inquiry
BSFV-043 Recombinant Anti-CD19 x Anti-CD59 Bispecific Antibody (Tandem scFv) Human Tandem scFv CD19 Mouse CD59 Mouse Inquiry
BSFV-042 Recombinant Anti-CD19 x Anti-CD47 Bispecific Antibody (Tandem scFv) Human Tandem scFv CD19 Mouse CD47 Mouse Inquiry
BSFV-041 Recombinant Anti-CD19 x Anti-CD3 Bispecific Antibody (Tandem scFv) Human Tandem scFv CD19 Mouse CD3 Mouse Inquiry
BSFV-040 Recombinant Anti-CD19 x Anti-CD28 Bispecific Antibody (Tandem scFv) Human Tandem scFv CD19 Mouse CD28 Mouse Inquiry
BSFV-039 Recombinant Anti-CD19 x Anti-CD22 Bispecific Antibody (Tandem scFv) Human Tandem scFv CD19 Mouse CD22 Mouse Inquiry

Background

CD19 (cluster of differentiation 19) is a marker of B cells, playing a crucial role in B cell development and activation. Bispecific antibodies (BsAb) targeting CD19 can bind to CD19-expressing B cells and engage immune effector cells, such as T cells or natural killer cells, leading to the destruction of the targeted B cells. CD19-targeted BsAbs have shown promising results in the treatment of B-cell malignancies, including lymphomas and leukemias. CD89 (cluster of differentiation 89), also known as FcαRI, is a receptor present on the surface of immune cells like macrophages and neutrophils. By targeting CD89, BsAb can redirect immune cells to tumor cells expressing CD89, enhancing the immune response against the tumor. CD89-targeted BsAbs have the potential to treat solid tumors and infectious diseases. Therefore, BsAbs targeting CD19/CD89 are considered promising targets in the field of immunotherapy which can engage both B cells and immune effector cells, triggering a robust immune response against B-cell malignancies.

CD19 and CD89 structures (Teplyakov, et al., 2018; Herr, Edward and Pamela, 2003) Fig.1 Structures of CD19 and CD89.1,2

References

  1. Teplyakov, Alexey, et al. "Crystal structure of B‐cell co‐receptor CD19 in complex with antibody B43 reveals an unexpected fold." Proteins: Structure, Function, and Bioinformatics 86.5 (2018): 495-500.
  2. Herr, Andrew B., Edward R. Ballister, and Pamela J. Bjorkman. "Insights into IgA-mediated immune responses from the crystal structures of human FcαRI and its complex with IgA1-Fc." Nature 423.6940 (2003): 614-620.
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