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Open data
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Basic information
Entry | Database: PDB / ID: 2wlj | ||||||
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Title | Potassium channel from Magnetospirillum magnetotacticum | ||||||
![]() | POTASSIUM CHANNEL | ||||||
![]() | METAL TRANSPORT | ||||||
Function / homology | ![]() inward rectifier potassium channel activity / regulation of monoatomic ion transmembrane transport / monoatomic ion channel complex / potassium ion import across plasma membrane / identical protein binding / plasma membrane Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Clarke, O.B. / Caputo, A.T. / Smith, B.J. / Gulbis, J.M. | ||||||
![]() | ![]() Title: Two Intermediate Gating State Crystal Structures of the Kirbac3.1 K+ Channel Authors: Gulbis, J.M. / Kuo, A. / Smith, B. / Doyle, D.A. / Edwards, A. / Arrowsmith, C. / Sundstrom, M. | ||||||
History |
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Remark 0 | THIS ENTRY 2WLJ REFLECTS AN ALTERNATIVE MODELING OF THE ORIGINAL STRUCTURAL DATA (R1XL4SF) ...THIS ENTRY 2WLJ REFLECTS AN ALTERNATIVE MODELING OF THE ORIGINAL STRUCTURAL DATA (R1XL4SF) DETERMINED BY AUTHORS OF THE PDB ENTRY 1XL4: J.M.GULBIS,A.KUO,B.SMITH,D.A.DOYLE,A.EDWARDS,C.ARROWSMITH, M.SUNDSTROM | ||||||
Remark 700 | SHEET THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN ORDER TO REPRESENT THIS FEATURE IN ... SHEET THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW, TWO SHEETS ARE DEFINED. |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 243.5 KB | Display | ![]() |
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PDB format | ![]() | 200 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 453.3 KB | Display | ![]() |
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Full document | ![]() | 469.2 KB | Display | |
Data in XML | ![]() | 26 KB | Display | |
Data in CIF | ![]() | 35.9 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 2wlhC ![]() 2wliC ![]() 2wlkC ![]() 2wllC ![]() 2wlmC ![]() 2wlnC ![]() 2wloC ![]() 2x6aC ![]() 2x6bC ![]() 2x6cC ![]() 1p7bS 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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1 | ![]()
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Unit cell |
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Components on special symmetry positions |
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Components
-Protein , 1 types, 2 molecules AB
#1: Protein | Mass: 33782.766 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Details: C-TERMINAL HEXAHISTIDINE TAG APPENDED Source: (gene. exp.) ![]() Production host: ![]() ![]() |
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-Non-polymers , 5 types, 180 molecules ![](data/chem/img/K.gif)
![](data/chem/img/CL.gif)
![](data/chem/img/SPM.gif)
![](data/chem/img/CA.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/CL.gif)
![](data/chem/img/SPM.gif)
![](data/chem/img/CA.gif)
![](data/chem/img/HOH.gif)
#2: Chemical | #3: Chemical | #4: Chemical | ChemComp-SPM / | #5: Chemical | ChemComp-CA / | #6: Water | ChemComp-HOH / | |
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-Details
Sequence details | RESIDUES 5-295 CORRESPOND |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 3.8 Å3/Da / Density % sol: 65 % / Description: AUTHOR USED THE SF DATA FROM ENTRY 1XL4. |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, sitting drop / pH: 7.6 Details: 90MM HEPES, 2.5% PEG 8000, 2.5% PEG 4000, 20% PEG 400, 12.5MM MAGNESIUM CHLORIDE, 42.5MM MAGNESIUM ACETATE, 2.5% GLYCEROL, 14MM HEGA-10, PH 7.6, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K |
-Data collection
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
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Radiation wavelength | Relative weight: 1 |
Reflection | Resolution: 2.6→26 Å / Num. obs: 29551 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 1P7B Resolution: 2.6→15 Å / Cor.coef. Fo:Fc: 0.931 / Cor.coef. Fo:Fc free: 0.928 / SU B: 17.526 / SU ML: 0.179 / Cross valid method: THROUGHOUT / ESU R: 0.42 / ESU R Free: 0.27 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. ATOM RECORD CONTAINS RESIDUAL B FACTORS ONLY. THIS ENTRY IS A RE-REFINEMENT OF PDB ENTRY 1XL4. IMPROVED REFINEMENT STATISTICS WERE OBTAINED ...Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. ATOM RECORD CONTAINS RESIDUAL B FACTORS ONLY. THIS ENTRY IS A RE-REFINEMENT OF PDB ENTRY 1XL4. IMPROVED REFINEMENT STATISTICS WERE OBTAINED AND AN ADDITIONAL LIGAND (SPERMINE) MODELLED. STRUCTURE WAS INITIALLY REFINED IN PHENIX, THEN TRANSFERRED TO REFMAC. ANY ANISOTROPIC THERMAL PARAMETERS WERE CALCULATED BY PHENIX FROM THE TLS PARAMETERS, AND WERE NOT REFINED EXPLICITLY.
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Solvent computation | Ion probe radii: 1 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 78.133 Å2
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Refinement step | Cycle: LAST / Resolution: 2.6→15 Å
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Refine LS restraints |
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