9EEF | pdb_00009eef

Human Kv1.3 mutant - G427H

• PDB DOI: https://doi.org/10.2210/pdb9EEF/pdb
• EM Map EMD-47955: EMDB EMDataResource

• Classification: IMMUNE SYSTEM
• Organism(s): Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): Yes 


• Deposited: 2024-11-19 Released: 2025-11-26 
• Deposition Author(s): Selvakumar, P., Swartz, K.J.
• Funding Organization(s): National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.54 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Human Kv1.3 mutant - G427H

Selvakumar, P., Swartz, K.J.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C4  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

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

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 380.55 kDa 
• Atom Count: 11,400 
• Modeled Residue Count: 1,396 
• Deposited Residue Count: 3,424 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Potassium voltage-gated channel subfamily A member 3,Green fluorescent protein	A, B, C, D	856	Homo sapiens	Mutation(s): 12  Gene Names: KCNA3, HGK5, GFP
UniProt & NIH Common Fund Data Resources
Find proteins for P22001 (Homo sapiens) Explore P22001  Go to UniProtKB:  P22001
PHAROS:  P22001 GTEx:  ENSG00000177272
Find proteins for P42212 (Aequorea victoria) Explore P42212  Go to UniProtKB:  P42212
UniProt Groups	P22001P42212

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
K	E [auth A], F [auth A], G [auth A], H [auth A]	POTASSIUM ION K NPYPAHLBTDXSSS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.54 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.21.2_5419:
RECONSTRUCTION	cryoSPARC

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-11-26 
Deposition Author(s): Selvakumar, P., Swartz, K.J.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS)	United States	NS 002945-28

Revision History  

• Version 1.0: 2025-11-26
  Type: Initial release