General Information of Synthetic Binding Protein (SBP) (ID: SBP003604)
SBP Name
Nanobody anti-SARS-CoV-2 C5G2
Synonyms
Nanobody C5G2
Molecular Weight 13.4 kDa
Design Method Traditional methods (Site-directed mutagenesis and/or Directed evolution)
Selection Method Phage display
Highest Status Research
PDB ID 7XRP
Sequence Length 125
SBP Sequence
>Nanobody anti-SARS-CoV-2 C5G2
DVQLVESGGGSVQAGGSLRLSCAASCKFSHLVFLGWFRQAPGKEREGVAAGLGAYESGYY
ADSVKGRFTVSLDNAENTVYLQMNSLKPEDTALYYCAALVVLSRDNTEFIAHNYWGQGTQ
VTVSS
3D Structure
Experimentally Validated Structure
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Template Name natural nanobody (PDBID 1ZVH)
Template Sequence Description residues 27 to 33 of complementarity-determining region 1 (CDR1), 51 to 58 of CDR2 and 99 to 112 of CDR3 were randomized simultaneously
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 [ICD-11: XN109] Kd: 1.62 nM Qingdao University [1]
References
1 A potent synthetic nanobody with broad-spectrum activity neutralizes SARS-CoV-2 virus and the Omicron variant BA.1 through a unique binding mode. J Nanobiotechnology. 2022 Sep 15;20(1):411.