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- PDB-1kbi: Crystallographic Study of the Recombinant Flavin-binding Domain o... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1kbi | |||||||||
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Title | Crystallographic Study of the Recombinant Flavin-binding Domain of Baker's Yeast Flavocytochrome b2: Comparison with the Intact Wild-type Enzyme | |||||||||
![]() | CYTOCHROME B2 | |||||||||
![]() | OXIDOREDUCTASE / Flavocytochrome b2 / electron transfer | |||||||||
Function / homology | ![]() L-lactate dehydrogenase (cytochrome) / L-lactate dehydrogenase (cytochrome) activity / lactate metabolic process / : / mitochondrial intermembrane space / mitochondrial inner membrane / heme binding / mitochondrion / nucleus / metal ion binding / cytosol Similarity search - Function | |||||||||
Biological species | ![]() ![]() | |||||||||
Method | ![]() | |||||||||
![]() | Cunane, L.M. / Barton, J.D. / Chen, Z.-W. / Welsh, F.E. / Chapman, S.K. / Reid, G.A. / Mathews, F.S. | |||||||||
![]() | ![]() Title: Crystallographic study of the recombinant flavin-binding domain of Baker's yeast flavocytochrome b(2): comparison with the intact wild-type enzyme. Authors: Cunane, L.M. / Barton, J.D. / Chen, Z.W. / Welsh, F.E. / Chapman, S.K. / Reid, G.A. / Mathews, F.S. #1: ![]() Title: Molecular Structure of Flavocytochrome b2 at 2.4 A Resolution Authors: Xia, Z.X. / Mathews, F.S. #2: ![]() Title: Isolation and Characterization of the Flavin-binding Domain of Flavocytochrome b2 Expressed Independently in Escherichia coli Authors: Blame, A. / Brunt, C.E. / Pallister, R.L. / Chapman, S.K. / Reid, G.A. | |||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 210.3 KB | Display | ![]() |
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PDB format | ![]() | 165.3 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1.4 MB | Display | ![]() |
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Full document | ![]() | 1.4 MB | Display | |
Data in XML | ![]() | 43.2 KB | Display | |
Data in CIF | ![]() | 62.1 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1kbjC ![]() 1fcbS 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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1 | ![]()
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Unit cell |
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Components on special symmetry positions |
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Details | The enzyme is a homotetramer. |
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Components
-Protein , 1 types, 2 molecules AB
#1: Protein | Mass: 56663.898 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() Production host: ![]() ![]() References: UniProt: P00175, L-lactate dehydrogenase (cytochrome) |
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-Non-polymers , 6 types, 628 molecules ![](data/chem/img/HEM.gif)
![](data/chem/img/FMN.gif)
![](data/chem/img/MPD.gif)
![](data/chem/img/PO4.gif)
![](data/chem/img/PYR.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/FMN.gif)
![](data/chem/img/MPD.gif)
![](data/chem/img/PO4.gif)
![](data/chem/img/PYR.gif)
![](data/chem/img/HOH.gif)
#2: Chemical | ChemComp-HEM / | ||||||||
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#3: Chemical | #4: Chemical | ChemComp-MPD / ( #5: Chemical | ChemComp-PO4 / | #6: Chemical | ChemComp-PYR / | #7: Water | ChemComp-HOH / | |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 3.83 Å3/Da / Density % sol: 67.87 % | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Crystal grow | Temperature: 277 K / Method: microdialysis / pH: 7.2 Details: phosphate buffer, D,L-lactate, EDTA, MPD, pH 7.2, MICRODIALYSIS, temperature 277K | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS Temperature: 4 ℃ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() |
Detector | Type: RIGAKU RAXIS IV / Detector: IMAGE PLATE / Date: Oct 1, 1997 |
Radiation | Monochromator: GRAPHITE / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 2.3→40 Å / Num. all: 174544 / Num. obs: 157962 / % possible obs: 90.5 % / Observed criterion σ(F): -3 / Observed criterion σ(I): -3 / Redundancy: 2.2 % / Rmerge(I) obs: 0.043 / Net I/σ(I): 25.6 |
Reflection shell | Resolution: 2.3→2.34 Å / Redundancy: 1.6 % / Rmerge(I) obs: 0.21 / Mean I/σ(I) obs: 4.8 / % possible all: 73.7 |
Reflection | *PLUS Highest resolution: 2.3 Å / Lowest resolution: 40 Å / Num. obs: 65248 / Num. measured all: 157962 / Rmerge(I) obs: 0.043 |
Reflection shell | *PLUS Highest resolution: 2.3 Å / % possible obs: 73.7 % / Rmerge(I) obs: 0.207 |
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Processing
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Refinement | Starting model: PDB ENTRY 1FCB Resolution: 2.3→30 Å / Isotropic thermal model: Isotropic / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / Stereochemistry target values: Engh & Huber
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Displacement parameters | Biso mean: 36 Å2 | ||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.3→30 Å
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Refine LS restraints |
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LS refinement shell |
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Refinement | *PLUS % reflection Rfree: 10 % / Rfactor obs: 0.17 / Rfactor Rfree: 0.211 / Rfactor Rwork: 0.17 | ||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||||||||
LS refinement shell | *PLUS Rfactor Rfree: 0.277 / Rfactor Rwork: 0.228 |