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- PDB-1h2r: THREE-DIMENSIONAL STRUCTURE OF NI-FE HYDROGENASE FROM DESULFIVIBR... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1h2r | ||||||
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Title | THREE-DIMENSIONAL STRUCTURE OF NI-FE HYDROGENASE FROM DESULFIVIBRIO VULGARIS MIYAZAKI F IN THE REDUCED FORM AT 1.4 A RESOLUTION | ||||||
![]() | (PROTEIN (PERIPLASMIC [NIFE] HYDROGENASE ...) x 2 | ||||||
![]() | OXIDOREDUCTASE / HIGH RESOLUTION CRYSTAL STRUCTURE / SULFUR-BRIDGING LIGAND / NI-FE HYDROGENASE / REDUCED ENZYME / ATOMIC CAP AT ACTIVE SITE | ||||||
Function / homology | ![]() cytochrome-c3 hydrogenase / cytochrome-c3 hydrogenase activity / [Ni-Fe] hydrogenase complex / ferredoxin hydrogenase complex / ferredoxin hydrogenase activity / anaerobic respiration / 3 iron, 4 sulfur cluster binding / nickel cation binding / 4 iron, 4 sulfur cluster binding / periplasmic space ...cytochrome-c3 hydrogenase / cytochrome-c3 hydrogenase activity / [Ni-Fe] hydrogenase complex / ferredoxin hydrogenase complex / ferredoxin hydrogenase activity / anaerobic respiration / 3 iron, 4 sulfur cluster binding / nickel cation binding / 4 iron, 4 sulfur cluster binding / periplasmic space / electron transfer activity / membrane / metal ion binding Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Higuchi, Y. / Ogata, H. | ||||||
![]() | ![]() Title: Removal of the bridging ligand atom at the Ni-Fe active site of [NiFe] hydrogenase upon reduction with H2, as revealed by X-ray structure analysis at 1.4 A resolution. Authors: Higuchi, Y. / Ogata, H. / Miki, K. / Yasuoka, N. / Yagi, T. #1: ![]() Title: Liberation of Hydrogen Sulfide During the Catalytic Action of Desulfoviborio Hydrogenase Under the Atmosphere of Hydrogen Authors: Higuchi, Y. / Yagi, T. #2: ![]() Title: Unusual Ligand Structure in Ni-Fe Active Center and an Additional Mg Site in Hydrogenase Revealed by High Resolution X-Ray Structure Analysis Authors: Higuchi, Y. / Yagi, T. / Yasuoka, N. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 182.5 KB | Display | ![]() |
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PDB format | ![]() | 141.5 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 424.5 KB | Display | ![]() |
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Full document | ![]() | 454 KB | Display | |
Data in XML | ![]() | 21.2 KB | Display | |
Data in CIF | ![]() | 34.1 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1h2aS 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 (PERIPLASMIC [NIFE] HYDROGENASE ... , 2 types, 2 molecules SL
#1: Protein | Mass: 28789.746 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Cellular location: PERIPLASMIC MEMBRANE / Species: Desulfovibrio vulgaris / Strain: MIYAZAKI F / References: UniProt: P21853, cytochrome-c3 hydrogenase |
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#2: Protein | Mass: 59179.289 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Cellular location: PERIPLASMIC MEMBRANE / Species: Desulfovibrio vulgaris / Strain: MIYAZAKI F / References: UniProt: P21852, cytochrome-c3 hydrogenase |
-Non-polymers , 5 types, 582 molecules ![](data/chem/img/SF4.gif)
![](data/chem/img/F3S.gif)
![](data/chem/img/MG.gif)
![](data/chem/img/NFE.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/F3S.gif)
![](data/chem/img/MG.gif)
![](data/chem/img/NFE.gif)
![](data/chem/img/HOH.gif)
#3: Chemical | #4: Chemical | ChemComp-F3S / | #5: Chemical | ChemComp-MG / | #6: Chemical | ChemComp-NFE / | #7: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.4 Å3/Da / Density % sol: 49 % | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Crystal grow | pH: 7 / Details: 45% MPD, pH 7.0 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS pH: 7.4 / Method: microdialysis / Details: Higuchi, Y., (1987) J.Biol.Chem., 262, 2823. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 280 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Detector: IMAGE PLATE |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.708 Å / Relative weight: 1 |
Reflection | Resolution: 1.4→20 Å / Num. obs: 155198 / % possible obs: 91.6 % / Observed criterion σ(I): 0 / Redundancy: 9.4 % / Rmerge(I) obs: 0.048 / Rsym value: 0.036 |
Reflection shell | Resolution: 1.4→1.46 Å / Rmerge(I) obs: 0.38 / Rsym value: 0.3 / % possible all: 85.1 |
Reflection | *PLUS Num. measured all: 1453748 |
Reflection shell | *PLUS % possible obs: 85.8 % / Rmerge(I) obs: 0.38 |
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Processing
Software |
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Refinement | Method to determine structure: D-FOURIER Starting model: 1H2A Resolution: 1.4→6 Å / σ(F): 1
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Displacement parameters | Biso mean: 17.8 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine analyze | Luzzati coordinate error obs: 0.2 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.4→6 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.4→1.46 Å / Total num. of bins used: 8
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Software | *PLUS Name: ![]() | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS Highest resolution: 1.4 Å / Lowest resolution: 6 Å / σ(F): 1 / % reflection Rfree: 7 % | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS Biso mean: 17.8 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
LS refinement shell | *PLUS Rfactor Rfree: 0.313 / % reflection Rfree: 7 % / Rfactor Rwork: 0.306 / Rfactor obs: 0.306 |