9ZS7 | pdb_00009zs7

CryoEM structure of Shaker ILT (V369I,I372L,S376T)

• PDB DOI: https://doi.org/10.2210/pdb9ZS7/pdb
• EM Map EMD-74699: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Drosophila melanogaster
• Expression System: Homo sapiens
• Mutation(s): Yes 


• Deposited: 2025-12-22 Released: 2026-08-05 
• Deposition Author(s): Agrawal, R., Perozo, E., Roux, B.
• Funding Organization(s): National Institutes of Health/Office of the Director

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.40 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Starting Model: experimental

Literature

CryoEM structure of Shaker ILT mutant

Agrawal, R., Perozo, E., Roux, B.

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.

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 297.38 kDa 
• Atom Count: 10,225 
• Modeled Residue Count: 1,380 
• Deposited Residue Count: 2,620 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Potassium voltage-gated channel protein Shaker	A, B, C [auth D], D [auth C]	655	Drosophila melanogaster	Mutation(s): 3  Gene Names: Sh, mns, CG12348
UniProt
Find proteins for P08510 (Drosophila melanogaster) Explore P08510  Go to UniProtKB:  P08510

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
K (Subject of Investigation/LOI)	E [auth A], F [auth A], G [auth A], H [auth A], I [auth C]	POTASSIUM ION K NPYPAHLBTDXSSS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.40 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC
MODEL REFINEMENT	PHENIX	1.21.1_5286

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-08-05 
Deposition Author(s): Agrawal, R., Perozo, E., Roux, B.

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Funding Organization	Location	Grant Number
National Institutes of Health/Office of the Director	United States	5R35GM152124
National Institutes of Health/Office of the Director	United States	5R01GM150272
National Institutes of Health/Office of the Director	United States	1S10OD028655

Revision History  

• Version 1.0: 2026-08-05
  Type: Initial release