9JCH | pdb_00009jch

Cryo-EM structure of asymmetric pannexin 3 hexamer in nanodisc class 2

• PDB DOI: https://doi.org/10.2210/pdb9JCH/pdb
• EM Map EMD-61366: EMDB EMDataResource

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


• Deposited: 2024-08-29 Released: 2025-09-03 
• Deposition Author(s): Zhang, H., Zhang, H.W., Wang, D.
• 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

Cryo-EM structure of asymmetric pannexin 3 hexamer in nanodisc class 2

Zhang, H., Zhang, H.W., Wang, D.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C6  (Explore in 3D)
Global Stoichiometry: Homo 6-mer - A6 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 268.41 kDa 
• Atom Count: 17,178 
• Modeled Residue Count: 2,130 
• Deposited Residue Count: 2,352 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Pannexin-3	A, B, C, D, E, F	392	Homo sapiens	Mutation(s): 0  Gene Names: PANX3 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for Q96QZ0 (Homo sapiens) Explore Q96QZ0  Go to UniProtKB:  Q96QZ0
PHAROS:  Q96QZ0 GTEx:  ENSG00000154143

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: 2025-09-03 
Deposition Author(s): Zhang, H., Zhang, H.W., Wang, D.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	31900046
National Natural Science Foundation of China (NSFC)	China	82302764
National Natural Science Foundation of China (NSFC)	China	81972085
National Natural Science Foundation of China (NSFC)	China	82172465

Revision History  

• Version 1.0: 2025-09-03
  Type: Initial release