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Crystal structure of p19 in complex with double-helical RNA 19mer p(CAG)3C(CCG)3

X-ray diffraction
2.15Å resolution
PDB entry 4j5v coloured by chain, front view.
PDB entry 4j5v coloured by chain, side view.
PDB entry 4j5v coloured by chain, top view.
Source organism: Tomato bushy stunt virus
Assembly composition:
hetero tetramer (preferred)
Entry contents: 1 distinct polypeptide molecule
1 distinct RNA molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: RNA silencing suppressor p19 and RNA
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Multimeric state: hetero tetramer
Accessible surface area: 17146.09 Å2
Buried surface area: 10143.59 Å2
Dissociation area: 2,668.96 Å2
Dissociation energy (ΔGdiss): 52.49 kcal/mol
Dissociation entropy (TΔSdiss): 23.82 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-159602

Macromolecules

RNA silencing suppressor p19
Chain: A
Length: 127 amino acids
Theoretical weight: 14.51 KDa
Source organism: Tomato bushy stunt virus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P69517 (Residues: 27-149; Coverage: 72%)
Gene name: ORF4
Pfam: Tombusvirus P19 core protein
InterPro:
CATH: RNA silencing suppressor P19
RNA silencing suppressor p19 in PDB entry 4j5v, assembly 1, front view.
RNA silencing suppressor p19 in PDB entry 4j5v, assembly 1, side view.
RNA silencing suppressor p19 in PDB entry 4j5v, assembly 1, top view.
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RNA chain B
Name: 5'-R(P*CP*AP*GP*CP*AP*GP*CP*AP*GP*CP*CP*CP*GP*CP*CP*GP*CP*CP*G)-3'
Representative chains: B
Source organism: Tomato bushy stunt virus [12145]
Expression system: Not provided
Length: 19 nucleotides
Theoretical weight: 6.07 KDa
5'-R(P*CP*AP*GP*CP*AP*GP*CP*AP*GP*CP*CP*CP*GP*CP*CP*GP*CP*CP*G)-3' in PDB entry 4j5v, assembly 1, front view.
5'-R(P*CP*AP*GP*CP*AP*GP*CP*AP*GP*CP*CP*CP*GP*CP*CP*GP*CP*CP*G)-3' in PDB entry 4j5v, assembly 1, side view.
5'-R(P*CP*AP*GP*CP*AP*GP*CP*AP*GP*CP*CP*CP*GP*CP*CP*GP*CP*CP*G)-3' in PDB entry 4j5v, assembly 1, top view.
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