Welcome to the Single Domain Antibody Database

Browse by primary target antigen

Browse entries based on the target antigen with highest binding affinity

adenosine A2A receptor (A2AR) Adiponectin aflatoxin B1 (AFB1) African trypanosome variant surface glycoprotein (VSG) AnTat 1.1 Alzheimer's patient brain extract Androctonus australis hector (scorpion) venom (AahII) anti-Cry1Ab mAbs Apolipoprotein E (ApoE) arenavirus Junin (JUNV) B-lactamase Bacillus anthracis Protective Antigen Domain 4 (PAD4) Bacillus thuringiensis Cry1Ac toxin Bacillus thuringiensis Cry1B toxin Bacillus thuringiensis Cry1Fa toxin BcII (b-lactamase) Bordetella pertussis CyaA-Hemolysin (CyaA-Hly) botulinum neurotoxin (BoNT) serotype A botulinum neurotoxin (BoNT) serotype B botulinum neurotoxin (BoNT) serotype C botulinum neurotoxin (BoNT) serotype D botulinum neurotoxin (BoNT) serotype E botulinum neurotoxin (BoNT) serotype F botulinum neurotoxin (BoNT) serotype G Botulinum neurotoxin A1 (BoNT/A1) bovine viral diarrhea virus (BVDV) E2 protein Caffeine Campylobacter jejuni strain KC40 Campylobacter jejuni strain KC40 major outer membrane protein (MOMP) Clostridium difficile toxin A (TcdA) Crotalus durissus terrificus crotoxin E. coli FKBP-type peptidyl-prolyl cis-trans isomerase (SlyD) E. coli maltose/maltodextrin-binding periplasmic protein (MBP) E. coli Shiga toxin Stx2aB E. coli Shiga toxin Stx2e E. coli Vitamin B12-binding protein BtuF Ebola virus envelope glycoprotein (EBOV GP) EPEA amino acid sequence epidermal growth factor receptor (EGFR) gelsolin glial fibrillary acidic protein (GFAP) Granulocyte colony-stimulating factor receptor (G-CSF-R) green fluorescent protein (GFP) Helicobacter pylori outer membrane protein BabA Heliobacter pylori UreC subunit of urease enzyme HIV-1 integrase human CD19 human cytotoxic T-lymphocyte antigen-4 (CTLA-4) human dipeptidyl-peptidase 6 (DPP6) Human epidermal growth factor receptor (HER1/EGFR) human epidermal growth factor receptor 2 (HER2) human exportin 4 (Xpo4) human exportin 7 (Xpo7) Human norovirus capsid protein GII.10 P domain Human norovirus capsid protein GII.4 P domain human placental growth factor (PGIF) human procalcitonin (PCT) Human programmed death-ligand 1 (PD-L1) human prostate-specific antigen (hPSA) human pulmonary surfactant protein A (SP-A) human TNF receptor (hTNFR1) HUVEC-binding domain (human umbilical vein endothelial cells) of OspA (outer surface protein A) of Borrelia influenza A virus nucleoprotein (NP) Lens Epithelium-Derived Growth Factor (LEDGF) integrase-binding domain (IBD) LIM domain only 2?(LMO2) lysozyme mCherry melanophilin microcystin-LR (MC-LR) Middle East respiratory syndrome coronavirus (MERS-CoV) spike protein mitochondrial translation elongation factor (TUFM) Mouse programmed death-ligand 1 (PD-L1) N-terminal domain of ATP7B (N-ATP7B) Pancreatic secretory zymogen-granule membrane glycoprotein 2 (GP2) paraflagellar rod protein (PFR1) of Trypanosoma evansi, T. brucei, T. congolense, T. vivax Plasmodium falciparum myosin tail interacting protein (MTIP) domain 3 Plasmodium falciparum VAR2CSA Porcine epidemic diarrhea virus (PEDV) membrane (M) protein porcine reproductive and respiratory syndrome virus (PRRSV) non-structural protein 4 (Nsp4) RAC-alpha serine/threonine-protein kinase pleckstrin homology domain (Akt1PH) RAC-alpha serine/threonine-protein kinase pleckstrin homology domain (Akt1PH) E17K mutation RAC-gamma serine/threonine-protein kinase kinase pleckstrin homology domain (Akt3PH) Ras Receptor tyrosine-protein kinase erbB-2 (HER2) recombinant PasB domain (rPasB) ricin catalytic subunit A (RTA) Ricin toxin A chain?(RTA) RNase A serine protease urokinase-type plasminogen activator Shigella flexneri invasion plasmid antigen D (IpaD) Sorghum bicolor multidrug and toxic compound extrusion (sbMATE) Staphylococcal enterotoxin B (SEB) Sulfolobus solfataricus leucine-responsive regulatory protein B (Ss-lrpB) Superfolder green fluorescent protein (sfGFP) survivin testosterone tetanus toxin fragment C (TetC) tetrabromobisphenol-A (TBBPA) Triclocarban (TCC) TRIM28 Trypanosoma vivax nucleoside hydrolase Tumor protein p53 N-terminal transcription-activation domain Tumor protein p53 nuclear localization signaling (NLS) domain Vascular endothelial growth factor (VEGF) receptor VEGFR-2 domain3 (VEGFR D3) Vesicular glutamate transporter (VGLUT) vimentin Xenopus embryo cytoplasm and cortex Xenopus embryo yolk granules Xenopus EP45/Seryp (serine protease inhibitor) Xenopus nucleoporin 98kDa (Nup98)