8GN8

structure of human connexin 40.1 pentameric hemichannel by cryoEM

• PDB DOI: https://doi.org/10.2210/pdb8GN8/pdb
• EM Map EMD-34157: EMDB EMDataResource

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


• Deposited: 2022-08-23 Released: 2023-08-30 
• Deposition Author(s): Zhang, H., Wang, D.P.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.50 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

structure of human connexin 40.1 intercellular gap junction channel by cryoEM

Zhang, H., Wang, D.P.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C5  (Explore in 3D)
Global Stoichiometry: Homo 5-mer - A5 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 130.15 kDa 
• Atom Count: 7,920 
• Modelled Residue Count: 1,010 
• Deposited Residue Count: 1,165 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Gap junction delta-4 protein	A [auth D], B [auth A], C [auth B], D [auth C], E	233	Homo sapiens	Mutation(s): 0  Gene Names: GJD4, CX40.1 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for Q96KN9 (Homo sapiens) Explore Q96KN9  Go to UniProtKB:  Q96KN9
PHAROS:  Q96KN9 GTEx:  ENSG00000177291

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.50 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-08-30 
Deposition Author(s): Zhang, H., Wang, D.P.

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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	81972085
National Natural Science Foundation of China (NSFC)	China	82172465

Revision History  

• Version 1.0: 2023-08-30
  Type: Initial release
  
• Version 1.1: 2024-10-09
  Changes: Data collection, Structure summary