1un0

X-ray diffraction
2.6Å resolution

Crystal Structure of Yeast Karyopherin (Importin) alpha in complex with a Nup2p N-terminal fragment

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-152333 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Importin subunit alpha Chains: A, B
Molecule details ›
Chains: A, B
Length: 443 amino acids
Theoretical weight: 48.91 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q02821 (Residues: 88-530; Coverage: 82%)
Gene names: KAP60, N1606, SRP1, YNL189W
Sequence domains:
Structure domains: Leucine-rich Repeat Variant
Nucleoporin NUP2 Chains: C, D
Molecule details ›
Chains: C, D
Length: 51 amino acids
Theoretical weight: 5.81 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P32499 (Residues: 1-51; Coverage: 7%)
Gene names: L8300.9, NUP2, YLR335W
Sequence domains: NUP50 (Nucleoporin 50 kDa)

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SRS BEAMLINE PX14.2
Spacegroup: P21212
Unit cell:
a: 129.813Å b: 140.076Å c: 63.99Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.218 0.216 0.257
Expression system: Escherichia coli BL21(DE3)