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Open data
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Basic information
Entry | Database: PDB / ID: 6ehq | |||||||||
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Title | E. coli Hydrogenase-2 (as isolated form). | |||||||||
![]() | (Hydrogenase-2 ...) x 2 | |||||||||
![]() | OXIDOREDUCTASE / NiFe Hydrogenase / membrane protein / hydrogen oxidation | |||||||||
Function / homology | ![]() hydrogenase (acceptor) / [Ni-Fe] hydrogenase complex / ferredoxin hydrogenase complex / hydrogenase (acceptor) activity / ferredoxin hydrogenase activity / anaerobic respiration / 3 iron, 4 sulfur cluster binding / iron-sulfur cluster binding / nickel cation binding / 4 iron, 4 sulfur cluster binding ...hydrogenase (acceptor) / [Ni-Fe] hydrogenase complex / ferredoxin hydrogenase complex / hydrogenase (acceptor) activity / ferredoxin hydrogenase activity / anaerobic respiration / 3 iron, 4 sulfur cluster binding / iron-sulfur cluster binding / nickel cation binding / 4 iron, 4 sulfur cluster binding / periplasmic space / electron transfer activity / membrane / metal ion binding / plasma membrane Similarity search - Function | |||||||||
Biological species | ![]() ![]() | |||||||||
Method | ![]() ![]() ![]() | |||||||||
![]() | Carr, S.B. / Beaton, S.E. / Evans, R.M. / Armstrong, F.A. | |||||||||
Funding support | ![]()
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![]() | ![]() Title: The structure of hydrogenase-2 fromEscherichia coli: implications for H2-driven proton pumping. Authors: Beaton, S.E. / Evans, R.M. / Finney, A.J. / Lamont, C.M. / Armstrong, F.A. / Sargent, F. / Carr, S.B. | |||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 627.2 KB | Display | ![]() |
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PDB format | ![]() | 510.9 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 479.2 KB | Display | ![]() |
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Full document | ![]() | 480.6 KB | Display | |
Data in XML | ![]() | 57.2 KB | Display | |
Data in CIF | ![]() | 82.9 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 6ehsC ![]() 6en9C ![]() 5a4mS S: Starting model for refinement C: citing same article ( |
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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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Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments:
NCS ensembles :
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Components
-Hydrogenase-2 ... , 2 types, 4 molecules STLM
#1: Protein | Mass: 32631.807 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() #2: Protein | Mass: 61032.164 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() Strain: K12 / Gene: hybC, b2994, JW2962 / Production host: ![]() ![]() |
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-Non-polymers , 6 types, 537 molecules ![](data/chem/img/SF4.gif)
![](data/chem/img/F3S.gif)
![](data/chem/img/FCO.gif)
![](data/chem/img/NI.gif)
![](data/chem/img/MG.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/F3S.gif)
![](data/chem/img/FCO.gif)
![](data/chem/img/NI.gif)
![](data/chem/img/MG.gif)
![](data/chem/img/HOH.gif)
#3: Chemical | ChemComp-SF4 / #4: Chemical | #5: Chemical | #6: Chemical | #7: Chemical | #8: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.19 Å3/Da / Density % sol: 43.96 % / Description: Rods |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, sitting drop / pH: 5.5 Details: 100 mM Bis-tris pH 5.5 200 mM MgCl2 18-22% PEG 3350 PH range: 5.5-5.9 |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Nov 11, 2016 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.976 Å / Relative weight: 1 |
Reflection | Resolution: 2.2→86 Å / Num. obs: 93703 / % possible obs: 95.8 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 6.5 % / CC1/2: 0.978 / Rmerge(I) obs: 0.19 / Rpim(I) all: 0.12 / Net I/σ(I): 6.4 |
Reflection shell | Resolution: 2.2→2.24 Å / Redundancy: 6.2 % / Rmerge(I) obs: 0.98 / Mean I/σ(I) obs: 1.7 / Num. unique obs: 4242 / CC1/2: 0.68 / Rpim(I) all: 0.63 / % possible all: 95.5 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 5A4M Resolution: 2.2→86 Å / Cor.coef. Fo:Fc: 0.961 / Cor.coef. Fo:Fc free: 0.95 / SU B: 11.05 / SU ML: 0.133 / Cross valid method: THROUGHOUT / ESU R: 0.256 / ESU R Free: 0.173 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 29.825 Å2
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Refinement step | Cycle: 1 / Resolution: 2.2→86 Å
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Refine LS restraints |
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