X-ray diffraction
1.95Å resolution

X-ray Crystallographic Structure of Orf9b from SARS-CoV-2

Entry authors: Weeks SD, De Graef S, Munawar A

Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
ORF9b protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 97 amino acids
Theoretical weight: 10.81 KDa
Source organism: Severe acute respiratory syndrome coronavirus 2
Expression system: Escherichia coli
  • Canonical: P0DTD2 (Residues: 1-97; Coverage: 100%)
Gene name: 9b
Sequence domains: Betacoronavirus lipid binding protein

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS-II BEAMLINE 17-ID-2
Spacegroup: P212121
Unit cell:
a: 36.03Å b: 64.571Å c: 73.536Å
α: 90° β: 90° γ: 90°
R R work R free
0.219 0.218 0.257
Expression system: Escherichia coli