General Information of Protein Scaffold of SBP (PSS) (ID: PS031)
PSS Name
Diabody
Synonyms
Dimeric antibody fragments
Diagrammatic Sketch
Highest Status Phase I
Class Antibody fragment
Fold Type Beta-Sheets + Loops
Thermal Denaturation TEMP 25-55℃
Sequence Length 203-251; 492-504
Molecular Weight 21-60 kDa
Parental Protein of This PSS
Parental Protein Name Synonym PDB ID UniProt ID Origin
Antibody N.A. N.A. N.A. Human; Escherichia coli; Mouse; Synthetic construct
Synthetic Binding Protein (SBP) Featuring this PSS
SBP Name Highest Status Template Expression System Selection Method Details Ref
Diabody PEG-AVP0458 Phase I Antibody CC49 Escherichia coli N.A.
SBP Info
[1]
Diabody anti-c-Met/PD-1 Diabody-mp Research N.A. HEK293E cells N.A.
SBP Info
[2]
Diabody anti-c-Met/PD-1 Diabody-pm Research N.A. HEK293E cells N.A.
SBP Info
[2]
Diabody anti-HEWL (VHD1.3-VLD1.3)2 Research Monoclonal antibody D1.3 Escherichia coli TG1 Phage display
SBP Info
[3]
Diabody anti-Phenyloxazolone (VHNQ11-VLNQ11)2 Research Monoclonal antibody NQ11.7.22 (NQ11) Escherichia coli TG1 Phage display
SBP Info
[3]
Diabody scDb-hERG1-beta1 Research two single-chain Fragment variable (scFv) antibodies, one directed against hERG1 (scFv-hERG1from mAb-hERG1) and one against the beta1 integrin Pichia pastoris N.A.
SBP Info
[4]
Diabody anti-CEA T84.66 Research Antibody T84.66 Mammalian cells N.A.
SBP Info
[5], [6]
Diabody anti-FGFR2 scFvF7 Research N.A. Escherichia coli HB2151 Phage display
SBP Info
[7]
Diabody anti-MBP 4922 Research Diabody (PDBID 1LMK) High Five insect cells N.A.
SBP Info
[8]
Diabody anti-MBP 6683 Research Diabody (PDBID 1LMK) High Five insect cells N.A.
SBP Info
[8]
Diabody anti-PSMA cys-clone Research Monoclonal antibody J591 Expi293F?human cells N.A.
SBP Info
[9]
Diabody anti-TAG-72 AVP04-07 Research CC49 antibody Escherichia coli BL21 (DE3) N.A.
SBP Info
[10]
Diabody anti-VEGF x anti-PD-1 Research Human VEGF165 mAb and Nivolumab Pichia pastoris GS115 N.A.
SBP Info
[11], [12]
Diabody anti-CD20 cys-clone Research Obinutuzumab N.A. N.A.
SBP Info
[13], [14]
Diabody anti-CD40/ERBB2 Research N.A. Escherichia coli Rosetta (DE3) N.A.
SBP Info
[15]
Diabody anti-CD47 Hu5F9-G4 Research Hu5F9-G4 N.A. N.A.
SBP Info
[16]
Diabody anti-CD99 C7 Research N.A. Escherichia coli N.A.
SBP Info
[17]
Diabody anti-ERBB1/CD16 hEx16-3G/5 Research N.A. Escherichia coli; Brevibacillus choshinensis N.A.
SBP Info
[18]
Diabody anti-ERBB1/CD16 hEx16-5/3G Research N.A. Escherichia coli; Brevibacillus choshinensis N.A.
SBP Info
[18]
Diabody anti-ERBB1/CD16 hEx16-HL Research N.A. Escherichia coli; Brevibacillus choshinensis N.A.
SBP Info
[18]
Diabody anti-ERBB1/CD16 hEx16-LH Research N.A. Escherichia coli; Brevibacillus choshinensis N.A.
SBP Info
[18]
Diabody anti-ERBB1/CD3 hEx3 Research N.A. Escherichia coli BL21 (DE3) N.A.
SBP Info
[19], [20]
Diabody anti-FGF2 Research N.A. N.A. Phage display
SBP Info
[21], [22], [23]
Diabody anti-CD4 GK1.5 Research N.A. N.A. N.A.
SBP Info
[24]
Diabody anti-CEA x anti-CD3 Research N.A. N.A. N.A.
SBP Info
[25]
Diabody anti-EpoR clone 330 Research N.A. N.A. N.A.
SBP Info
[26]
Diabody anti-EpoR DA10 Research N.A. N.A. N.A.
SBP Info
[26]
Diabody anti-EpoR DA5 Research N.A. N.A. N.A.
SBP Info
[26]
Diabody anti-PLC-delta-1 L5MK16 Research N.A. N.A. N.A.
SBP Info
[27]
Diabody anti-PSCA A2 Research N.A. N.A. N.A.
SBP Info
[28], [29]
Diabody anti-RVGp D06 Research N.A. N.A. N.A.
SBP Info
[30]
References
1 First clinical study of a pegylated diabody 124 I-labeled PEG-AVP0458 in patients with tumor-associated glycoprotein 72 positive cancers. Theranostics. 2020 Sep 15;10(25):11404-11415.
2 Development of bispecific anti-c-Met/PD-1 diabodies for the treatment of solid tumors and the effect of c-Met binding affinity on efficacy. Oncoimmunology. 2021 Jul 21;10(1):1914954.
3 "Diabodies": small bivalent and bispecific antibody fragments. Proc Natl Acad Sci U S A. 1993 Jul 15;90(14):6444-8.
4 Harnessing the hERG1/1 Integrin Complex via a Novel Bispecific Single-chain Antibody: An Effective Strategy against Solid Cancers. Mol Cancer Ther. 2021 Aug;20(8):1338-1349.
5 Mammalian expression and hollow fiber bioreactor production of recombinant anti-CEA diabody and minibody for clinical applications. J Immunol Methods. 2001 Jul 1;253(1-2):195-208.
6 The crystal structure of an anti-CEA scFv diabody assembled from T84.66 scFvs in V(L)-to-V(H) orientation: implications for diabody flexibility. J Mol Biol. 2003 Feb 14;326(2):341-51.
7 Generation of high-affinity, internalizing anti-FGFR2 single-chain variable antibody fragment fused with Fc for targeting gastrointestinal cancers. PLoS One. 2018 Feb 8;13(2):e0192194.
8 Crystal structures of mono- and bi-specific diabodies and reduction of their structural flexibility by introduction of disulfide bridges at the Fv interface. Sci Rep. 2016 Sep 29;6:34515.
9 Synthesis, Positron Emission Tomography Imaging, and Therapy of Diabody Targeted Drug Lipid Nanoparticles in a Prostate Cancer Murine Model. Cancer Biother Radiopharm. 2017 Sep;32(7):247-257.
10 Monodispersed DOTA-PEG-conjugated anti-TAG-72 diabody has low kidney uptake and high tumor-to-blood ratios resulting in improved 64Cu PET. J Nucl Med. 2010 Jul;51(7):1139-46.
11 Optimized Expression and Characterization of a Novel Fully Human Bispecific Single-Chain Diabody Targeting Vascular Endothelial Growth Factor165 and Programmed Death-1 in Pichia pastoris and Evaluation of Antitumor Activity In Vivo. Int J Mol Sci. 2018 Sep 25;19(10):2900.
12 Isolation and characterization of human anti-VEGF165 monoclonal antibody with anti-tumor efficacy from transgenic mice expressing human immunoglobulin loci. Cancer Lett. 2009 Jan 8;273(1):28-34.
13 18 F-labeled anti-human CD20 cys-diabody for same-day immunoPET in a model of aggressive B cell lymphoma in human CD20 transgenic mice. Eur J Nucl Med Mol Imaging. 2019 Feb;46(2):489-500.
14 ImmunoPET of Malignant and Normal B Cells with 89 Zr- and 124 I-Labeled Obinutuzumab Antibody Fragments Reveals Differential CD20 Internalization In Vivo. Clin Cancer Res. 2017 Dec 1;23(23):7242-7252.
15 A tetravalent single chain diabody (CD40/HER2) efficiently inhibits tumor proliferation through recruitment of T cells and anti-HER2 functions. Mol Immunol. 2019 May;109:149-156.
16 CD47-blocking immunotherapies stimulate macrophage-mediated destruction of small-cell lung cancer. J Clin Invest. 2016 Jul 1;126(7):2610-20.
17 Process development of a human recombinant diabody expressed in E. coli: engagement of CD99-induced apoptosis for target therapy in Ewing's sarcoma. Appl Microbiol Biotechnol. 2016 May;100(9):3949-63.
18 Functional Domain Order of an Anti-EGFR G Anti-CD16 Bispecific Diabody Involving NK Cell Activation. Int J Mol Sci. 2020 Nov 24;21(23):8914.
19 Humanization of the bispecific epidermal growth factor receptor x CD3 diabody and its efficacy as a potential clinical reagent. Clin Cancer Res. 2006 Jul 1;12(13):4036-42.
20 Domain order of a bispecific diabody dramatically enhances its antitumor activity beyond structural format conversion: the case of the hEx3 diabody. Protein Eng Des Sel. 2013 May;26(5):359-67.
21 Fine epitope mapping of a human disulphide-stabilized diabody against fibroblast growth factor-2. J Biochem. 2019 Jun 1;165(6):487-495.
22 Inhibition activity of a disulfide-stabilized diabody against basic fibroblast growth factor in lung cancer. Oncotarget. 2017 Mar 21;8(12):20187-20197.
23 Construction of a disulfide-stabilized diabody against fibroblast growth factor-2 and the inhibition activity in targeting breast cancer. Cancer Sci. 2016 Aug;107(8):1141-50.
24 ImmunoPET Imaging of Murine CD4 + T Cells Using Anti-CD4 Cys-Diabody: Effects of Protein Dose on T Cell Function and Imaging. Mol Imaging Biol. 2017 Aug;19(4):599-609.
25 Balanced secretion of anti-CEA G anti-CD3 diabody chains using the 2A self-cleaving peptide maximizes diabody assembly and tumor-specific cytotoxicity. Gene Ther. 2017 Apr;24(4):208-214.
26 Tuning cytokine receptor signaling by re-orienting dimer geometry with surrogate ligands. Cell. 2015 Mar 12;160(6):1196-208.
27 Crystal structure of a diabody, a bivalent antibody fragment. Structure. 1994 Dec 15;2(12):1217-26.
28 Fluorescent Image-Guided Surgery with an Anti-Prostate Stem Cell Antigen (PSCA) Diabody Enables Targeted Resection of Mouse Prostate Cancer Xenografts in Real Time. Clin Cancer Res. 2016 Mar 15;22(6):1403-12.
29 A Dual-Modality Linker Enables Site-Specific Conjugation of Antibody Fragments for 18 F-Immuno-PET and Fluorescence Imaging. J Nucl Med. 2019 Oct;60(10):1467-1473.
30 A novel in vitro ELISA for estimation of glycoprotein content in human rabies vaccines. J Immunoassay Immunochem. 2017;38(4):400-410.