6UVT

Human Connexin-26 (Low pH closed conformation)

• PDB DOI: https://doi.org/10.2210/pdb6UVT/pdb
• EM Map EMD-20916: EMDB EMDataResource

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


• Deposited: 2019-11-04 Released: 2020-04-29 
• Deposition Author(s): Khan, A.K., Jagielnicki, M., Purdy, M.D., Yeager, M.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS), National Institutes of Health/National Human Genome Research Institute (NIH/NHGRI)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 7.50 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

A Steric 'Ball-and-Chain' Mechanism for pH-Mediated Regulation of Gap Junction Channels

Khan, A.K., Jagielnicki, M., McIntire, W.E., Purdy, M.D., Dharmarajan, V., Griffin, P.R., Yeager, M.

(2020) Cell Rep 31: 1-11

• DOI: https://doi.org/10.1016/j.celrep.2020.03.046

Biological Assembly 1  

Global Symmetry: Dihedral - D6  (Explore in 3D)
Global Stoichiometry: Homo 12-mer - A12 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: microscopy

Macromolecule Content

• Total Structure Weight: 314.58 kDa 
• Atom Count: 8,448 
• Modelled Residue Count: 2,112 
• Deposited Residue Count: 2,712 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Gap junction beta-2 protein	A, B [auth K], C [auth L], D [auth B], E [auth H], F [auth C], G [auth I], H [auth D], I [auth J], J [auth E], K [auth F], L [auth G]	226	Homo sapiens	Mutation(s): 2  Gene Names: GJB2 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P29033 (Homo sapiens) Explore P29033  Go to UniProtKB:  P29033
PHAROS:  P29033 GTEx:  ENSG00000165474

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 7.50 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX
MODEL REFINEMENT	Coot
RECONSTRUCTION	RELION

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2020-04-29 
Deposition Author(s): Khan, A.K., Jagielnicki, M., Purdy, M.D., Yeager, M.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	R01 HL48908
National Institutes of Health/National Human Genome Research Institute (NIH/NHGRI)	United States	F30 HL129702-01

Revision History  

• Version 1.0: 2020-04-29
  Type: Initial release
  
• Version 1.1: 2024-03-06
  Changes: Data collection, Database references