5W4G

Importin binding to NLS peptide of DNA polymerase lambda

• PDB DOI: https://doi.org/10.2210/pdb5W4G/pdb

• Classification: PROTEIN BINDING
• Organism(s): Mus musculus, Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2017-06-10 Released: 2018-06-13 
• Deposition Author(s): Pedersen, L.C., London, R.E.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.04 Å
• R-Value Free: 0.200 
• R-Value Work: 0.171 
• R-Value Observed: 0.172 

Starting Model: experimental

Literature

Structure of Importin with bound NLS from DNA polymerase lambda

Pedersen, L.C., London, R., Gabel, S.

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)

Macromolecule Content

• Total Structure Weight: 59.13 kDa 
• Atom Count: 3,544 
• Modelled Residue Count: 438 
• Deposited Residue Count: 539 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Importin subunit alpha-1	A [auth B]	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
DNA polymerase lambda	B [auth A]	29	Homo sapiens	Mutation(s): 0  EC: 2.7.7.7 (PDB Primary Data), 4.2.99 (PDB Primary Data)
UniProt & NIH Common Fund Data Resources
Find proteins for Q9UGP5 (Homo sapiens) Explore Q9UGP5  Go to UniProtKB:  Q9UGP5
PHAROS:  Q9UGP5 GTEx:  ENSG00000166169

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth B], D [auth B], E [auth B], F [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	G [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.04 Å
• R-Value Free: 0.200 
• R-Value Work: 0.171 
• R-Value Observed: 0.172 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 78.195	α = 90
b = 89.747	β = 90
c = 98.51	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2018-06-13 
Deposition Author(s): Pedersen, L.C., London, R.E.

Revision History  

• Version 1.0: 2018-06-13
  Type: Initial release
  
• Version 1.1: 2023-10-04
  Changes: Data collection, Database references, Refinement description