4wrt

X-ray diffraction
2.7Å resolution

Crystal structure of Influenza B polymerase with bound vRNA promoter (form FluB2)

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero pentamer (preferred)
PDBe Complex ID:
PDB-CPX-178406 (preferred)
Entry contents:
3 distinct polypeptide molecules
2 distinct RNA molecules
Macromolecules (5 distinct):
Polymerase acidic protein Chain: A
Molecule details ›
Chain: A
Length: 751 amino acids
Theoretical weight: 85.82 KDa
Source organism: Influenza B virus (B/Memphis/13/2003)
Expression system: Trichoplusia ni
UniProt:
  • Canonical: Q5V8Z9 (Residues: 1-726; Coverage: 100%)
Gene name: PA
Sequence domains: Influenza RNA-dependent RNA polymerase subunit PA
RNA-directed RNA polymerase catalytic subunit Chain: B
Molecule details ›
Chain: B
Length: 772 amino acids
Theoretical weight: 86.21 KDa
Source organism: Influenza B virus (B/Memphis/13/2003)
Expression system: Trichoplusia ni
UniProt:
  • Canonical: Q5V8Y6 (Residues: 1-752; Coverage: 100%)
Gene name: PB1
Sequence domains: Influenza RNA-dependent RNA polymerase subunit PB1
Influenza virus polymerase vRNA promoter 3' end Chain: R
Molecule details ›
Chain: R
Length: 18 nucleotides
Theoretical weight: 5.58 KDa
Source organism: Influenza B virus
Expression system: Not provided
Influenza virus polymerase vRNA promoter 5' end Chain: V
Molecule details ›
Chain: V
Length: 14 nucleotides
Theoretical weight: 4.56 KDa
Source organism: Influenza B virus
Expression system: Not provided

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID23-1
Spacegroup: P6322
Unit cell:
a: 207.37Å b: 207.37Å c: 345.69Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.175 0.173 0.211
Expression systems:
  • Trichoplusia ni
  • Not provided