7ZXT

cryo-EM structure of Connexin 32 W3S mutation hemi channel

• PDB DOI: https://doi.org/10.2210/pdb7ZXT/pdb
• EM Map EMD-15016: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): Yes 
• Membrane Protein: Yes  OPMPDBTMMemProtMD


• Deposited: 2022-05-22 Released: 2023-05-31 
• Deposition Author(s): Qi, C., Korkhov, V.M.
• Funding Organization(s): Swiss National Science Foundation

---

Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.90 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structures of connexin 32 channels suggest a link between hemichannel gating and disease-associated mutations

Qi, C., Korkhov, V.M.

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: 191.8 kDa 
• Atom Count: 9,924 
• Modelled Residue Count: 1,236 
• Deposited Residue Count: 1,698 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Gap junction beta-1 protein	A, B, C, D, E, F	283	Homo sapiens	Mutation(s): 1  Gene Names: GJB1, CX32 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P08034 (Homo sapiens) Explore P08034  Go to UniProtKB:  P08034
PHAROS:  P08034 GTEx:  ENSG00000169562

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.90 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-05-31 
Deposition Author(s): Qi, C., Korkhov, V.M.

---

Funding Organization	Location	Grant Number
Swiss National Science Foundation	Switzerland	184951

Revision History  

• Version 1.0: 2023-05-31
  Type: Initial release