1rpu

X-ray diffraction
2.5Å resolution

Crystal Structure of CIRV p19 bound to siRNA

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-179243 (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct RNA molecule
Macromolecules (2 distinct):
RNA silencing suppressor p19 Chains: A, B
Molecule details ›
Chains: A, B
Length: 172 amino acids
Theoretical weight: 19.36 KDa
Source organism: Carnation Italian ringspot virus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q66104 (Residues: 1-172; Coverage: 100%)
Gene name: ORF4
Sequence domains: Tombusvirus P19 core protein
Structure domains: RNA silencing suppressor P19
5'-R(P*CP*GP*UP*AP*CP*GP*CP*GP*UP*CP*AP*CP*GP*CP*GP*UP*AP*CP*GP*UP*U)-3' Chains: C, D
Molecule details ›
Chains: C, D
Length: 21 nucleotides
Theoretical weight: 6.68 KDa
Source organism: Carnation Italian ringspot virus
Expression system: Not provided

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 22-ID
Spacegroup: P6122
Unit cell:
a: 115.4Å b: 115.4Å c: 128.2Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.24 0.224 0.289
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided