X-ray diffraction
2.82Å resolution

Crystal structure of Tav2b/siRNA complex

Source organism: Tomato aspermy virus

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned
Sequence domain:

Structure analysis Details

Assemblies composition:
hetero tetramer (preferred)
hetero octamer
Entry contents:
1 distinct polypeptide molecule
1 distinct RNA molecule
Macromolecules (2 distinct):
Suppressor of silencing 2b Chains: A, B
Molecule details ›
Chains: A, B
Length: 75 amino acids
Theoretical weight: 9.14 KDa
Source organism: Tomato aspermy virus
Expression system: Escherichia coli BL21(DE3)
  • Canonical: Q8UYT3 (Residues: 1-69; Coverage: 73%)
Gene name: ORF2b
Structure domains: Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Molecule details ›
Chains: C, D
Length: 21 nucleotides
Theoretical weight: 6.65 KDa
Source organism: Tomato aspermy virus
Expression system: Not provided

Ligands and Environments

No bound ligands
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X12C
Spacegroup: P21212
Unit cell:
a: 86.455Å b: 122.043Å c: 28.193Å
α: 90° β: 90° γ: 90°
R R work R free
0.216 0.214 0.276
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided