8G4J

Crystal structure of Cavia porcellus (guinea pig) importin-alpha 1 in cargo-free state

• PDB DOI: https://doi.org/10.2210/pdb8G4J/pdb
• Entry: 8G4J supersedes: 7S1E

• Classification: TRANSPORT PROTEIN
• Organism(s): Cavia porcellus
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2023-02-09 Released: 2023-02-22 
• Deposition Author(s): Hawker, J.E., Roby, J.A., Stewart, M., Forwood, J.K.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.35 Å
• R-Value Free: 
  0.235 (Depositor), 0.230 (DCC) 
• R-Value Work: 
  0.215 (Depositor), 0.210 (DCC) 
• R-Value Observed: 
  0.216 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of Cavia porcellus (guinea pig) importin-alpha 1 in cargo-free state

Hawker, J.E., Roby, J.A., Stewart, M., Forwood, J.K.

To be published.

Biological Assembly 1  

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

Biological assembly 1 generated by PISA (software)

Biological Assembly 2  

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

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 91.93 kDa 
• Atom Count: 6,526 
• Modelled Residue Count: 845 
• Deposited Residue Count: 846 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Importin subunit alpha	A, B	423	Cavia porcellus	Mutation(s): 0  Gene Names: Kpna2
UniProt
Find proteins for H0VVB1 (Cavia porcellus) Explore H0VVB1  Go to UniProtKB:  H0VVB1

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.35 Å
• R-Value Free:  0.235 (Depositor), 0.230 (DCC) 
• R-Value Work:  0.215 (Depositor), 0.210 (DCC) 
• R-Value Observed: 0.216 (Depositor) 

Space Group: P 4 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 184.169	α = 90
b = 184.169	β = 90
c = 57.61	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
Aimless	data scaling
PHASER	phasing
Coot	model building
MOSFLM	data reduction

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-02-22 
Deposition Author(s): Hawker, J.E., Roby, J.A., Stewart, M., Forwood, J.K.
• This entry supersedes: 7S1E

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2023-02-22
  Type: Initial release
  
• Version 1.1: 2024-05-22
  Changes: Data collection