X-ray diffraction
1.9Å resolution

Structure of Influenza A H5N1 PB2 cap-binding domain with bound cap analogue (compound 11)

Entry authors: Pautus S, Sehr P, Lewis J, Fortune A, Wolkerstorfer A, Szolar O, Gulligay D, Lunardi T, Decout JL, Cusack S

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Polymerase basic protein 2 Chains: A, B
Molecule details ›
Chains: A, B
Length: 167 amino acids
Theoretical weight: 18.89 KDa
Source organism: Influenza A virus (A/duck/Shantou/4610/2003(H5N1))
Expression system: Escherichia coli BL21
  • Canonical: Q2LG68 (Residues: 318-483; Coverage: 22%)
Gene name: PB2
Sequence domains: Influenza RNA-dependent RNA polymerase subunit PB2

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID29
Spacegroup: C2
Unit cell:
a: 116.17Å b: 31.13Å c: 98.79Å
α: 90° β: 118.27° γ: 90°
R R work R free
0.215 0.211 0.274
Expression system: Escherichia coli BL21