9N86 | pdb_00009n86

Cryo-EM structure of human importin beta:importin alpha (IBB) complex

PDB DOI: https://doi.org/10.2210/pdb9N86/pdb
EM Map EMD-49116: EMDB EMDataResource

Classification: TRANSPORT PROTEIN
Organism(s): Homo sapiens
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2025-02-07 Released: 2025-12-10
Deposition Author(s): Ko, Y., Cingolani, G., Suinn, S.
Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.30 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

Validation slider image for 9N86

This is version 1.0 of the entry. See complete history.

Literature

Cryo-EM structure of human importin beta-Ran-GTP heterodimer

Ko, Y., Cingolani, G.

To be published.

Macromolecule Content

Total Structure Weight: 103.61 kDa
Atom Count: 7,173
Modeled Residue Count: 919
Deposited Residue Count: 929
Unique protein chains: 2

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Importin subunit beta-1	A	876	Homo sapiens	Mutation(s): 0 Gene Names: KPNB1, NTF97
UniProt & NIH Common Fund Data Resources
Find proteins for Q14974 (Homo sapiens) Explore Q14974 Go to UniProtKB: Q14974
PHAROS: Q14974 GTEx: ENSG00000108424
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q14974
Sequence Annotations Expand
Reference Sequence

Find similar proteins by:

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Importin subunit alpha-1	B	53	Homo sapiens	Mutation(s): 0 Gene Names: 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
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P52292
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.30 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.21.2_5419

Structure Validation

View Full Validation Report

View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2025-12-10

Deposition Author(s):

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	--

Revision History (Full details and data files)

Version 1.0: 2025-12-10
Type: Initial release

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.