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Open data
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Basic information
Entry | Database: PDB / ID: 6w8f | ||||||
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Title | K2P2.1 (TREK-1):ML335 complex, 0 mM K+ | ||||||
![]() | Potassium channel subfamily K member 2 | ||||||
![]() | METAL TRANSPORT / ion channel / K2P / TREK1 / TREK-1 | ||||||
Function / homology | ![]() TWIK related potassium channel (TREK) / Phase 4 - resting membrane potential / positive regulation of cellular response to hypoxia / cardiac ventricle development / negative regulation of cardiac muscle cell proliferation / stabilization of membrane potential / potassium ion leak channel activity / astrocyte projection / potassium channel inhibitor activity / negative regulation of DNA biosynthetic process ...TWIK related potassium channel (TREK) / Phase 4 - resting membrane potential / positive regulation of cellular response to hypoxia / cardiac ventricle development / negative regulation of cardiac muscle cell proliferation / stabilization of membrane potential / potassium ion leak channel activity / astrocyte projection / potassium channel inhibitor activity / negative regulation of DNA biosynthetic process / outward rectifier potassium channel activity / cochlea development / voltage-gated potassium channel activity / calyx of Held / response to axon injury / response to mechanical stimulus / axon terminus / potassium ion transmembrane transport / voltage-gated potassium channel complex / regulation of membrane potential / potassium ion transport / memory / cellular response to hypoxia / G protein-coupled receptor signaling pathway / apical plasma membrane / axon / neuronal cell body / cell surface / endoplasmic reticulum / plasma membrane Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Lolicato, M. / Minor, D.L. | ||||||
Funding support | ![]()
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![]() | ![]() Title: K 2P channel C-type gating involves asymmetric selectivity filter order-disorder transitions. Authors: Lolicato, M. / Natale, A.M. / Abderemane-Ali, F. / Crottes, D. / Capponi, S. / Duman, R. / Wagner, A. / Rosenberg, J.M. / Grabe, M. / Minor Jr., D.L. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 238 KB | Display | ![]() |
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PDB format | ![]() | 189.9 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1.1 MB | Display | ![]() |
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Full document | ![]() | 1.1 MB | Display | |
Data in XML | ![]() | 23.4 KB | Display | |
Data in CIF | ![]() | 30.3 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 6w7bC ![]() 6w7cC ![]() 6w7dC ![]() 6w7eC ![]() 6w82C ![]() 6w83C ![]() 6w84C ![]() 6w85C ![]() 6w86C ![]() 6w87C ![]() 6w88C ![]() 6w8aC ![]() 6w8cC ![]() 6cq6S C: citing same article ( S: Starting model for refinement |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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Unit cell |
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Components
-Protein , 1 types, 2 molecules AB
#1: Protein | Mass: 34303.938 Da / Num. of mol.: 2 Mutation: K84R, Q85E, T86K, I88L, A89R, Q90A, A92P, N95S, S96D, T97Q, N119A, S300A, E306A Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
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-Non-polymers , 7 types, 22 molecules ![](data/chem/img/K.gif)
![](data/chem/img/Q6F.gif)
![](data/chem/img/16C.gif)
![](data/chem/img/R16.gif)
![](data/chem/img/CD.gif)
![](data/chem/img/LNK.gif)
![](data/chem/img/D12.gif)
![](data/chem/img/Q6F.gif)
![](data/chem/img/16C.gif)
![](data/chem/img/R16.gif)
![](data/chem/img/CD.gif)
![](data/chem/img/LNK.gif)
![](data/chem/img/D12.gif)
#2: Chemical | ChemComp-K / #3: Chemical | #4: Chemical | ChemComp-16C / | #5: Chemical | ChemComp-R16 / #6: Chemical | ChemComp-CD / #7: Chemical | ChemComp-LNK / | #8: Chemical | ChemComp-D12 / | |
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-Details
Has ligand of interest | N |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 3.76 Å3/Da / Density % sol: 67.27 % |
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Crystal grow | Temperature: 277 K / Method: vapor diffusion, hanging drop / pH: 8 Details: 22-25% PEG400, 100mM HEPES pH=8.0, 1mM CdCl2, 200mM KCl |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Jan 18, 2018 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.0332 Å / Relative weight: 1 |
Reflection | Resolution: 3.4→46.35 Å / Num. obs: 13909 / % possible obs: 94.1 % / Redundancy: 3.9 % / Rmerge(I) obs: 0.115 / Net I/σ(I): 4.3 |
Reflection shell | Resolution: 3.4→3.67 Å / Num. unique obs: 2835 / CC1/2: 0.158 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 6cq6 Resolution: 3.4→14.99 Å / Cor.coef. Fo:Fc: 0.927 / Cor.coef. Fo:Fc free: 0.898 / Cross valid method: THROUGHOUT / SU Rfree Blow DPI: 0.517
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Displacement parameters | Biso mean: 158.81 Å2
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Refine analyze | Luzzati coordinate error obs: 0.72 Å | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 3.4→14.99 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 3.4→3.43 Å
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Refinement TLS params. | Method: refined / Refine-ID: X-RAY DIFFRACTION
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Refinement TLS group |
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