6M66 | pdb_00006m66

The Cryo-EM Structure of Human Pannexin 1

• PDB DOI: https://doi.org/10.2210/pdb6M66/pdb
• EM Map EMD-30114: EMDB EMDataResource

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


• Deposited: 2020-03-13 Released: 2020-04-15 
• Deposition Author(s): Jin, Q., Bo, Z., Xiang, Z., Xiaokang, Z., Ye, S.

---

Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 4.10 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Cryo-EM structures of human pannexin 1 channel.

Jin, Q., Zhang, B., Zheng, X., Li, N., Xu, L., Xie, Y., Song, F., Bhat, E.A., Chen, Y., Gao, N., Guo, J., Zhang, X., Ye, S.

(2020) Cell Res 30: 449-451

• PubMed: 32246089 
• DOI: https://doi.org/10.1038/s41422-020-0310-0
• Primary Citation of Related Structures:  
  6M66, 6M67, 6M68

---

Organizational Affiliation: 
• Life Sciences Institute, Zhejiang University, Hangzhou, Zhejiang, 310058, China.
The State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, 666 Wusu street, Hangzhou, Zhejiang, 311300, China.
State Key Laboratory of Membrane Biology, Peking-Tsinghua Center for Life Sciences, School of Life Sciences, Peking University, Beijing, China.
Department of Biophysics, Department of Pathology of Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310058, China.
Department of Biophysics, Institute of Neuroscience, NHC and CAMS Key Laboratory of Medical Neurobiology, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310058, China.
Department of Biophysics, Department of Pathology of Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310058, China. [e-mail].
Department of Biophysics, Institute of Neuroscience, NHC and CAMS Key Laboratory of Medical Neurobiology, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310058, China. [e-mail].
Tianjin Key Laboratory of Function and Application of Biological Macromolecular Structures, School of Life Sciences, Tianjin University, 92 Weijin Road, Nankai District, Tianjin, 300072, China. [e-mail].
Life Sciences Institute, Zhejiang University, Hangzhou, Zhejiang, 310058, China. [e-mail].
Tianjin Key Laboratory of Function and Application of Biological Macromolecular Structures, School of Life Sciences, Tianjin University, 92 Weijin Road, Nankai District, Tianjin, 300072, China. [e-mail].

Biological Assembly 1  

Global Symmetry: Cyclic - C7  (Explore in 3D)
Global Stoichiometry: Homo 7-mer - A7 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: microscopy

Macromolecule Content 

• Total Structure Weight: 348.35 kDa 
• Atom Count: 14,938 
• Modeled Residue Count: 1,855 
• Deposited Residue Count: 3,080 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Pannexin-1	A, B, C, D, E, F, G	440	Homo sapiens	Mutation(s): 0  Gene Names: PANX1, MRS1, UNQ2529/PRO6028 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for Q96RD7 (Homo sapiens) Explore Q96RD7  Go to UniProtKB:  Q96RD7
PHAROS:  Q96RD7 GTEx:  ENSG00000110218

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 4.10 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX

Structure Validation

Entry History 

Deposition Data

• Released Date: 2020-04-15 
Deposition Author(s): Jin, Q., Bo, Z., Xiang, Z., Xiaokang, Z., Ye, S.

Revision History  

• Version 1.0: 2020-04-15
  Type: Initial release
  
• Version 1.1: 2020-05-13
  Changes: Database references
• Version 1.2: 2024-11-13
  Changes: Data collection, Database references, Structure summary
• Version 1.3: 2025-07-02
  Changes: Data collection