General Information of Synthetic Binding Protein (SBP) (ID: SBP003466)
SBP Name
Nanobody anti-SARS-CoV-2 clone 31
Synonyms
sybody 31; SR31
Molecular Weight 14.6 kDa
Design Method Traditional methods (Site-directed mutagenesis and/or Directed evolution)
Expression System Escherichia coli MC1061
Selection Method Ribosome display
Highest Status Research
PDB ID 7D30; 7D2Z
Sequence Length 134
SBP Sequence
>Nanobody anti-SARS-CoV-2 clone 31
QVQLVESGGGLVQAGGSLRLSCAASGFPVWQGEMAWYRQAPGKEREWVAAISSMGYKTYY
ADSVKGRFTISRDNAKNTVYLQMNSLKPEDTAVYYCAVMVGFWYAGQGTQVTVSAGRAGE
QKLISEEDLNSAVD
3D Structure
Experimentally Validated Structure
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Protein Scaffold Information of This SBP
Scaffold ID PS048
Scaffold Info
[1]
Scaffold Name Nanobody
Scaffold Class Antibody fragment
Fold Type Beta-Sheets + Loops
Binding Target(s) of This SBP (BTS)
BTS Name Details Mechanism Application Affinity Research Organization Ref
Spike glycoprotein
BTS Info
Neutralizer SARS-CoV-2 infection (COVID-19) [ICD-11: XN109] Kd: 5.6 nM Shanghai Chinese Academy of Sciences [1]
References
1 A high-affinity RBD-targeting nanobody improves fusion partner's potency against SARS-CoV-2. PLoS Pathog. 2021 Mar 3;17(3):e1009328.