8I5M

Rat Kir4.1 in complex with PIP2

• PDB DOI: https://doi.org/10.2210/pdb8I5M/pdb
• EM Map EMD-35195: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Rattus norvegicus
• Expression System: Homo sapiens
• Mutation(s): No 
• Membrane Protein: Yes  PDBTMMemProtMD


• Deposited: 2023-01-26 Released: 2024-02-28 
• Deposition Author(s): Zhao, C., Guo, J.
• Funding Organization(s): Ministry of Education (MoE, China)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.85 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Pharmacological inhibition of astrocytic Kir4.1 channel evokes rapid-onset antidepressant responses

Zhao, C., Guo, 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.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 158.15 kDa 
• Atom Count: 10,020 
• Modelled Residue Count: 1,240 
• Deposited Residue Count: 1,380 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ATP-sensitive inward rectifier potassium channel 10	A, B, C, D	345	Rattus norvegicus	Mutation(s): 0  Gene Names: Kcnj10, Kab-2 Membrane Entity: Yes
UniProt
Find proteins for P49655 (Rattus norvegicus) Explore P49655  Go to UniProtKB:  P49655

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PIO (Subject of Investigation/LOI)	E [auth A], F [auth B], G [auth C], H [auth D]	[(2R)-2-octanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phosphoryl]oxy-propyl] octanoate C25 H49 O19 P3 XLNCEHRXXWQMPK-MJUMVPIBSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.85 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-02-28 
Deposition Author(s): Zhao, C., Guo, J.

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Funding Organization	Location	Grant Number
Ministry of Education (MoE, China)	China	Frontier Science Center for Brain Science & Brain-Machine Integration, Zhejiang University

Revision History  

• Version 1.0: 2024-02-28
  Type: Initial release