9YY4 | pdb_00009yy4

Importin a2 in complex with Lone Star virus non-structural S (NSs) NLS peptide

• PDB DOI: https://doi.org/10.2210/pdb9YY4/pdb

• Classification: TRANSPORT PROTEIN
• Organism(s): Mus musculus, Lone Star virus
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2025-10-28 Released: 2025-11-05 
• Deposition Author(s): Hawker, J.E., 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: 
  0.229 (Depositor), 0.227 (DCC) 
• R-Value Work: 
  0.185 (Depositor), 0.187 (DCC) 
• R-Value Observed: 
  0.188 (Depositor) 

Starting Model: experimental

Literature

Importin a2 in complex with Lone Star virus non-structural S (NSs) NLS peptide

Hawker, J.E., Forwood, J.K.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

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

Biological Assembly Evidence: native gel electrophoresis

Macromolecule Content 

• Total Structure Weight: 57.67 kDa 
• Atom Count: 3,438 
• Modeled Residue Count: 433 
• Deposited Residue Count: 528 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Importin subunit alpha-1	A	510	Mus musculus	Mutation(s): 0  Gene Names: Kpna2, Rch1
UniProt & NIH Common Fund Data Resources
Find proteins for P52293 (Mus musculus) Explore P52293  Go to UniProtKB:  P52293
IMPC:  MGI:103561

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Non-structural S NLS peptide	B	18	Lone Star virus	Mutation(s): 0

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.35 Å
• R-Value Free:  0.229 (Depositor), 0.227 (DCC) 
• R-Value Work:  0.185 (Depositor), 0.187 (DCC) 
• R-Value Observed: 0.188 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 78.898	α = 90
b = 90.144	β = 90
c = 100.309	γ = 90

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-11-05 
Deposition Author(s): Hawker, J.E., Forwood, J.K.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2025-11-05
  Type: Initial release