9J92 | pdb_00009j92

Native GluA1/GluA4-CNIH3 complex in resting state

• PDB DOI: https://doi.org/10.2210/pdb9J92/pdb
• EM Map EMD-61250: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Sus scrofa
• Mutation(s): No 


• Deposited: 2024-08-22 Released: 2026-03-04 
• Deposition Author(s): Li, X., Li, R., Wei, Y., Zhao, Y.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 4.60 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Assembly and gating mechanism of native AMPA receptors from the cerebellum

Li, X., Li, R., Wei, Y., Chen, J., Zhao, J., Zhao, J., Wang, W., Li, N., Wang, L., Hu, T., Dong, Y., Zhu, Y., Wei, C., Li, L., Zhang, W., Huang, Z., Zhao, Y.

(2026) Cell Res 

• DOI: https://doi.org/10.1038/s41422-026-01234-8

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 8-mer - A4B4 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 478.29 kDa 
• Atom Count: 16,864 
• Modeled Residue Count: 2,096 
• Deposited Residue Count: 4,216 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Glutamate receptor	A, C	906	Sus scrofa	Mutation(s): 0
UniProt
Find proteins for A0A286ZS63 (Sus scrofa) Explore A0A286ZS63  Go to UniProtKB:  A0A286ZS63

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Glutamate receptor	B [auth D], D [auth B]	884	Sus scrofa	Mutation(s): 0
UniProt
Find proteins for I3L8N9 (Sus scrofa) Explore I3L8N9  Go to UniProtKB:  I3L8N9

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Cornichon family AMPA receptor auxiliary protein 3	E, F [auth H], G, H [auth F]	159	Sus scrofa	Mutation(s): 0
UniProt
Find proteins for A0A287BJP0 (Sus scrofa) Explore A0A287BJP0  Go to UniProtKB:  A0A287BJP0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
DQC (Subject of Investigation/LOI)	I [auth A], J [auth D], K [auth C], L [auth B]	7-nitro-2,3-dioxo-1,2,3,4-tetrahydroquinoxaline-6-carbonitrile C9 H4 N4 O4 RPXVIAFEQBNEAX-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 4.60 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2026-03-04 
Deposition Author(s): Li, X., Li, R., Wei, Y., Zhao, Y.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	92157102

Revision History  

• Version 1.0: 2026-03-04
  Type: Initial release
  
• Version 1.1: 2026-03-25
  Changes: Data collection, Database references