4zdu

X-ray diffraction
2.3Å resolution

Crystal structure of importin-alpha bound to a non-classical nuclear localization signal of the influenza A virus nucleoprotein

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-137053 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Importin subunit alpha-1 Chain: A
Molecule details ›
Chain: A
Length: 428 amino acids
Theoretical weight: 46.37 KDa
Source organism: Mus musculus
Expression system: Escherichia coli
UniProt:
  • Canonical: P52293 (Residues: 72-498; Coverage: 81%)
Gene names: Kpna2, Rch1
Sequence domains:
Structure domains: Leucine-rich Repeat Variant
Nucleoprotein Chain: B
Molecule details ›
Chain: B
Length: 16 amino acids
Theoretical weight: 1.76 KDa
Source organism: Influenza A virus (A/Puerto Rico/8/1934(H1N1))
Expression system: Escherichia coli
UniProt:
  • Canonical: P03466 (Residues: 2-15; Coverage: 3%)
Gene name: NP

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PHOTON FACTORY BEAMLINE BL-1A
Spacegroup: R32
Unit cell:
a: 110.25Å b: 110.25Å c: 204.361Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.191 0.188 0.246
Expression system: Escherichia coli