4E4V

The crystal structure of the dimeric human importin alpha 1 at 2.5 angstrom resolution.

• PDB DOI: https://doi.org/10.2210/pdb4E4V/pdb

• Classification: TRANSPORT PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21
• Mutation(s): Yes 


• Deposited: 2012-03-13 Released: 2013-05-29 
• Deposition Author(s): Hang, P.C., Miknis, Z.M., Franke, W.A., Umland, T.C., Schultz, L.W.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.53 Å
• R-Value Free: 0.203 
• R-Value Work: 0.155 
• R-Value Observed: 0.157 

Literature

The crystal structure of the dimeric human importin alpha 1 at 2.5 angstrom resolution.

Hang, P.C., Miknis, Z.J., Franke, W.A., Umland, T.C., Schultz, L.W.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 106.84 kDa 
• Atom Count: 6,853 
• Modelled Residue Count: 866 
• Deposited Residue Count: 970 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Importin subunit alpha-2	A, B	485	Homo sapiens	Mutation(s): 1  Gene Names: IP0A1, KPNA2, RCH1, SRP1
UniProt & NIH Common Fund Data Resources
Find proteins for P52292 (Homo sapiens) Explore P52292  Go to UniProtKB:  P52292
PHAROS:  P52292 GTEx:  ENSG00000182481

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
DTT	K [auth A], Q [auth B]	2,3-DIHYDROXY-1,4-DITHIOBUTANE C4 H10 O2 S2 VHJLVAABSRFDPM-IMJSIDKUSA-N
GOL	C [auth A], D [auth A], E [auth A], F [auth A], G [auth A], H [auth A], I [auth A], J [auth A], L [auth B], M [auth B], N [auth B], O [auth B], P [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.53 Å
• R-Value Free: 0.203 
• R-Value Work: 0.155 
• R-Value Observed: 0.157 
• Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 143.52	α = 90
b = 143.52	β = 90
c = 136.957	γ = 90

Software Package:

Software Name	Purpose
Blu-Ice	data collection
PHENIX	model building
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHENIX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-05-29 
Deposition Author(s): Hang, P.C., Miknis, Z.M., Franke, W.A., Umland, T.C., Schultz, L.W.

Revision History  

• Version 1.0: 2013-05-29
  Type: Initial release
  
• Version 1.1: 2017-11-15
  Changes: Refinement description
• Version 1.2: 2023-09-13
  Changes: Data collection, Database references, Derived calculations, Refinement description