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Fab-IgG

Fab-IgG (also tandem Fab-Fc in the construct) is a format of appended IgGs, the IgG scaffold with Fab fragment in the N terminus. In some conditions, scFv misfolding can cause the non-function. Fab-IgG only contains Fab antigen-binding fragment, so there is no such problem respect to scFv. Meanwhile, less artificial construct and sequence design makes it easier to express. In Fab-IgG, standard Fab and Fc domains are used, with no mutations, which can maintain the function and natural characteristics of conventional IgGs. Fab-IgGs are symmetric bispecific and tetravalent molecules, 2+2 antigen-binding valency.

In addition to high-quality pre-made Fab-IgG products, we also provide Fab-IgG BsAb Generation Service for customization requirement.

CAT# Product Name Species Reactivity BsAb Type Target 1 Target 2 INQUIRY
FABIG-100 Recombinant Anti-CD3 x Anti-PSA Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 PSA Inquiry
FABIG-099 Recombinant Anti-CD3 x Anti-PLAP Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 PLAP Inquiry
FABIG-098 Recombinant Anti-CD3 x Anti-PD1 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 PD1 Inquiry
FABIG-097 Recombinant Anti-CD3 x Anti-p97 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 p97 Inquiry
FABIG-096 Recombinant Anti-CD3 x Anti-P cadherin Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 P cadherin Inquiry
FABIG-095 Recombinant Anti-CD3 x Anti-MUC1 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 MUC1 Inquiry
FABIG-094 Recombinant Anti-CD3 x Anti-CSPG4 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 CSPG4 Inquiry
FABIG-093 Recombinant Anti-CD3 x Anti-IL2R Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 IL2R Inquiry
FABIG-092 Recombinant Anti-CD3 x Anti-IGF1R Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 IGF1R Inquiry
FABIG-091 Recombinant Anti-CD3 x Anti-HN Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 HN Inquiry
FABIG-090 Recombinant Anti-CD3 x Anti-HER2 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 HER2 Inquiry
FABIG-089 Recombinant Anti-CD3 x Anti-HBVgp3 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 HBVgp3 Inquiry
FABIG-088 Recombinant Anti-CD3 x Anti-GPNMB Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 GPNMB Inquiry
FABIG-087 Recombinant Anti-CD3 x Anti-GPC3 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 GPC3 Inquiry
FABIG-086 Recombinant Anti-CD3 x Anti-gpA33 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 gpA33 Inquiry
FABIG-085 Recombinant Anti-CD3 x Anti-HIV-1 gp41 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 HIV-1 gp41 Inquiry
FABIG-084 Recombinant Anti-CD3 x Anti-HIV-1 gp120 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 HIV-1 gp120 Inquiry
FABIG-083 Recombinant Anti-CD3 x Anti-GD2 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 GD2 Inquiry
FABIG-082 Recombinant Anti-CD3 x Anti-FOLR1 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 FOLR1 Inquiry
FABIG-081 Recombinant Anti-CD3 x Anti-FcRH5 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 FcRH5 Inquiry
FABIG-080 Recombinant Anti-CD3 x Anti-FAP Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 FAP Inquiry
FABIG-079 Recombinant Anti-CD3 x Anti-EPCAM Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 EPCAM Inquiry
FABIG-078 Recombinant Anti-CD3 x Anti-CD248 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 CD248 Inquiry
FABIG-077 Recombinant Anti-CD3 x Anti-EGFR Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 EGFR Inquiry
FABIG-076 Recombinant Anti-CD3 x Anti-DLL3 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 DLL3 Inquiry
FABIG-075 Recombinant Anti-CD3 x Anti-CXCR5 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 CXCR5 Inquiry
FABIG-074 Recombinant Anti-CD3 x Anti-MET Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 MET Inquiry
FABIG-073 Recombinant Anti-CD3 x Anti-CLEC12A Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 CLEC12A Inquiry
FABIG-072 Recombinant Anti-CD3 x Anti-CEA Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 CEA Inquiry
FABIG-071 Recombinant Anti-CD3 x Anti-CD8 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 CD8 Inquiry
FABIG-070 Recombinant Anti-CD3 x Anti-CD79B Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 CD79B Inquiry
FABIG-069 Recombinant Anti-CD3 x Anti-CD74 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 CD74 Inquiry
FABIG-068 Recombinant Anti-CD3 x Anti-CD44 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 CD44 Inquiry
FABIG-067 Recombinant Anti-CD3 x Anti-CD4 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 CD4 Inquiry
FABIG-066 Recombinant Anti-CD3 x Anti-CD33 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 CD33 Inquiry
FABIG-065 Recombinant Anti-CD3 x Anti-CD30 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 CD30 Inquiry
FABIG-064 Recombinant Anti-CD3 x Anti-B7H3 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD3 B7H3 Inquiry
FABIG-063 Recombinant Anti-CD28 x Anti-CSPG4 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD28 CSPG4 Inquiry
FABIG-062 Recombinant Anti-CD28 x Anti-MUC1 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD28 MUC1 Inquiry
FABIG-061 Recombinant Anti-CD28 x Anti-HN Bispecific Antibody (Fab-IgG) Human Fab-IgG CD28 HN Inquiry
FABIG-060 Recombinant Anti-CD28 x Anti-FOLR1 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD28 FOLR1 Inquiry
FABIG-059 Recombinant Anti-CD28 x Anti-EPCAM Bispecific Antibody (Fab-IgG) Human Fab-IgG CD28 EPCAM Inquiry
FABIG-058 Recombinant Anti-CD28 x Anti-EGFR Bispecific Antibody (Fab-IgG) Human Fab-IgG CD28 EGFR Inquiry
FABIG-057 Recombinant Anti-CD28 x Anti-CD44 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD28 CD44 Inquiry
FABIG-056 Recombinant Anti-CD28 x Anti-CD40 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD28 CD40 Inquiry
FABIG-055 Recombinant Anti-CD28 x Anti-CD30 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD28 CD30 Inquiry
FABIG-054 Recombinant Anti-CD28 x Anti-CD3 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD28 CD3 Inquiry
FABIG-053 Recombinant Anti-CD22 x Anti-saporin Bispecific Antibody (Fab-IgG) Human Fab-IgG CD22 saporin Inquiry
FABIG-052 Recombinant Anti-CD20 x Anti-CD47 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD20 CD47 Inquiry
FABIG-051 Recombinant Anti-CD20 x Anti-CD3 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD20 CD3 Inquiry
FABIG-050 Recombinant Anti-CD20 x Anti-CD28 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD20 CD28 Inquiry
FABIG-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD20 CD22 Inquiry
FABIG-048 Recombinant Anti-CD2 x Anti-TCR (Vβ8) Bispecific Antibody (Fab-IgG) Mouse Fab-IgG CD2 TCR (Vβ8) Inquiry
FABIG-047 Recombinant Anti-CD2 x Anti-MUC1 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD2 MUC1 Inquiry
FABIG-046 Recombinant Anti-CD2 x Anti-EGFR Bispecific Antibody (Fab-IgG) Human Fab-IgG CD2 EGFR Inquiry
FABIG-045 Recombinant Anti-CD19 x Anti-CD89 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD19 CD89 Inquiry
FABIG-044 Recombinant Anti-CD19 x Anti-CD64 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD19 CD64 Inquiry
FABIG-043 Recombinant Anti-CD19 x Anti-CD59 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD19 CD59 Inquiry
FABIG-042 Recombinant Anti-CD19 x Anti-CD47 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD19 CD47 Inquiry
FABIG-041 Recombinant Anti-CD19 x Anti-CD3 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD19 CD3 Inquiry
FABIG-040 Recombinant Anti-CD19 x Anti-CD28 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD19 CD28 Inquiry
FABIG-039 Recombinant Anti-CD19 x Anti-CD22 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD19 CD22 Inquiry
FABIG-038 Recombinant Anti-CD16 x Anti-HER2 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD16 HER2 Inquiry
FABIG-037 Recombinant Anti-CD16 x Anti-GD2 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD16 GD2 Inquiry
FABIG-036 Recombinant Anti-CD16 x Anti-EGFR Bispecific Antibody (Fab-IgG) Human Fab-IgG CD16 EGFR Inquiry
FABIG-035 Recombinant Anti-CD16 x Anti-CD32B Bispecific Antibody (Fab-IgG) Human Fab-IgG CD16 CD32B Inquiry
FABIG-034 Recombinant Anti-CD16 x Anti-CD30 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD16 CD30 Inquiry
FABIG-033 Recombinant Anti-CD15 x Anti-DENV Bispecific Antibody (Fab-IgG) Human Fab-IgG CD15 DENV Inquiry
FABIG-032 Recombinant Anti-CD15 x Anti-CD64 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD15 CD64 Inquiry
FABIG-031 Recombinant Anti-CD133 x Anti-EGFR Bispecific Antibody (Fab-IgG) Human Fab-IgG CD133 EGFR Inquiry
FABIG-030 Recombinant Anti-CD123 x Anti-CD3 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD123 CD3 Inquiry
FABIG-029 Recombinant Anti-CCR5 x Anti-CD3 Bispecific Antibody (Fab-IgG) Human Fab-IgG CCR5 CD3 Inquiry
FABIG-028 Recombinant Anti-CCR3 x Anti-CD300 Bispecific Antibody (Fab-IgG) Human Fab-IgG CCR3 CD300 Inquiry
FABIG-027 Recombinant Anti-CA72-4 x Anti-CD3 Bispecific Antibody (Fab-IgG) Human Fab-IgG CA72-4 CD3 Inquiry
FABIG-026 Recombinant Anti-CA19-9 x Anti-CD3 Bispecific Antibody (Fab-IgG) Human Fab-IgG CA19-9 CD3 Inquiry
FABIG-025 Recombinant Anti-CA125 x Anti-HER2 Bispecific Antibody (Fab-IgG) Human Fab-IgG CA125 HER2 Inquiry
FABIG-024 Recombinant Anti-C5 x Anti-HRP Bispecific Antibody (Fab-IgG) Human Fab-IgG C5 HRP Inquiry
FABIG-023 Recombinant Anti-C. albicans x Anti-CD64 Bispecific Antibody (Fab-IgG) Human Fab-IgG C. albicans CD64 Inquiry
FABIG-022 Recombinant Anti-biotin x Anti-HRP Bispecific Antibody (Fab-IgG) Fab-IgG biotin HRP Inquiry
FABIG-021 Recombinant Anti-BCMA x Anti-TACI Bispecific Antibody (Fab-IgG) Human Fab-IgG BCMA TACI Inquiry
FABIG-020 Recombinant Anti-BCMA x Anti-CD3 Bispecific Antibody (Fab-IgG) Human Fab-IgG BCMA CD3 Inquiry
FABIG-019 Recombinant Anti-BAFF x Anti-IL17 Bispecific Antibody (Fab-IgG) Human Fab-IgG BAFF IL17 Inquiry
FABIG-018 Recombinant Anti-BAFF x Anti-B7RP1 Bispecific Antibody (Fab-IgG) Human Fab-IgG BAFF B7RP1 Inquiry
FABIG-017 Recombinant Anti-B7H6 x Anti-CD3 Bispecific Antibody (Fab-IgG) Human Fab-IgG B7H6 CD3 Inquiry
FABIG-016 Recombinant Anti-B cell lymphoma BCL1 Idiotype x Anti-CD3 Bispecific Antibody (Fab-IgG) Mouse Fab-IgG B cell lymphoma BCL1 Idiotype CD3 Inquiry
FABIG-015 Recombinant Anti-B cell lymphoma A20-HL Idiotype x Anti-CD3 Bispecific Antibody (Fab-IgG) Mouse Fab-IgG B cell lymphoma A20-HL Idiotype CD3 Inquiry
FABIG-014 Recombinant Anti-B cell lymphoma 38C13 Idiotype x Anti-LFA-1 Bispecific Antibody (Fab-IgG) Mouse Fab-IgG B cell lymphoma 38C13 Idiotype LFA-1 Inquiry
FABIG-013 Recombinant Anti-B cell lymphoma 38C13 Idiotype x Anti-CD44 Bispecific Antibody (Fab-IgG) Mouse Fab-IgG B cell lymphoma 38C13 Idiotype CD44 Inquiry
FABIG-012 Recombinant Anti-AR x Anti-DNA Bispecific Antibody (Fab-IgG) Human Fab-IgG AR DNA Inquiry
FABIG-011 Recombinant Anti-AP (alkaline phosphatase) x Anti-LPA Bispecific Antibody (Fab-IgG) Human Fab-IgG AP (alkaline phosphatase) LPA Inquiry
FABIG-010 Recombinant Anti-AP (alkaline phosphatase) x Anti-CEA Bispecific Antibody (Fab-IgG) Human Fab-IgG AP (alkaline phosphatase) CEA Inquiry
FABIG-009 Recombinant Anti-AP (alkaline phosphatase) x Anti-7-OHC (7-hydroxycoumarin) Bispecific Antibody (Fab-IgG) Human Fab-IgG AP (alkaline phosphatase) 7-OHC (7-hydroxycoumarin) Inquiry
FABIG-008 Recombinant Anti-Ang2 x Anti-VEGFA Bispecific Antibody (Fab-IgG) Human Fab-IgG Ang2 VEGFA Inquiry
FABIG-007 Recombinant Anti-albumin x Anti-TNF Bispecific Antibody (Fab-IgG) Human Fab-IgG albumin TNF Inquiry
FABIG-006 Recombinant Anti-albumin x Anti-IL-6R Bispecific Antibody (Fab-IgG) Human Fab-IgG albumin IL-6R Inquiry
FABIG-005 Recombinant Anti-Ad fiber knob x Anti-ITGAV Bispecific Antibody (Fab-IgG) Human Fab-IgG Ad fiber knob ITGAV Inquiry
FABIG-004 Recombinant Anti-Ad fiber knob x Anti-EPCAM Bispecific Antibody (Fab-IgG) Human Fab-IgG Ad fiber knob EPCAM Inquiry
FABIG-003 Recombinant Anti-Ad fiber knob x Anti-CEA Bispecific Antibody (Fab-IgG) Human Fab-IgG Ad fiber knob CEA Inquiry
FABIG-002 Recombinant Anti-Ad fiber knob x Anti-CD40 Bispecific Antibody (Fab-IgG) Human Fab-IgG Ad fiber knob CD40 Inquiry
FABIG-001 Recombinant Anti-B cell lymphoma BCL1 Idiotype x Anti-CD64 Bispecific Antibody (Fab-IgG) Mouse Fab-IgG B cell lymphoma BCL1 Idiotype CD64 Inquiry

Background

Our products and services are for research use only, and not for use in diagnostic or therapeutic procedures.

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