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- PDB-8gn8: structure of human connexin 40.1 pentameric hemichannel by cryoEM -
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Open data
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Basic information
Entry | Database: PDB / ID: 8gn8 | ||||||||||||
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Title | structure of human connexin 40.1 pentameric hemichannel by cryoEM | ||||||||||||
![]() | Gap junction delta-4 protein | ||||||||||||
![]() | MEMBRANE PROTEIN / connexin hemichannel | ||||||||||||
Function / homology | ![]() regulation of satellite cell activation involved in skeletal muscle regeneration / connexin complex / Gap junction assembly / gap junction channel activity / cell-cell signaling Similarity search - Function | ||||||||||||
Biological species | ![]() | ||||||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.5 Å | ||||||||||||
![]() | Zhang, H. / Wang, D.P. | ||||||||||||
Funding support | ![]()
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![]() | ![]() Title: structure of human connexin 40.1 intercellular gap junction channel by cryoEM Authors: Zhang, H. / Wang, D.P. | ||||||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 213.7 KB | Display | ![]() |
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PDB format | ![]() | 144.1 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 34157MC ![]() 8gn7C M: map data used to model this data C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
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Assembly
Deposited unit | ![]()
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1 |
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Components
#1: Protein | Mass: 26030.973 Da / Num. of mol.: 5 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
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-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
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EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
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Sample preparation
Component | Name: structure of human connexin 40.1 pentameric hemichannel Type: COMPLEX / Entity ID: all / Source: RECOMBINANT |
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Molecular weight | Value: 0.13 MDa / Experimental value: NO |
Source (natural) | Organism: ![]() |
Source (recombinant) | Organism: ![]() |
Buffer solution | pH: 7.5 |
Specimen | Conc.: 4 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
Vitrification | Cryogen name: ETHANE |
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Electron microscopy imaging
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Microscopy | Model: FEI TITAN KRIOS |
Electron gun | Electron source: ![]() |
Electron lens | Mode: BRIGHT FIELD / Nominal defocus max: 2500 nm / Nominal defocus min: 1000 nm |
Image recording | Electron dose: 50 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k) |
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Processing
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CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
3D reconstruction | Resolution: 3.5 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 62658 / Symmetry type: POINT | ||||||||||||||||||||||||
Refinement | Cross valid method: NONE Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2 | ||||||||||||||||||||||||
Displacement parameters | Biso mean: 90.75 Å2 | ||||||||||||||||||||||||
Refine LS restraints |
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